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Chrysanthemi Stock Photos and Images
RF2RKCBMT–LUANNAN COUNTY, China - November 21, 2018: Farmers check the quality of chrysanthemum chrysanthemi, LUANNAN COUNTY, Hebei Province, China
RMC8BC3M–Trefoil Plant bug (Plagiognathus chrysanthemi: Miridae) on its yarrow (Achillea millefolium) food plant, UK
RMT2THGN–Italy, Campania, Cilento National Park, Masseta and Infreschi Marine protected area, farmland, wheat field, garland chrysanthemum, common poppy
RM2AKRP00–Annual report of the North Carolina Agricultural Experiment Station . 14.—Ascochyta Chrysanthemi Stevens; portion of colony showing many pycnidia;cf. Fig. 13. VARIATION OF FUNGI DUE TO ENVIRONMENT. 61 of agar after the agar first plated had set, did not change the proportion ofthe two types. Nor did sowing in such way that the spores were at thebottom rather than at the top of the agar change results. There was amarked tendency of colonies of both types of the fungus to become moreproductive of large pycnidia where two different colonies approach each other,suggesting that there might be neede
RMPFHBJF–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... . Fig. 125. Monosynamma bohemani (Fallen) Fig. 126. Plagiognathus chrysanthemi (Wolff). 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.. Dansk naturhistorisk forening. København, G. E. C. Gad
RMME6CPM–. Die Gross-Schmetterlinge der Erde : eine systematische Bearbeitung der bis jetzt bekannten Gross-Schmetterlinge . chrysanthemi i chrysanthemi ? calendulae tanaceti i Pars 1. Fauna palaearctica 3.
RMT1HE2H–Diseases of glasshouse plants (1923) Diseases of glasshouse plants diseasesofglassh1923bewl Year: 1923 DISEASES DUE TO FUNGI 109 soon die and hang down the stem. Tiny heaps of spores are produced on the diseased areas on both sides of the leaf. Control is a difficult matter, and infected plants should be destroyed immediately. Spraying with a copper fungicide is recommended as a means of protecting the healthy plants. Powdery Mildew of the Chrysanthemum.—Chrysan- themums grown under glass frequently suffer from this disease, due to Oidium chrysanthemi Robh. The leaves become covered with a w
RF2RKCBKY–LUANNAN COUNTY, China - November 21, 2018: Farmers check the quality of chrysanthemum chrysanthemi, LUANNAN COUNTY, Hebei Province, China
RMT2THFC–Italy, Campania, Cilento National Park, Masseta and Infreschi Marine protected area, farmland, wheat field, garland chrysanthemum, common poppy
RMT2THET–Italy, Campania, Cilento National Park, Masseta and Infreschi Marine protected area, farmland, wheat field, garland chrysanthemum, common poppy
RFDJF9PK–Asparaginase enzyme molecule. Used in leukemia treatment (crisantaspase). Atoms shown as spheres. Coloring: per chain.
RM2AKT4GA–Annual report of the North Carolina Agricultural Experiment Station . nts,2 to agencies other thanlight, probably food, and to resting periods and to mycelial crowding.3 Ascochyta chrysanthemi Stevens. With the fungus in question the fact that the zones are not due to light ortemperature relations is apparent from the fact that they do not coincide withthe fluctuations of these two factors (Fig. 6). In the colony shown, which isthat of a plate culture kept at room temperature, there was daily changefrom warm to cool, light to dark, yet the number of rings does not coin-cide with the number of
RMPFHBJE–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... Fig. 125. Monosynamma bohemani (Fallen) Fig. 126. Plagiognathus chrysanthemi (Wolff). Fig. 127. Plagiognathus arbustorum (Fabricius). 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.. Dansk naturhistorisk forening. København, G. E. C. Gad
RMMCJFJE–. ChRYSANTHEMI M („H.'MELEON. CHRYSANTHEMUMS. ANNUAL VARIETIES. Showy and effective garden favorite, extensively grown for cut flowers. The hardy annuals are summer-flowering border plants ; good for pot culture and quite distinct from the autumn-flowering varieties. 1921 Cliailieleoil. A large flowered new variety. The ground color of the flowers or ray florets is a light coppery-bronze with a bright purplish crimson zone during the flr.st few days, the blackish purple disc being surrounded by a golden-yellow circle; a few days later the coppery-bronze changes into a clear yellow, while the
RMT1HYBN–Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 ORNAMENTAL PLANTS 463 Ascochytose, ray blight (Ascochyta chrysanthemi Stevens). — In this disease, described by Stevens1 as doing consider- able damage in North Caro- lina, the ray flowers are blighted, resulting in im- perfect opening of the buds. Thorough spraying with Bordeaux mixture from the beginning of the season un- til blossoming, accompanied by destruction of infected refuse, has proved a satis- factory treatment. Powdery mildew (Oidium chrysanthemi Rbh. of Ery- siphe cichoracearum DC).
RF2RKCBRJ–LUANNAN COUNTY, China - November 21, 2018: Farmers check the quality of chrysanthemum chrysanthemi, LUANNAN COUNTY, Hebei Province, China
RM2AFRBDD–. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. Mass. (from its occasional place of growth, the ground, terra) a b.Effused, very thin. Hym. cinereous, pallid fawn or lavender-slate-white.Earth, twigs, branches, leaves. 5 in. Resembles pale dull lavender clouds. Peniophora THELEPHORACE/E 419 1881a. P. Chrysanthemi W. G. Sm., Corticium Chrysanthemi Plowr.(from the habitat, base of living chrysanthemum stems) a.Effused, incrusting, indeterminate, uneven from the irregularitiesof the matrix. Sub. filament
RMPG0GA2–. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. Fig. so. Chrysanthemum Diseases. a. Botrytis blossom rot, healthy and diseased (after Spaulding), b. ray blight (after Stevens, F. L.), c. chrysanthemum rust (after Smith. R. E.). d. Urc- dospores of Puccinia chrysanthemi, e. Cylindrosporium fungus, /. Cylindro- sporium blight (e and f after Halsted).. 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
RMMAB5NN–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Pyrethrum 3299. D. Chrysanthemi F. Tassi, Atti R. Accacl. dei Fisiocr. Siena, 4. Ser. VIII. 1896, p. 6. extr. et Rev. mycol. 1896, p. 166, tab. 171, fig. 4. Sacc. et Sydow, Syll. XIV. p. 931. Fruchtgehäuse zerstreut oder weitläufig-herdenweise, erst von der etwas aufgetriebenen Oberhaut bedeckt, dann von der auf- gerissenen umgeben, fast kugelig, am Scheitel durchbohrt, schwarz? ca. 200 u im Durchmesser; Sporen anfänglich hyalin oder schwach gelblich, im Innern körnig, an ziemlich dicken, fast gleichlangen D
RMT3YK1E–Archive image from page 353 of Die Pflanzenfeinde aus der Klasse. Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde diepflanzenfeind00kalt Year: 1874 340 Klasse I. Zweisamenblättrige Pflanzen. 24. Lasioptera Chrysanthemi, Low. Die I.arve dieser Mücke lebl nach Low und eigener Beobachtung im September zwischen den Scheiben- blümchen von Chrysanthemum inodorum und Anlhemis arvensis.
RF2RKCBMP–LUANNAN COUNTY, China - November 21, 2018: Farmers check the quality of chrysanthemum chrysanthemi, LUANNAN COUNTY, Hebei Province, China
RM2AKRR4C–Annual report of the North Carolina Agricultural Experiment Station . Fig. 13.— Ascochyta Chrvsanthenfi Stevens; portion of colony showing few pycnidia; cf.Fig. 14.. Fig. 14.—Ascochyta Chrysanthemi Stevens; portion of colony showing many pycnidia;cf. Fig. 13. VARIATION OF FUNGI DUE TO ENVIRONMENT. 61 of agar after the agar first plated had set, did not change the proportion ofthe two types. Nor did sowing in such way that the spores were at thebottom rather than at the top of the agar change results. There was amarked tendency of colonies of both types of the fungus to become moreproductive of
RMPG45B8–. Diseases of economic plants . Plant diseases. OBNAMENTAL PLANTS 463 Ascochytose, ray blight (Ascochyta chrysanthemi Stevens). — In this disease, described by Stevens' as doing consider- able damage in North Caro- lina, the ray flowers are blighted, resulting in im- perfect opening of the buds. Thorough spraying with Bordeaux mixture from the beginning of the season un- til blossoming, accompanied by destruction of infected refuse, has proved a satis- factory treatment. Powdery mildew (Oidium chrysanthemi Rbh. of Ery- siphe cichoracearum DC). — This mildew occurs as white, flour-like spots up
RM2ANBNBT–A text-book of mycology and plant pathology . Fig. 72.—Hollyhock rust, Puccinia malvacearum. (Nanluckel, August 19, 1915.) Brown Rust of Wheat, Puccinia triticina, with aecia unknown-Dwarf Rust of Barley, Puccinia simplex. Timothy Rust, Puccinia phlei-pralensis. Experiments to get thisform to infect barberry leaves have met with indifferent success. Chrysanthemum Rust, Puccinia chrysanthemi, on leaves of Chry-santhemum sinense in greenhouses all the year round. 204 MYCOLOGY Dandelion Rust, Puccinia taraxaci, on the dandelion Taraxacumofficinale, rather common in Europe, North America, Japan an
RMPG0RBR–. The fungi which cause plant disease . Plant diseases; Fungi. 492 THE FUNGI WHICH CAUSE PLANT DISEASE P. apiicola Speg. is recorded on celery.'^ P. brassicse Thiim. on cabbage is probably identical with P. oleraceae. P. roumii Fr'on. is said to cause a serious cotton disease in Africa.*' P. batatSB E. & H.*^ Pycnidia blackish, gregarious, immersed; conidia terete, ovoid; conidiophores slender. The cause of dry rot of sweet pota- toes. P. chrysanthemi Vogl. is found on leaves of chrysanthemum causing them to wilt. P. malvacearum West is noted on European hollyhocks; P. devastatriz Berk, on
RM2AKRJDF–Annual report of the North Carolina Agricultural Experiment Station . Collecting the data from thelarge pycnidium type in onepolygon, and similarly with thesmall pycnidium type, we have: M= 4.1935 ±0.0247(T= 1.0902 ±0.0174 V.=25.998 ±0.443n=889 Fig. 22.—Ascochyta Chrysanthemi Stevens.gon of spores of large pycnidia. Poly- M= 5.0379 ±0.0335<r= 1.3492 ±0.0237C. V.=26.781 ±0.503n=738 It is seen that there isa tendency throughoutfor the smaller pycnidiato produce larger sporesthan areproduced by thelarge pycnidia. Fig. 23.—Ascochyta Chrysanthemi Stevens,spores of small pycnidia. THIRTY-SECOND A
RMPFHBTH–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 253. Fig. 38. Theca, venstre paramer og spidsen af vesicas sklerotiserede del hos a: Oncotylus punctipes. b: Megalocoleus moUiculus. c: Venstre paramer hos Megalocoleus pilosus. Endvidere venstre paramer og spidsen af vesicas sklerotiserede del hos d: Plagiognathus albipennis. e: PI. vitellinus. f: PI. chrysanthemi. g: PL arbustorum. h: Spidsen af vesicas sklerotiserede dele hos PI. fulvipennis. (h: efter Wagner 1967). Hos (5 har venstre paramer en stor sanseknude med en kraftig spids, distalt forsynet med et hår. På spids
RM2AKRKF9–Annual report of the North Carolina Agricultural Experiment Station . Fig. 17.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnid-ium No. 2, large type. M= 4.4318 ±0.0398o-= .9589 ±0.0281C. V =21.638 ±0.650n =254 Pycnidium No. 3. From a plate bearingone large colony. The whole colony wascharacteristically one of few pycnidia whichwere of large type and light color. Thespores were obtained without any possibilityof the pycnidium being torn, that is, theywere normally ripe spores. M= 3.3848 ±0.0245o= .6714 ±0.0173C. V =19.836 ±0.531n=343 It is seen that these threeseparate pycnidia o
RM2RCBKK4–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
RM2AKRGNR–Annual report of the North Carolina Agricultural Experiment Station . Fig. 26.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparag-inate+starch. VARIATION OF FUNGI DUE TO ENVIRONMENT. Cba +1 per cent glucose. Thiswas a remarkable colony with sporesdistinctly smoky or olivaceous. M= 5.1422 + 0.0408o = .9214 + 0.0289. C. V.=17.919rc=232 : 0.579 Fig. 27.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparagi-nase* glucose. Plated thickly in 4 per cent pea M= 4.3246 + 0.0392o-= 1.0138 + 0.0277C. V.=23.442 +0.674r?=350
RM2AKRM74–Annual report of the North Carolina Agricultural Experiment Station . Fig. 16.—Ascochyta Chrysanthemi Stevens.Polygon of spores from pycnidium No. 1, largetype. 3 should cover 20 squares instead of 25. division equal 3.7 jjl. VARIATION OF FUNGI DUE TO ENVIRONMENT. Pycnidium No. 2. Large type.. Fig. 17.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnid-ium No. 2, large type. M= 4.4318 ±0.0398o-= .9589 ±0.0281C. V =21.638 ±0.650n =254 Pycnidium No. 3. From a plate bearingone large colony. The whole colony wascharacteristically one of few pycnidia whichwere of large type and light co
RM2RCBKK3–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
RM2AKRFMW–Annual report of the North Carolina Agricultural Experiment Station . Fig. 28.—Ascochyta Chrysanthemi Stevens.Polygon of spores from 4 per cent pea agar. TTTi 111; j j m h 11 mil 111! 111111111 [-{! Cowpea agar. M= 4.8657 + 0.0545<r= 1.1885 + 0.0386C. V.=24.427 ±0.839n—214 Fig. 29.—Ascochyta Chrysanthemi Stevens. Polygonof spores from cowpea agar. It is seen that on these different media the mode varies materially, being low onpure agar, higher on cba+sodium asparaginate, and still higher when glucose orstarch is added. The mode is high also in natural media, such as pea agar andcowpea agar
RM2AKRHRE–Annual report of the North Carolina Agricultural Experiment Station . Cba+0.25 per cent sodium aspa- raginate. M= = 3.5637 ±0.0358 cr= = 0.7579 ±0.0253 C. V.= =21.267 ±0.725 n= =204 Fig. 25.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba +0.25 per centsodium asparaginate. M= 5.4267 ±0.0356o-= .7896 ±0.0251C. V.=14.551 ±0.459n=225. Fig. 26.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparag-inate+starch. VARIATION OF FUNGI DUE TO ENVIRONMENT. Cba +1 per cent glucose. Thiswas a remarkable colony with sporesdistinctly smoky or olivaceous. M= 5.1422 + 0.0408o = .92
RM2RCBKMC–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
RM2AKRG5M–Annual report of the North Carolina Agricultural Experiment Station . C. V.=17.919rc=232 : 0.579 Fig. 27.—Ascochyta Chrysanthemi Stevens.Polygon of spores from cba+sodium asparagi-nase* glucose. Plated thickly in 4 per cent pea M= 4.3246 + 0.0392o-= 1.0138 + 0.0277C. V.=23.442 +0.674r?=350. Fig. 28.—Ascochyta Chrysanthemi Stevens.Polygon of spores from 4 per cent pea agar. TTTi 111; j j m h 11 mil 111! 111111111 [-{! Cowpea agar. M= 4.8657 + 0.0545<r= 1.1885 + 0.0386C. V.=24.427 ±0.839n—214 Fig. 29.—Ascochyta Chrysanthemi Stevens. Polygonof spores from cowpea agar. It is seen that on these
RM2RCBKKH–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
RM2AKRK21–Annual report of the North Carolina Agricultural Experiment Station . Fig. is.—Ascochyta Chrysanthemi Stevens.gon of spores from pycnidium No. 3, large type. Poly- 64 THIRTY-SECOND ANNUAL REPORT, 1909. B. Spores from small pycnidium type (Fig. 14). Pycnidium No. 4. Small type. M= 3.6011+0.0363a= .7183 + 0.0256 C.V.=19.947 +0.740n=178 HI Fig. 19.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnidiumNo. 4, small type. Pycnidium No. 5. Spores taken from smallpycnidium colony shownin Fig. 14. M= 5.5850 + 0.0414cr= 1.0737 + 0.0293C. V.=19.225 +0.543n=306 Fig. 20.—Ascochyta Chrysanthemi
RM2RCBKME–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
RM2CDD930–. The rusts of Australia, their structure, nature, and classification . G. II. Robinson, Phot. UREDO. Explanation of Plates. PLATE XXIX. (All Figures X 250.) ADDENDA TO PUCCINI A.Fig. 250. Uredospores and lelcutospores of Puccinia menthae on Metitha fulegium. 251. Uredospores of P. ehrysanihemi on Chrysanthemum indicum, from New South Wales. 252. Isolated teleutospore found associated with the same. 253. Uredospores and teleutospores of P. chrysanthemi on Chrysanthemum cult., Japan. (Herbarium A. Ideta.) 254. Abnormal teleutospore associated with uredospores and teleutospores of same. 255. Mes
RM2RCBKKA–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
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
RM2RCBKJC–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
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
RM2RCBKKX–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
RMRD41BG–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... . Fig. 125. Monosynamma bohemani (Fallen) Fig. 126. Plagiognathus chrysanthemi (Wolff). 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.. Dansk naturhistorisk forening. København, G. E. C. Gad
RMRD41BE–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... Fig. 125. Monosynamma bohemani (Fallen) Fig. 126. Plagiognathus chrysanthemi (Wolff). Fig. 127. Plagiognathus arbustorum (Fabricius). 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.. Dansk naturhistorisk forening. København, G. E. C. Gad
RMRGF66A–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 378 bulletin: museum of comparative zoology (L. pusilla, Serpentine leaf-miner), Melanagromyza, Napomyza, Phytomyza (Fig. 647) (P. chrysanthemi, Chrysanthemum leaf- miner)). {PHYTOM^ZIDM) AGROMYZID^ Postvertical (occipital) bristles converging, rarely absent; base of female genitalia retractile; basal joint of arista longer than broad. (Anthomyza, Anagnota, Ischnomyia, Mumetopia, Paranthomyza, Stiphrosoma) ANTHOMYZID^. Figs. 647-653. Agromyzidae, Psilidae, Opomyzidae, Chloropidae, Cryptochaetidae 647. Phytomyza, wing.
RM2RCBKKY–Flowers of the Chrysanthemum in the flower shop (Chrysanthemi Flos) (Anthemis grandiflorum)
![. The American chrysanthemum annual 1895. Chrysanthemums. 26 F UN GO US DISEA SES. Recent Blight.—Within the past three years there has been considerable damage done to the cultivated Chrysanthemums by a blight not easily distinguished from the leaf blight (Septoria) above mentioned ; but one which under the microscope has its distinct structural characteris- tics. This fungus was discovered by Mr. J. Dearness, of London, Canada and described b Messrs. Ellis and. Fig. 3. See Fungous Diseases. BY PERinSSION OF "THE AMEEKWN FLOKIST." Dearness as Cylindrosporium Chrysanthemi. It is a mo Stock Photo](https://c8.alamy.com/comp/RPDW74/the-american-chrysanthemum-annual-1895-chrysanthemums-26-f-un-go-us-disea-ses-recent-blightwithin-the-past-three-years-there-has-been-considerable-damage-done-to-the-cultivated-chrysanthemums-by-a-blight-not-easily-distinguished-from-the-leaf-blight-septoria-above-mentioned-but-one-which-under-the-microscope-has-its-distinct-structural-characteris-tics-this-fungus-was-discovered-by-mr-j-dearness-of-london-canada-and-described-b-messrs-ellis-and-fig-3-see-fungous-diseases-by-perinssion-of-quotthe-ameekwn-flokistquot-dearness-as-cylindrosporium-chrysanthemi-it-is-a-mo-RPDW74.jpg ". The American chrysanthemum annual 1895. Chrysanthemums. 26 F UN GO US DISEA SES. Recent Blight.—Within the past three years there has been considerable damage done to the cultivated Chrysanthemums by a blight not easily distinguished from the leaf blight (Septoria) above mentioned ; but one which under the microscope has its distinct structural characteris- tics. This fungus was discovered by Mr. J. Dearness, of London, Canada and described b Messrs. Ellis and. Fig. 3. See Fungous Diseases. BY PERinSSION OF "THE AMEEKWN FLOKIST." Dearness as Cylindrosporium Chrysanthemi. It is a mo Stock Photo")
RMRPDW74–. The American chrysanthemum annual 1895. Chrysanthemums. 26 F UN GO US DISEA SES. Recent Blight.—Within the past three years there has been considerable damage done to the cultivated Chrysanthemums by a blight not easily distinguished from the leaf blight (Septoria) above mentioned ; but one which under the microscope has its distinct structural characteris- tics. This fungus was discovered by Mr. J. Dearness, of London, Canada and described b Messrs. Ellis and. Fig. 3. See Fungous Diseases. BY PERinSSION OF "THE AMEEKWN FLOKIST." Dearness as Cylindrosporium Chrysanthemi. It is a mo
RMRH1T8F–. Bulletin. Mycology; Fungi; Fungi. PUCCINIA CHRYSANTHEMI. 93. 1° Urédospores de diverses formes : A, B, G, D, Urédosjiores imiloculaires et alors sphériques^ ellipsoïdes, ovoïdes, piriforines ; E. F. Urédospores hiloculaires ou puccini.ormes ; H, Germination d'une urédospore unilo- culaire; J, Germination d'une Urédospore biloculaire ; G, Formation d'une urédospore biloculaire (Grossissement '—).. 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 resemb
RMRDEG73–. Diseases of economic plants . Plant diseases. OBNAMENTAL PLANTS 463 Ascochytose, ray blight (Ascochyta chrysanthemi Stevens). — In this disease, described by Stevens' as doing consider- able damage in North Caro- lina, the ray flowers are blighted, resulting in im- perfect opening of the buds. Thorough spraying with Bordeaux mixture from the beginning of the season un- til blossoming, accompanied by destruction of infected refuse, has proved a satis- factory treatment. Powdery mildew (Oidium chrysanthemi Rbh. of Ery- siphe cichoracearum DC). — This mildew occurs as white, flour-like spots up
RMRDBFDP–. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. Fig. so. Chrysanthemum Diseases. a. Botrytis blossom rot, healthy and diseased (after Spaulding), b. ray blight (after Stevens, F. L.), c. chrysanthemum rust (after Smith. R. E.). d. Urc- dospores of Puccinia chrysanthemi, e. Cylindrosporium fungus, /. Cylindro- sporium blight (e and f after Halsted).. 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
RMRPCKDY–. The American florist : a weekly journal for the trade. Floriculture; Florists. J8g3' The American Florist. 757. Hg. 3. Chrysanthemums affected by Cylindrosporium Chrysanthemi E. & D. Right-hand one most recently affected. Lejt-hand one leaves alt affected and drawn downwards to the stem except two or three at top. Middle one alt blackened^ and most of the leaves fallen off. water, and then add enough soap to make a suds. It is further recom- mended that all diseased foliage be re- moved and burned. Sweet Peas for Cut Flowers. Excelling in every point, the sweet pea doubly excels as a cut
RMRDE5DD–. The fungi which cause plant disease . Plant diseases; Fungi. 492 THE FUNGI WHICH CAUSE PLANT DISEASE P. apiicola Speg. is recorded on celery.'^ P. brassicse Thiim. on cabbage is probably identical with P. oleraceae. P. roumii Fr'on. is said to cause a serious cotton disease in Africa.*' P. batatSB E. & H.*^ Pycnidia blackish, gregarious, immersed; conidia terete, ovoid; conidiophores slender. The cause of dry rot of sweet pota- toes. P. chrysanthemi Vogl. is found on leaves of chrysanthemum causing them to wilt. P. malvacearum West is noted on European hollyhocks; P. devastatriz Berk, on
RMRR60N3–. Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen. Natural history; Natural history -- Germany. 170 Mit A. pruni Koch ist Aphis myosotidis Koch, vielleicht auch A. helichrysi Kalt, identisch. Nach Dobrowljanskyi) sollen ferner noch Aphis cardui L., A. jacohaeae Sehr., A. symphyti Sehr., A. chrysanthemi Koch und A. capsellae Koch zu pruni gehören. In- dessen ist mit der von mir studierten pruni Koch A. cardui L.^) keineswegs artgleich, sondern abgesehen von der Größe u. a. durch die schwarzgefleckten ungeflügelten Mütter unterschieden. Ob die letztgenannte Art, zu der di
RMREFBH4–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Diplodia 151 Pyrethrum. Pyrethrum 3299. D. Chrysanthemi F. Tassi, Atti R. Accacl. dei Fisiocr. Siena, 4. Ser. VIII. 1896, p. 6. extr. et Rev. mycol. 1896, p. 166, tab. 171, fig. 4. Sacc. et Sydow, Syll. XIV. p. 931. Fruchtgehäuse zerstreut oder weitläufig-herdenweise, erst von der etwas aufgetriebenen Oberhaut bedeckt, dann von der auf- gerissenen umgeben, fast kugelig, am Scheitel durchbohrt, schwarz? ca. 200 u im Durchmesser; Sporen an
RMRD41FR–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 253. Fig. 38. Theca, venstre paramer og spidsen af vesicas sklerotiserede del hos a: Oncotylus punctipes. b: Megalocoleus moUiculus. c: Venstre paramer hos Megalocoleus pilosus. Endvidere venstre paramer og spidsen af vesicas sklerotiserede del hos d: Plagiognathus albipennis. e: PI. vitellinus. f: PI. chrysanthemi. g: PL arbustorum. h: Spidsen af vesicas sklerotiserede dele hos PI. fulvipennis. (h: efter Wagner 1967). Hos (5 har venstre paramer en stor sanseknude med en kraftig spids, distalt forsynet med et hår. På spids
RMRHAXEB–. Botanikai kzlemnyek. Plants; Plants -- Hungary. 6. kép. A rozsdagombák spóráinak rendellenességei. 1. 2. Uromyces thapsí 3. U. rumicis, 4. Puccinia epilobü-Fleischeri, 5. V. thapsi, 6. P. thlaspeos, 7. P. salviae, 8. P. longirostris, 9. P. chrysanthemi uredospórája, 10., 13., 14., 15. P. lampsanae, 11., 16. Phragmidium ruhi, 17. Ph. fusiforme, 12. P. oblongata uredospórája, 18. P. coronata, 19. P. cnici-oleracei, 20. P. helianthi, 21. Ph. rubi, 22. Triphragmmm filipendulae, 23. T. ulmariae, 24. P. chry- santhemi uredospórája, 25. U. thapsi, 26. P. glechomatis, 27. P. albescens, 28. P. cnici-
![. Bulletin de la Société royale de botanique de Belgique. Société royale de botanique de Belgique; Botany. 246 plus considérable encore de ses facultés d'adaptation, qui pourrait l'amener à produire alors des dégâts beaucoup plus sérieux. Le parasite qui cause ce grillage des feuilles est un champignon appartenant au genre Cercospora. Son mycé-. Fig". 3. â Cercospora chrysanthemi Puttem. lium, qui envahit les tissus du limbe, différencie légère- ment certains de ses cléments pour former des amas cellulaires d'où naissent, indifféremment sur l'une ou l'autre face de la feui Stock Photo](https://c8.alamy.com/comp/RGPCCM/bulletin-de-la-socit-royale-de-botanique-de-belgique-socit-royale-de-botanique-de-belgique-botany-246-plus-considrable-encore-de-ses-facults-dadaptation-qui-pourrait-lamener-produire-alors-des-dgts-beaucoup-plus-srieux-le-parasite-qui-cause-ce-grillage-des-feuilles-est-un-champignon-appartenant-au-genre-cercospora-son-myc-figquot-3-cercospora-chrysanthemi-puttem-lium-qui-envahit-les-tissus-du-limbe-diffrencie-lgre-ment-certains-de-ses-clments-pour-former-des-amas-cellulaires-do-naissent-indiffremment-sur-lune-ou-lautre-face-de-la-feui-RGPCCM.jpg ". Bulletin de la Société royale de botanique de Belgique. Société royale de botanique de Belgique; Botany. 246 plus considérable encore de ses facultés d'adaptation, qui pourrait l'amener à produire alors des dégâts beaucoup plus sérieux. Le parasite qui cause ce grillage des feuilles est un champignon appartenant au genre Cercospora. Son mycé-. Fig". 3. â Cercospora chrysanthemi Puttem. lium, qui envahit les tissus du limbe, différencie légère- ment certains de ses cléments pour former des amas cellulaires d'où naissent, indifféremment sur l'une ou l'autre face de la feui Stock Photo")
RMRGPCCM–. Bulletin de la Société royale de botanique de Belgique. Société royale de botanique de Belgique; Botany. 246 plus considérable encore de ses facultés d'adaptation, qui pourrait l'amener à produire alors des dégâts beaucoup plus sérieux. Le parasite qui cause ce grillage des feuilles est un champignon appartenant au genre Cercospora. Son mycé-. Fig". 3. â Cercospora chrysanthemi Puttem. lium, qui envahit les tissus du limbe, différencie légère- ment certains de ses cléments pour former des amas cellulaires d'où naissent, indifféremment sur l'une ou l'autre face de la feui
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