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Puccinia stem Stock Photos and Images
RMEBX0D5–common barberry, European barberry (Berberis vulgaris), leaves with Puccinia graminis, stem rusts, Germany, North Rhine-Westphalia
RFEYWMBJ–Uredium, the spore creating body, of the rust fungus Puccinia urticata on the stem of a Common Stinging Nettle (Urtica dioca).
RF2WPD8TB–A member of the wood-sorrel family, Oxildaceae, this oxalis shows sign of oxalis rust, a Puccinia fungus.
RFT602R7–An image of Stem Rust, It also known as puccinia graminis. The stem, black and cereal rusts are caused by the fungus puccinia graminis, vintage line d
RM2AJ6PCB–Fungous diseases of plants . ck Rust 419 xil CONTENTS Chafter Page XIV. PROTOBASiDiOiMYCETES {Continued) XIX. Puccinia: Other Species 420 XX. Gymnosporangium 422 XXI. Cedar Apples and Apple Rust 425 XXII. Gymnosporangium: Other Species 426 XXIII. Orange Rust of Raspberry and Blackberry . . 427 XXIV. Rust of Roses 430 XXV. Rust of Rhododendron and Norway Spruce . . 432 XXVI. The European Currant Rust 433 XXVII. Orange Rust of Aster and Golden-rod 435 XXVIII. Rust of Poplar 437 XV. AUTOBASIDIOMYCETES 439 I. Exobasidiales 439 II. Gall of Heaths 440 III. Hymenomycetales 441 IV. A Root and Stem Rot
RFCEGGCP–Diseases of plants. Publication of the book 'Meyers Konversations-Lexikon', Volume 7, Leipzig, Germany, 1910
![. Photomicrographs of botanical studies. Photomicrography. 14 Pliotoinicrograplis of Botanical Studies. 7- T.S. Stem of Wheat, " Triticum." Attacked by teleutospores of puccinia graminis.. Teleutospores. Alycelium of fungus. Disorganised tissue of Stem. Vascular bundle in normal condition. 8. T.S. Leaf of Berbery. Attacked by aecidiaspores of puccinia graminis. 4 -'^-^ -^ Fully-developed acidium. ^i-' )'^-f',' ' T, ', j-.-'!#r" Mycelium of fungus. I v'' ;â ' <-"''*ff : â ' 'JSi- â Disorganised tissue of leaf. Spermogone of unlinown function.. Please note that thes Stock Photo](https://c8.alamy.com/comp/PG029B/photomicrographs-of-botanical-studies-photomicrography-14-pliotoinicrograplis-of-botanical-studies-7-ts-stem-of-wheat-quot-triticumquot-attacked-by-teleutospores-of-puccinia-graminis-teleutospores-alycelium-of-fungus-disorganised-tissue-of-stem-vascular-bundle-in-normal-condition-8-ts-leaf-of-berbery-attacked-by-aecidiaspores-of-puccinia-graminis-4-fully-developed-acidium-i-f-t-j-!rquot-mycelium-of-fungus-i-v-lt-quotff-jsi-disorganised-tissue-of-leaf-spermogone-of-unlinown-function-please-note-that-thes-PG029B.jpg ". Photomicrographs of botanical studies. Photomicrography. 14 Pliotoinicrograplis of Botanical Studies. 7- T.S. Stem of Wheat, " Triticum." Attacked by teleutospores of puccinia graminis.. Teleutospores. Alycelium of fungus. Disorganised tissue of Stem. Vascular bundle in normal condition. 8. T.S. Leaf of Berbery. Attacked by aecidiaspores of puccinia graminis. 4 -'^-^ -^ Fully-developed acidium. ^i-' )'^-f',' ' T, ', j-.-'!#r" Mycelium of fungus. I v'' ;â ' <-"''*ff : â ' 'JSi- â Disorganised tissue of leaf. Spermogone of unlinown function.. Please note that thes Stock Photo")
RMPG029B–. Photomicrographs of botanical studies. Photomicrography. 14 Pliotoinicrograplis of Botanical Studies. 7- T.S. Stem of Wheat, " Triticum." Attacked by teleutospores of puccinia graminis.. Teleutospores. Alycelium of fungus. Disorganised tissue of Stem. Vascular bundle in normal condition. 8. T.S. Leaf of Berbery. Attacked by aecidiaspores of puccinia graminis. 4 -'^-^ -^ Fully-developed acidium. ^i-' )'^-f',' ' T, ', j-.-'!#r" Mycelium of fungus. I v'' ;â ' <-"''*ff : â ' 'JSi- â Disorganised tissue of leaf. Spermogone of unlinown function.. Please note that thes
![. % ^ ^^ '4 1 P" % f **^ Fig. 25.—Eust of endive leaves. pustules of a rust fungus, Puccinia hieracii (^g. 25). Crops are some- times ruined. No practical treatment for this disease has been suggested. GARLIC^2 Nematode.—When this pest is present, the plants are stunted and killed and the bulbs decompose in certain spots in the field. These areas gradually increase in size as the nematode spreads. This is a strain of the same species—Ditylenchus dipsaci—as the bulb or stem nematode (p. 94). The variety of garlic called "Late" is much more susceptible than the "Early" v Stock Photo](https://c8.alamy.com/comp/MCKWF5/4-1-pquot-f-fig-25eust-of-endive-leaves-pustules-of-a-rust-fungus-puccinia-hieracii-g-25-crops-are-some-times-ruined-no-practical-treatment-for-this-disease-has-been-suggested-garlic2-nematodewhen-this-pest-is-present-the-plants-are-stunted-and-killed-and-the-bulbs-decompose-in-certain-spots-in-the-field-these-areas-gradually-increase-in-size-as-the-nematode-spreads-this-is-a-strain-of-the-same-speciesditylenchus-dipsacias-the-bulb-or-stem-nematode-p-94-the-variety-of-garlic-called-quotlatequot-is-much-more-susceptible-than-the-quotearlyquot-v-MCKWF5.jpg ". % ^ ^^ '4 1 P" % f **^ Fig. 25.—Eust of endive leaves. pustules of a rust fungus, Puccinia hieracii (^g. 25). Crops are some- times ruined. No practical treatment for this disease has been suggested. GARLIC^2 Nematode.—When this pest is present, the plants are stunted and killed and the bulbs decompose in certain spots in the field. These areas gradually increase in size as the nematode spreads. This is a strain of the same species—Ditylenchus dipsaci—as the bulb or stem nematode (p. 94). The variety of garlic called "Late" is much more susceptible than the "Early" v Stock Photo")
RMMCKWF5–. % ^ ^^ '4 1 P" % f **^ Fig. 25.—Eust of endive leaves. pustules of a rust fungus, Puccinia hieracii (^g. 25). Crops are some- times ruined. No practical treatment for this disease has been suggested. GARLIC^2 Nematode.—When this pest is present, the plants are stunted and killed and the bulbs decompose in certain spots in the field. These areas gradually increase in size as the nematode spreads. This is a strain of the same species—Ditylenchus dipsaci—as the bulb or stem nematode (p. 94). The variety of garlic called "Late" is much more susceptible than the "Early" v
RMT1H73H–Diseases of truck crops Diseases of truck crops / Ralph E. Smith diseasesoftruckc119smit Year: 1940 50 California Agricultural Extension Service [Cir. 119 ENDIVE Cottony Rot.—Endive plants affected with cottony rot wilt and die on account of a rotting of the roots and the stem at the surface of the ground. Sclerotinia sclerotiorum, a white, moldy fungus with black sclerotia, can be seen on the surface. See 'Cottony Mold' (p. 90). Rust.—Affected leaves are blighted and spotted with the dusty spore '4 1 P' f ** Fig. 25.—Eust of endive leaves. pustules of a rust fungus, Puccinia hieraci
![Grevillea . BHETISH XiICHIEMS. i. HEW BRITISH MOSS. No. 23.] [May, 1874. (SttvilUi, A MONTHLY RECORD OF CRYPTOGAMIC BOTANYAND ITS LITERATURE. BRITISH FUNGI. By the Editor.(Continued from Page 139J Puccinia Bistortae,. B.C. Spots none ; sori scattered, minute, numerous, rufous, hypo-phyllous, suborbicular, spores ovoid or oblong, obtuse, rounded,bright brown, stem very short.—De Can., Flor. Fr. v. 61. CordaIcon, iv.,/. 61. Libert. Exs., No. 91. Puccinia vivipara, Grev.,MSS. On leaves of Polygonum viviparum, near Mar Lodge. Aug ,1822 (Dr. Greville). On Polygonum Bistorta, near Liverpool.(11. McL Stock Photo](https://c8.alamy.com/comp/2AX7Y39/grevillea-bhetish-xiichiems-i-hew-british-moss-no-23-may-1874-sttvilui-a-monthly-record-of-cryptogamic-botanyand-its-literature-british-fungi-by-the-editorcontinued-from-page-139j-puccinia-bistortae-bc-spots-none-sori-scattered-minute-numerous-rufous-hypo-phyllous-suborbicular-spores-ovoid-or-oblong-obtuse-roundedbright-brown-stem-very-shortde-can-flor-fr-v-61-cordaicon-iv-61-libert-exs-no-91-puccinia-vivipara-grevmss-on-leaves-of-polygonum-viviparum-near-mar-lodge-aug-1822-dr-greville-on-polygonum-bistorta-near-liverpool11-mcl-2AX7Y39.jpg "Grevillea . BHETISH XiICHIEMS. i. HEW BRITISH MOSS. No. 23.] [May, 1874. (SttvilUi, A MONTHLY RECORD OF CRYPTOGAMIC BOTANYAND ITS LITERATURE. BRITISH FUNGI. By the Editor.(Continued from Page 139J Puccinia Bistortae,. B.C. Spots none ; sori scattered, minute, numerous, rufous, hypo-phyllous, suborbicular, spores ovoid or oblong, obtuse, rounded,bright brown, stem very short.—De Can., Flor. Fr. v. 61. CordaIcon, iv.,/. 61. Libert. Exs., No. 91. Puccinia vivipara, Grev.,MSS. On leaves of Polygonum viviparum, near Mar Lodge. Aug ,1822 (Dr. Greville). On Polygonum Bistorta, near Liverpool.(11. McL Stock Photo")
RM2AX7Y39–Grevillea . BHETISH XiICHIEMS. i. HEW BRITISH MOSS. No. 23.] [May, 1874. (SttvilUi, A MONTHLY RECORD OF CRYPTOGAMIC BOTANYAND ITS LITERATURE. BRITISH FUNGI. By the Editor.(Continued from Page 139J Puccinia Bistortae,. B.C. Spots none ; sori scattered, minute, numerous, rufous, hypo-phyllous, suborbicular, spores ovoid or oblong, obtuse, rounded,bright brown, stem very short.—De Can., Flor. Fr. v. 61. CordaIcon, iv.,/. 61. Libert. Exs., No. 91. Puccinia vivipara, Grev.,MSS. On leaves of Polygonum viviparum, near Mar Lodge. Aug ,1822 (Dr. Greville). On Polygonum Bistorta, near Liverpool.(11. McL
RMPG4EWD–. Minnesota plant diseases. Plant diseases. 2 88 Minnesota Plant Diseases. tion the mycelium rapidly drains away the nourishment which should go to the heads and allows of an uncontrollable evapora- tion of water through the broken skins; as a result the berries •do not fill but remain shriveled. Such wheat therefore, even if not entirely ruined, suffers a loss of grade.. ViG. 144.—Cluster-cups of the crown rust of wheat (Puccinia coronata), on swollen cushions of the stem of the alder-leaved buckthorn. Photograph by Arthur and Holway. It is also known that in states south of Minnesota the sum
![. I'iG. 87.—Puccinia asparagi. 1, aecidium stage on a young shoot of asparagus ; 2, teleutospore stage on a summer plant; 3, aecidiospores; 4, uredospores; 5, teleutospores. l*"ig- 2 reduced, remainder variously mag. bright orange spores. The pustules of summer-spores and winter-spores develop at a later stage, and arc mostly con- fined to the leaves, where they appear under the form of minute brown or blackish pustules which soon become powdery. I. Forming large orange patches on stem and leaves. Spores subglobose, minutely warted, pale yellow, 35-45 X 18-25 /i. II. Small brown pustules Stock Photo](https://c8.alamy.com/comp/MCKCBJ/iig-87puccinia-asparagi-1-aecidium-stage-on-a-young-shoot-of-asparagus-2-teleutospore-stage-on-a-summer-plant-3-aecidiospores-4-uredospores-5-teleutospores-lquotig-2-reduced-remainder-variously-mag-bright-orange-spores-the-pustules-of-summer-spores-and-winter-spores-develop-at-a-later-stage-and-arc-mostly-con-fined-to-the-leaves-where-they-appear-under-the-form-of-minute-brown-or-blackish-pustules-which-soon-become-powdery-i-forming-large-orange-patches-on-stem-and-leaves-spores-subglobose-minutely-warted-pale-yellow-35-45-x-18-25-i-ii-small-brown-pustules-MCKCBJ.jpg ". I'iG. 87.—Puccinia asparagi. 1, aecidium stage on a young shoot of asparagus ; 2, teleutospore stage on a summer plant; 3, aecidiospores; 4, uredospores; 5, teleutospores. l*"ig- 2 reduced, remainder variously mag. bright orange spores. The pustules of summer-spores and winter-spores develop at a later stage, and arc mostly con- fined to the leaves, where they appear under the form of minute brown or blackish pustules which soon become powdery. I. Forming large orange patches on stem and leaves. Spores subglobose, minutely warted, pale yellow, 35-45 X 18-25 /i. II. Small brown pustules Stock Photo")
RMMCKCBJ–. I'iG. 87.—Puccinia asparagi. 1, aecidium stage on a young shoot of asparagus ; 2, teleutospore stage on a summer plant; 3, aecidiospores; 4, uredospores; 5, teleutospores. l*"ig- 2 reduced, remainder variously mag. bright orange spores. The pustules of summer-spores and winter-spores develop at a later stage, and arc mostly con- fined to the leaves, where they appear under the form of minute brown or blackish pustules which soon become powdery. I. Forming large orange patches on stem and leaves. Spores subglobose, minutely warted, pale yellow, 35-45 X 18-25 /i. II. Small brown pustules
![Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] PUCCINIA 311 I as in other instances, one attack implies immunity in the j future. i ! Pink rust {Puccinia arenariae, Wint.) often causes injury j to cultivated pinks and carnations. It forms small blackish spots arranged in irregular circles on the leaves and stem. H', ; . .••.♦. ... ..V -- Fig. 91.—Puccinia malvacearum. Hollyhock leaf showing pustules of fungus ; 2, teleutospores, one germinating. Highly mag. Teleutospores only are present. These are fusoid or clavate, apex Stock Photo](https://c8.alamy.com/comp/T1HPK3/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-puccinia-311-i-as-in-other-instances-one-attack-implies-immunity-in-the-j-future-i-!-pink-rust-puccinia-arenariae-wint-often-causes-injury-j-to-cultivated-pinks-and-carnations-it-forms-small-blackish-spots-arranged-in-irregular-circles-on-the-leaves-and-stem-h-v-fig-91puccinia-malvacearum-hollyhock-leaf-showing-pustules-of-fungus-2-teleutospores-one-germinating-highly-mag-teleutospores-only-are-present-these-are-fusoid-or-clavate-apex-T1HPK3.jpg "Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] PUCCINIA 311 I as in other instances, one attack implies immunity in the j future. i ! Pink rust {Puccinia arenariae, Wint.) often causes injury j to cultivated pinks and carnations. It forms small blackish spots arranged in irregular circles on the leaves and stem. H', ; . .••.♦. ... ..V -- Fig. 91.—Puccinia malvacearum. Hollyhock leaf showing pustules of fungus ; 2, teleutospores, one germinating. Highly mag. Teleutospores only are present. These are fusoid or clavate, apex Stock Photo")
RMT1HPK3–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] PUCCINIA 311 I as in other instances, one attack implies immunity in the j future. i ! Pink rust {Puccinia arenariae, Wint.) often causes injury j to cultivated pinks and carnations. It forms small blackish spots arranged in irregular circles on the leaves and stem. H', ; . .••.♦. ... ..V -- Fig. 91.—Puccinia malvacearum. Hollyhock leaf showing pustules of fungus ; 2, teleutospores, one germinating. Highly mag. Teleutospores only are present. These are fusoid or clavate, apex
RM2C0292W–Garlic or leek rust (Puccinia allii) fungal disease pustules on garlic leaves and stem, Berkshire, June
RM2CDDB2K–. The rusts of Australia, their structure, nature, and classification . R. S.BrojMs GovtPrtnUr. CCBrtideboAkJil D2feAlfii/ie.DirerU, CHRYSANTHEMUM, MARIGOLD, VIOLET, AND DAISY RUSTS. 232 Explanation of Plates. PLATE F. (All Figures nat. size.) PUCCINIA LAGENOPHORAE ON LAGENOPHORA BILLARDIERI. Fig. 27. Aecidia and teleutosori on both surfaces of leaves. PUCCINIA MALVACEARUM on LAVATERA PLEBEIA. 2S. Teleutosori on under surface of leaf and on leaf-stalk. PUCCINIA MORRISONI ON PELARGONIUM AUSTRALE.29. Aecidia, uredo, and teleutosori on under surface of leaf, and teleutosori on stem. PLATE F. CCBr
RMPG4EXF–. Minnesota plant diseases. Plant diseases. 284 Minnesota Plant Diseases. The leaf underneath the spots is abnormally increased in size and distorted in shape. The pycnidia usually accompany the cluster cups and come from the same mycelium', but are gen- erally to be found on the upper surface of the leaf. They are probably male-cell receptacles which have lost their fertilizing- power and are now functionless. They illustrate a persistence of a habit after its usefulness has passed, a by no means uncommon phenomenon in nature.. f ^ ^ 1 Fig. 140.—Stem rust of wheat (Puccinia graminis). A secti
RMMCTP28–. '^O = Occurrence but no loss t. = Trace ⢠0 = ko loss, no occurrence Pig. 13. Lstimated percentage redaction in yield from stripe of barley, 1919- .Stem, rust caused by Puccinia -graminis .Per.s . Stem rust of-bar Ley .caused marj^ed losses in. th e. important barley pro- duction area of the Upper rdssissippi Valley ij:) 1913. ^ â In other sections losses
RM2H1YGCY–Fungi, Puccinia graminis, teleutospores in wheat stem, TS, Darkfield photomicrograph, rust fungus
RMT1GPT1–Diseases of cereal and forage Diseases of cereal and forage crops in the United States in 1921 diseasesofcereal21stak Year: 1922 2l8 OATS - Stem rust Stem rust caused by puccinia graminis Pers. Stem rust evidently was not as generally distributed as crown rust, as will be seen by the accompanying map (Fig. 'jG). Neither did the stem rust cause such great reductions in yield. However, it was quite generally present in the more northern oat-?:,romug states. In the extreme South the stem rust seems to be much less important than the crown rust, while in the northern states, stem rust did the gr
RM2H1YJ20–Fungi, Puccinia graminis, teleutospores in wheat stem, TS, Darkfield photomicrograph, rust fungus
RM2C02927–Garlic or leek rust (Puccinia allii) fungal disease pustules on garlic leaves and stem, Berkshire, June
RM2CDDB5K–. The rusts of Australia, their structure, nature, and classification . !» 5 7 ? His ... r; r CCBrtiLAanJcVA. V M^lpuie.Dwextf RS Brrwv.Gov* Pnxter. CHICORY, PEACH, AND APRICOT RUSTS. 230 Explanation of Plates. PLATE E. (All Figures nat. size.) PUCCINIA CHRYSANTHEMI on CHRYSANTHEMUM.Fig. 21. Uredosori on under surface of leaf. PUCCINIA CALENDULAE ON MARIGOLD (Calendula officinalis). 22. Aecidia and teleutosori on under surface of leaf. 23. Uredo and teleutosori on stem. PUCCINIA HEDERACEAE on NATIVE VIOLETS. 24. Uredo and teleutosori on under surface of leaf of Viola hcderacca. 25. Aecidia on
RMMCK9WH–. Fig. 181.—^ Ergot on Paspalum. After Beal. REDTOP (Agrostis) Black-stem-rust {Puccinia graminis agrostis Erks.). — The rust is identical with that upon wheat and oats, though infection does not readily pass from one host to the other. Smut {Ustilago striceformis (West.) Niessl). — This is the smut described under timothy. It has been known to affect 30 per cent of the plants, and to reduce the seed yield from 300 hundredweight to 70 hundredweight. Anthracnose. See rye. TALL OATGRASS Smut (Ustilago perennans Rostr.). — This smut closely resembles that of oats, though the flower parts are not
RMT1H392–Diseases of cereal and forage Diseases of cereal and forage crops in the United States in 1924 diseasesofcereal40hask Year: 1925 iiS '.'hv-at - St :m mst 4. Tapke, V. F. Effects of the modified hot water treatniont on gemination, grov/th, and yield of wheat. Jour. Agr. Res. 26: 79-97- Apr. 5, IQ24. STEM RUST CAUSED BY PUCCINIA GRAMIKIS PERS. Stem, rust of wheat in the United States in I924 caused very little loss. It was not to be compared in this respect with the season of IPl, 1920, or 1923. North Dakota and V/isconsin, according to reports, had the greatest losses, 3 each case. ' Minnesot
RMJ36FHE–Severe infection black stem rust (Puccinia graminis) on bearded (awned) wheat leaves, stems & ears
RMJ36FH9–Black stem rust, Puccinia graminis f.sp. tritici, infection on durum awned wheat in green ear, Minnesota, USA, July
RM2CDDB3D–. The rusts of Australia, their structure, nature, and classification . !» 5 7 ? His ... r; r CCBrtiLAanJcVA. V M^lpuie.Dwextf RS Brrwv.Gov* Pnxter. CHICORY, PEACH, AND APRICOT RUSTS. 230 Explanation of Plates. PLATE E. (All Figures nat. size.) PUCCINIA CHRYSANTHEMI on CHRYSANTHEMUM.Fig. 21. Uredosori on under surface of leaf. PUCCINIA CALENDULAE ON MARIGOLD (Calendula officinalis). 22. Aecidia and teleutosori on under surface of leaf. 23. Uredo and teleutosori on stem. PUCCINIA HEDERACEAE on NATIVE VIOLETS. 24. Uredo and teleutosori on under surface of leaf of Viola hcderacca. 25. Aecidia on
![. Fig- 29. Estimated percentage of loss from stem rust of barley, 1922. Leaf rust caused by Puccinia simplex (Koern.) Erikss. & Henn. Leaf rust of barley was reported to the Survey in I922 from Connecticut, New York, Delaware, Maryland, Virginia, Kentucky, Georgia, Alabama, Louisiana, Indiana, Wisconsin, Iowa, and California. According to G. R. Bisby, the rust was collected for the first time in Manitoba, Summary by E. B. Mains: "The leaf rust of barley is apparently only severe locally. It was found attacking barley fairly heavily at Experiment, Georgia; Blacksburg, Virginia; Lexingt Stock Photo](https://c8.alamy.com/comp/MCRJ3J/fig-29-estimated-percentage-of-loss-from-stem-rust-of-barley-1922-leaf-rust-caused-by-puccinia-simplex-koern-erikss-amp-henn-leaf-rust-of-barley-was-reported-to-the-survey-in-i922-from-connecticut-new-york-delaware-maryland-virginia-kentucky-georgia-alabama-louisiana-indiana-wisconsin-iowa-and-california-according-to-g-r-bisby-the-rust-was-collected-for-the-first-time-in-manitoba-summary-by-e-b-mains-quotthe-leaf-rust-of-barley-is-apparently-only-severe-locally-it-was-found-attacking-barley-fairly-heavily-at-experiment-georgia-blacksburg-virginia-lexingt-MCRJ3J.jpg ". Fig- 29. Estimated percentage of loss from stem rust of barley, 1922. Leaf rust caused by Puccinia simplex (Koern.) Erikss. & Henn. Leaf rust of barley was reported to the Survey in I922 from Connecticut, New York, Delaware, Maryland, Virginia, Kentucky, Georgia, Alabama, Louisiana, Indiana, Wisconsin, Iowa, and California. According to G. R. Bisby, the rust was collected for the first time in Manitoba, Summary by E. B. Mains: "The leaf rust of barley is apparently only severe locally. It was found attacking barley fairly heavily at Experiment, Georgia; Blacksburg, Virginia; Lexingt Stock Photo")
RMMCRJ3J–. Fig- 29. Estimated percentage of loss from stem rust of barley, 1922. Leaf rust caused by Puccinia simplex (Koern.) Erikss. & Henn. Leaf rust of barley was reported to the Survey in I922 from Connecticut, New York, Delaware, Maryland, Virginia, Kentucky, Georgia, Alabama, Louisiana, Indiana, Wisconsin, Iowa, and California. According to G. R. Bisby, the rust was collected for the first time in Manitoba, Summary by E. B. Mains: "The leaf rust of barley is apparently only severe locally. It was found attacking barley fairly heavily at Experiment, Georgia; Blacksburg, Virginia; Lexingt
RMBY1K8B–Powdery mildew (Erysiphe graminis) & brown rust (Puccinia triticina) on leaf of wild brome grass
RM2C4X4FP–Corn, maize or sorghum rust (Puccinia sorghi) fungus disease pustules on maize or corn leaf, Illinois, USA
RM2C4X4FJ–Corn, maize or sorghum rust (Puccinia sorghi) fungus disease pustules on maize or corn leaf, Illinois, USA
RF2WNFB1X–Black stem rust (Puccinia graminis) on stalks of rye (Secale cereale). Fungal disease of cereals.
RM2BMXA4W–Carnation rust (Uromyces dianthi) pustles erupting on Dianthus spp. leaf base and stem, Italy
RM2E5A9BK–Mildew on wheat stem, fungus Puccinia graminis, cereal rust, blue background, photomicrograph
RM2CDDB7P–. The rusts of Australia, their structure, nature, and classification . GCBnttlehar; , D XMpim.ffirezU, OAT, RYE-GRASS, AND BARLEY RUSTS. RSBrain, GoytPnnter 226 Explanation of Plates. PLATE C. {All Figures nat. size.) PUCCINIA BROMIXA ox SOFT BROME (Bromus mollis).Fig-ii. Uredosori on under surface of leaf. 12. Teleutosori on under surface. 13. Teleutosori on stem. PUCCINIA MAYDIS ox MAIZE (Zea mays). 14. Uredosori on under surface of leaf. 15. Teleutosori on young stem. PUCCINIA THUEMENI ox CELERY (Apium graveolens). 16. Uredosori on upper surface of leaf. 17. Uredosori on under surface. PLA
![. I m= Mahonia-. diversif olia Sweet (E. a qui folium Lindl. ) ! x= B. vulgaris L-' â Pig. 25- Occurrence on various hosts of aecia of stem rust (Puccinia t^raminis) as recorded, in the North American Flora. The different hosts are designated by symbols. Stakman comments in part on the question of overwintering as follows (Cereal nourior 12: 24I. July31, 1520): "Stem rust did not over'vinter in the uredinial stage on winter wheat at St- Paul, Minnesota. There is some evidence that it may have overwintered on a plot of v^inter wheat at Kladison, ^Visconsin. The pre- sumptive evidence is st Stock Photo](https://c8.alamy.com/comp/MCTMKG/i-m=-mahonia-diversif-olia-sweet-e-a-qui-folium-lindl-!-x=-b-vulgaris-l-pig-25-occurrence-on-various-hosts-of-aecia-of-stem-rust-puccinia-traminis-as-recorded-in-the-north-american-flora-the-different-hosts-are-designated-by-symbols-stakman-comments-in-part-on-the-question-of-overwintering-as-follows-cereal-nourior-12-24i-july31-1520-quotstem-rust-did-not-overvinter-in-the-uredinial-stage-on-winter-wheat-at-st-paul-minnesota-there-is-some-evidence-that-it-may-have-overwintered-on-a-plot-of-vinter-wheat-at-kladison-visconsin-the-pre-sumptive-evidence-is-st-MCTMKG.jpg ". I m= Mahonia-. diversif olia Sweet (E. a qui folium Lindl. ) ! x= B. vulgaris L-' â Pig. 25- Occurrence on various hosts of aecia of stem rust (Puccinia t^raminis) as recorded, in the North American Flora. The different hosts are designated by symbols. Stakman comments in part on the question of overwintering as follows (Cereal nourior 12: 24I. July31, 1520): "Stem rust did not over'vinter in the uredinial stage on winter wheat at St- Paul, Minnesota. There is some evidence that it may have overwintered on a plot of v^inter wheat at Kladison, ^Visconsin. The pre- sumptive evidence is st Stock Photo")
RMMCTMKG–. I m= Mahonia-. diversif olia Sweet (E. a qui folium Lindl. ) ! x= B. vulgaris L-' â Pig. 25- Occurrence on various hosts of aecia of stem rust (Puccinia t^raminis) as recorded, in the North American Flora. The different hosts are designated by symbols. Stakman comments in part on the question of overwintering as follows (Cereal nourior 12: 24I. July31, 1520): "Stem rust did not over'vinter in the uredinial stage on winter wheat at St- Paul, Minnesota. There is some evidence that it may have overwintered on a plot of v^inter wheat at Kladison, ^Visconsin. The pre- sumptive evidence is st
RF2WNFB2Y–Black stem rust (Puccinia graminis) on stalks of rye (Secale cereale). Fungal disease of cereals.
RMRP85CD–. The American florist : a weekly journal for the trade. Floriculture; Florists. PYCNIDIA OF DARLUCA IN PUSTULES OF CARNA- TION RUST. ornamental plants during the past few years. A leading rust in the flower gar- den is that of the hollyhock (Puccinia malvacearum Mont ) which came into this country in 1890, and spread with remarkable rapiditj' and fatality. It develops upon all parts of the hollyhock, as the leaves, stem and floral parts, caus- ing them all to sicken and die. This rust is a good illustration of those that have only the teleuto form of the spore and the sporidia that grow direc
RMMCTNPB–. Percentages of smut . , . in crop . Seed lot B Seed lot A 85.. 1 55-4 56.7 .82.4 5^.7 79'7 93.2 6.0 0.0 0.0 0.4 9.2 0.2 0.0 a.o 7.G Seed lot B 2,8 0.0 0.0 0.0 5-4 0.0 0.0 0.0 ZL.8 Stem rust caused by Puccinia graminis Pers. Stem rust of,, o^ts. occurred over, a wi.de ra.r^ge ,in I919 as previous years. In a number of states, notably Minnesota, the Dakotas, and Nebraska, the disease caused considerable losses,whi le in many others the .losses from this disease on oats was negligible. On. the accompanying map are'indicated the ocairrence and estimated percentages of reduction in yield in the v
RF2WNFB3B–Black stem rust (Puccinia graminis) on stalks of rye (Secale cereale). Fungal disease of cereals.
![. Insects affecting vegetables [microform]. Légumes; Vegetables; Insect pests; Insectes nuisibles. 38 ! J! Asparagus. Rust (Puccinia asparagi). This disease is very commmi and is familiar to every grower of asparagus. It has three distinct stages. The first is known as the "cluster-cup" stage or the spring form. In this stage the spores are produced in cup-shaped pustules, which are grouped in oval clusters and are orange-yellow when mature. This stage is seldom noticed by asparagus growers. The second or summer stage. Fig. 48. Asparagus Rust. 1, attacked stem showing spore clusters; Stock Photo](https://c8.alamy.com/comp/REN482/insects-affecting-vegetables-microform-lgumes-vegetables-insect-pests-insectes-nuisibles-38-!-j!-asparagus-rust-puccinia-asparagi-this-disease-is-very-commmi-and-is-familiar-to-every-grower-of-asparagus-it-has-three-distinct-stages-the-first-is-known-as-the-quotcluster-cupquot-stage-or-the-spring-form-in-this-stage-the-spores-are-produced-in-cup-shaped-pustules-which-are-grouped-in-oval-clusters-and-are-orange-yellow-when-mature-this-stage-is-seldom-noticed-by-asparagus-growers-the-second-or-summer-stage-fig-48-asparagus-rust-1-attacked-stem-showing-spore-clusters-REN482.jpg ". Insects affecting vegetables [microform]. Légumes; Vegetables; Insect pests; Insectes nuisibles. 38 ! J! Asparagus. Rust (Puccinia asparagi). This disease is very commmi and is familiar to every grower of asparagus. It has three distinct stages. The first is known as the "cluster-cup" stage or the spring form. In this stage the spores are produced in cup-shaped pustules, which are grouped in oval clusters and are orange-yellow when mature. This stage is seldom noticed by asparagus growers. The second or summer stage. Fig. 48. Asparagus Rust. 1, attacked stem showing spore clusters; Stock Photo")
RMREN482–. Insects affecting vegetables [microform]. Légumes; Vegetables; Insect pests; Insectes nuisibles. 38 ! J! Asparagus. Rust (Puccinia asparagi). This disease is very commmi and is familiar to every grower of asparagus. It has three distinct stages. The first is known as the "cluster-cup" stage or the spring form. In this stage the spores are produced in cup-shaped pustules, which are grouped in oval clusters and are orange-yellow when mature. This stage is seldom noticed by asparagus growers. The second or summer stage. Fig. 48. Asparagus Rust. 1, attacked stem showing spore clusters;
RF2WNFB2B–Black stem rust (Puccinia graminis) on stalks of rye (Secale cereale). Fungal disease of cereals.
RMRGW50R–. Bulletin. 1901-13. Agriculture; Agriculture. 1 . Fig. 1.—Teleutospores of Asparagus Rust. Near the Center of the Cut on THE Right is a Uredospore. XI80.. FiQ. 2.—Cluster-Cup Stage of Rust on an Asparagus Stem, x 3. DIFFERENT STAGES OF PUCCINIA ASPARAGI.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off
RF2WNFB1R–Black stem rust (Puccinia graminis) on stalks of rye (Secale cereale). Fungal disease of cereals.
RF2GAXWDJ–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease.
RMRH809A–. Botany of the living plant. Botany; Plants. 434 BOTANY OF THE LIVING PLANT and the aecidium-stage on the common Nettle, causing contorted swellings upon its stem and leaves. Thus the Rust of Wheat is an example of a life-history that is not uncommon.. Fig. 330. Part of shoot of Barberry with leaves attacked by Puccinia graminis which forms yellow cushions, or cluster-cups, on the leaf-blades and stalks. (After Marshall Ward.) Sections through a diseased leaf of wheat in summer reveal the branched and septate hyphae closely packed in the intercellular spaces, and investing the green cells. Th
RF2GAXWER–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease.
RMRH83GF–. Botany; principles and problems. Botany. 298 BOTANY: PRINCIPLES AND PROBLEMS ratus. Whatever its original share in the Hfe cycle may have been, however, it seems now to be entirely functionless. On the lower surface of the barberry leaves are formed cluster-cups or. Fig. 174.—Puccinia graminis, the wheat rust. A, wheat leaf with groups of summer spores (uredospores). B, uredospores (one teleutospore among them). C, germinating uredospore. D, wheat stem with masses of winter spores (tel- eutospores). E, two teleutospores. F, germinating teleutospore, producing a promycelium on which are borne
RF2GAXWE6–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease.
![. Photomicrographs of botanical studies. Photomicrography. 14 Pliotoinicrograplis of Botanical Studies. 7- T.S. Stem of Wheat, " Triticum." Attacked by teleutospores of puccinia graminis.. Teleutospores. Alycelium of fungus. Disorganised tissue of Stem. Vascular bundle in normal condition. 8. T.S. Leaf of Berbery. Attacked by aecidiaspores of puccinia graminis. 4 -'^-^ -^ Fully-developed acidium. ^i-' )'^-f',' ' T, ', j-.-'!#r" Mycelium of fungus. I v'' ;â ' <-"''*ff : â ' 'JSi- â Disorganised tissue of leaf. Spermogone of unlinown function.. Please note that thes Stock Photo](https://c8.alamy.com/comp/RDE812/photomicrographs-of-botanical-studies-photomicrography-14-pliotoinicrograplis-of-botanical-studies-7-ts-stem-of-wheat-quot-triticumquot-attacked-by-teleutospores-of-puccinia-graminis-teleutospores-alycelium-of-fungus-disorganised-tissue-of-stem-vascular-bundle-in-normal-condition-8-ts-leaf-of-berbery-attacked-by-aecidiaspores-of-puccinia-graminis-4-fully-developed-acidium-i-f-t-j-!rquot-mycelium-of-fungus-i-v-lt-quotff-jsi-disorganised-tissue-of-leaf-spermogone-of-unlinown-function-please-note-that-thes-RDE812.jpg ". Photomicrographs of botanical studies. Photomicrography. 14 Pliotoinicrograplis of Botanical Studies. 7- T.S. Stem of Wheat, " Triticum." Attacked by teleutospores of puccinia graminis.. Teleutospores. Alycelium of fungus. Disorganised tissue of Stem. Vascular bundle in normal condition. 8. T.S. Leaf of Berbery. Attacked by aecidiaspores of puccinia graminis. 4 -'^-^ -^ Fully-developed acidium. ^i-' )'^-f',' ' T, ', j-.-'!#r" Mycelium of fungus. I v'' ;â ' <-"''*ff : â ' 'JSi- â Disorganised tissue of leaf. Spermogone of unlinown function.. Please note that thes Stock Photo")
RMRDE812–. Photomicrographs of botanical studies. Photomicrography. 14 Pliotoinicrograplis of Botanical Studies. 7- T.S. Stem of Wheat, " Triticum." Attacked by teleutospores of puccinia graminis.. Teleutospores. Alycelium of fungus. Disorganised tissue of Stem. Vascular bundle in normal condition. 8. T.S. Leaf of Berbery. Attacked by aecidiaspores of puccinia graminis. 4 -'^-^ -^ Fully-developed acidium. ^i-' )'^-f',' ' T, ', j-.-'!#r" Mycelium of fungus. I v'' ;â ' <-"''*ff : â ' 'JSi- â Disorganised tissue of leaf. Spermogone of unlinown function.. Please note that thes
RF2GAXWEE–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease.
RMRDE3E9–. Minnesota plant diseases. Plant diseases. 2 88 Minnesota Plant Diseases. tion the mycelium rapidly drains away the nourishment which should go to the heads and allows of an uncontrollable evapora- tion of water through the broken skins; as a result the berries •do not fill but remain shriveled. Such wheat therefore, even if not entirely ruined, suffers a loss of grade.. ViG. 144.—Cluster-cups of the crown rust of wheat (Puccinia coronata), on swollen cushions of the stem of the alder-leaved buckthorn. Photograph by Arthur and Holway. It is also known that in states south of Minnesota the sum
RF2GAXWDW–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease.
RF2HA77H0–The stem, black, and cereal rusts are caused by the fungus Puccinia graminis and barley powdery mildew or corn mildew caused by Blumeria graminis
RMRDXT60–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. EUTHALIvEPHYTA—EUMYCETES—RUSTS 225. Fig. 62. Some Rusts. A, B. D. E. Puccinia graminis. A. Aecidium or Cluster-cup on Barberry; a aecidium, J spermogonia on upper surface. B. Uredo spores; u one-celled, teleuto- spores two-celled. C. Germination of uredospores showing long tube. D. Connection of stem showing two-celled teleutospores. E. A teleutospore germinating with promycelial tube (p) and sporidia (.sp). JF. Two-celled teleutospo
Search Results for Puccinia stem Stock Photos and Images (127)
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