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Cichoracearum Stock Photos and Images
RF2WK829E–Cucurbit powdery mildew on zucchini is a fungal disease of zucchini, the culprits of which are fungal pathogens: Erysiphe cichoracearum and Sphaerothe
RM2D6DPEA–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2K5H4TP–Powdery mildew on Garden Phlox leaves close-up. Fungal disease with powdery gray or white spots or coating on plants.
RF2RTXJ2E–Fungal plant disease Powdery Mildew on a pattypan squash bush (pattypan, scallop squash, patisson). White plaque on the leaves. Infected plant
RF2PRDP8J–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
RF2KF0F2X–Fungal plant disease Powdery Mildew on a pattypan squash leaf (pattypan, scallop squash, patisson). White plaque on the leaf. Infected plant.
RME4D324–Squash courgette marrow organic crop flowering Summer crop ripening hidden beneath a mass of protective leaves in field
RM2CDCDT6–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . Fig. 92. Mildew of Chkkkv 228 FUNGOUS DISEASES OF PLANTS XXVI. MILDEW OF COMPOSITES AND OTHER PLANTSErysiphe Cichoracearum De C. This species of mildew is also widely distributed and occursupon more than two hundred hosts of numerous families. It is unusually common upon spe-cies of Compositae and ingeneral is easily the mostdestructive fungus of thesehosts. It is also well knownto the florist upon speciesof phlox and to the gar-dener upon some varietiesof cucurbits. The fungus is often con-fused with th
RME4D2WX–Squash courgette marrow organic crop flowering Summer crop ripening hidden beneath a mass of protective leaves in field
RMBMMRPG–CURCURBIT POWDERY MILDEW (Erysiphe cichoracearum) SHOWING DEVELOPMENT OF MILDEW ON MARROW LEAVES
RMPFY1BT–. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. CUCUMBER DISEASES—CUCUMBER PESTS 857 Massachusetts Experiment Station Bulle- tin 55. In thus handling the soil due time must be given for draining and dry- ^^^' A. D. Selby Powdery Mildew Erysiphe cichoracearum DC. Frequent in hothouses, but not trouble- some elsewhere. Selby recommends a dilute copper sulphate solution. Keference Ohio Experiment
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).
RF2WK829K–Cucurbit powdery mildew on zucchini is a fungal disease of zucchini, the culprits of which are fungal pathogens: Erysiphe cichoracearum and Sphaerothe
RM2D6DP70–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2K5CR7E–Powdery mildew on Garden Phlox leaves close-up. Fungal disease with powdery gray or white spots or coating on plants.
RM2D8148K–Cucumber powedery mildew (Podosphaera fuliginea) white fungal mycelium on leaves of a fruiting cucurbit plant, Berkshire, September
RF2RD8HJH–Cucumber leaves affected by downy mildew close-up. Cucumber disease Peronosporosis or False powdery mildew. Leaf with yellow spots.
RF2RX2B21–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
RMRD7T7J–. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. CUCUMBER DISEASES—CUCUMBER PESTS 857 Massachusetts Experiment Station Bulle- tin 55. In thus handling the soil due time must be given for draining and dry- ^^^' A. D. Selby Powdery Mildew Erysiphe cichoracearum DC. Frequent in hothouses, but not trouble- some elsewhere. Selby recommends a dilute copper sulphate solution. Keference Ohio Experiment
RME4D2T9–Squash courgette marrow organic crop flowering Summer crop ripening hidden beneath a mass of protective leaves in field
RMDF6TPE–marrow ripening in last sunny rays of Summer crop ripening hidden beneath a mass of protective leaves in field
RMPG3YMX–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 228 FUNGOUS DISEASES OF PLANTS XXVI. MILDEW OF COMPOSITES AND OTHER PLANTS Erysiphe Cichoracearum De C. This species of mildew is also widely distributed and occurs upon more than two hundred hosts of numerous families. It is unusually common upon spe- cies of Compositse and in general is easily the most destructive fungus of these hosts. It is also well known to the florist upon species of phlox and to the gar- dener upon some' varieties of cucurbits. The fungus is often con- fuse
RM2D6DPE4–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2K5CPYY–Powdery mildew on Garden Phlox leaves close-up. Fungal disease with powdery gray or white spots or coating on plants.
RM2D81496–Cucumber powedery mildew (Podosphaera fuliginea) white fungal mycelium on leaves of a fruiting cucurbit plant, Berkshire, September
RF2RTW1JR–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
RMRDJF9P–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 228 FUNGOUS DISEASES OF PLANTS XXVI. MILDEW OF COMPOSITES AND OTHER PLANTS Erysiphe Cichoracearum De C. This species of mildew is also widely distributed and occurs upon more than two hundred hosts of numerous families. It is unusually common upon spe- cies of Compositse and in general is easily the most destructive fungus of these hosts. It is also well known to the florist upon species of phlox and to the gar- dener upon some' varieties of cucurbits. The fungus is often con- fuse
RMDF6TNB–masses of marrow flowers on a single plant ready for development and growth into mature vegetables
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 179 and concludes that the same form of "Erysiphe cichoracearum D. C, occurs on at least eleven species of the cucurbits, belonging to seven genera, infection occurring in these cases in fifty per cent or more of the trials. Six other species were also infected, but in a smaller percentage of cases. ... It is also plain that the biologic form of Erysiphe cichoracearum, occurring on so many cucurbits is not entirely confined to the species of this one family. Out of fifty-four leaves of Plant Stock Photo](https://c8.alamy.com/comp/PG4GFP/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-179-and-concludes-that-the-same-form-of-quoterysiphe-cichoracearum-d-c-occurs-on-at-least-eleven-species-of-the-cucurbits-belonging-to-seven-genera-infection-occurring-in-these-cases-in-fifty-per-cent-or-more-of-the-trials-six-other-species-were-also-infected-but-in-a-smaller-percentage-of-cases-it-is-also-plain-that-the-biologic-form-of-erysiphe-cichoracearum-occurring-on-so-many-cucurbits-is-not-entirely-confined-to-the-species-of-this-one-family-out-of-fifty-four-leaves-of-plant-PG4GFP.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 179 and concludes that the same form of "Erysiphe cichoracearum D. C, occurs on at least eleven species of the cucurbits, belonging to seven genera, infection occurring in these cases in fifty per cent or more of the trials. Six other species were also infected, but in a smaller percentage of cases. ... It is also plain that the biologic form of Erysiphe cichoracearum, occurring on so many cucurbits is not entirely confined to the species of this one family. Out of fifty-four leaves of Plant Stock Photo")
RMPG4GFP–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 179 and concludes that the same form of "Erysiphe cichoracearum D. C, occurs on at least eleven species of the cucurbits, belonging to seven genera, infection occurring in these cases in fifty per cent or more of the trials. Six other species were also infected, but in a smaller percentage of cases. ... It is also plain that the biologic form of Erysiphe cichoracearum, occurring on so many cucurbits is not entirely confined to the species of this one family. Out of fifty-four leaves of Plant
RM2D6DPT3–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RM2D8148W–Cucumber powedery mildew (Podosphaera fuliginea) white fungal mycelium on leaves of a fruiting cucurbit plant, Berkshire, September
RF2RX2B3B–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
![. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] ERYSIPHALES 87 lose their contents and are displaced by the developing asci. Later the fusion of the two nuclei in each ascus takes place, and in each eight spores are formed. Dangeard, investigating the development of E. Polygoni and E. Cicho- racearum, notes that in his material the oogonium underwent septation before a row of nuclei was formed, and that cells other than the penultimate contained two or more nuclei. Usually in E. Cichoracearum and sometimes in E. Polygoni the oogonial branch consisted of two cells; this corresponds Stock Photo](https://c8.alamy.com/comp/RDTP58/fungi-ascomycetes-ustilaginales-uredinales-fungi-ill-erysiphales-87-lose-their-contents-and-are-displaced-by-the-developing-asci-later-the-fusion-of-the-two-nuclei-in-each-ascus-takes-place-and-in-each-eight-spores-are-formed-dangeard-investigating-the-development-of-e-polygoni-and-e-cicho-racearum-notes-that-in-his-material-the-oogonium-underwent-septation-before-a-row-of-nuclei-was-formed-and-that-cells-other-than-the-penultimate-contained-two-or-more-nuclei-usually-in-e-cichoracearum-and-sometimes-in-e-polygoni-the-oogonial-branch-consisted-of-two-cells-this-corresponds-RDTP58.jpg ". Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] ERYSIPHALES 87 lose their contents and are displaced by the developing asci. Later the fusion of the two nuclei in each ascus takes place, and in each eight spores are formed. Dangeard, investigating the development of E. Polygoni and E. Cicho- racearum, notes that in his material the oogonium underwent septation before a row of nuclei was formed, and that cells other than the penultimate contained two or more nuclei. Usually in E. Cichoracearum and sometimes in E. Polygoni the oogonial branch consisted of two cells; this corresponds Stock Photo")
RMRDTP58–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. Ill] ERYSIPHALES 87 lose their contents and are displaced by the developing asci. Later the fusion of the two nuclei in each ascus takes place, and in each eight spores are formed. Dangeard, investigating the development of E. Polygoni and E. Cicho- racearum, notes that in his material the oogonium underwent septation before a row of nuclei was formed, and that cells other than the penultimate contained two or more nuclei. Usually in E. Cichoracearum and sometimes in E. Polygoni the oogonial branch consisted of two cells; this corresponds
RMDF6TTY–Pumpkin marrow ripening in last sunny rays of Summer crop ripening hidden beneath a mass of protective leaves in field
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
RM2D6DPTC–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2PRDF4C–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
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
RMDF6TRW–Pumpkin marrow ripening in last sunny rays of Summer crop ripening hidden beneath a mass of protective leaves in field
RM2D6DPX6–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2RTW1JT–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 179 and concludes that the same form of "Erysiphe cichoracearum D. C, occurs on at least eleven species of the cucurbits, belonging to seven genera, infection occurring in these cases in fifty per cent or more of the trials. Six other species were also infected, but in a smaller percentage of cases. ... It is also plain that the biologic form of Erysiphe cichoracearum, occurring on so many cucurbits is not entirely confined to the species of this one family. Out of fifty-four leaves of Plant Stock Photo](https://c8.alamy.com/comp/RDDBWE/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-179-and-concludes-that-the-same-form-of-quoterysiphe-cichoracearum-d-c-occurs-on-at-least-eleven-species-of-the-cucurbits-belonging-to-seven-genera-infection-occurring-in-these-cases-in-fifty-per-cent-or-more-of-the-trials-six-other-species-were-also-infected-but-in-a-smaller-percentage-of-cases-it-is-also-plain-that-the-biologic-form-of-erysiphe-cichoracearum-occurring-on-so-many-cucurbits-is-not-entirely-confined-to-the-species-of-this-one-family-out-of-fifty-four-leaves-of-plant-RDDBWE.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 179 and concludes that the same form of "Erysiphe cichoracearum D. C, occurs on at least eleven species of the cucurbits, belonging to seven genera, infection occurring in these cases in fifty per cent or more of the trials. Six other species were also infected, but in a smaller percentage of cases. ... It is also plain that the biologic form of Erysiphe cichoracearum, occurring on so many cucurbits is not entirely confined to the species of this one family. Out of fifty-four leaves of Plant Stock Photo")
RMRDDBWE–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 179 and concludes that the same form of "Erysiphe cichoracearum D. C, occurs on at least eleven species of the cucurbits, belonging to seven genera, infection occurring in these cases in fifty per cent or more of the trials. Six other species were also infected, but in a smaller percentage of cases. ... It is also plain that the biologic form of Erysiphe cichoracearum, occurring on so many cucurbits is not entirely confined to the species of this one family. Out of fifty-four leaves of Plant
RM2D6DPTW–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2PRDP81–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
RMREF8D8–. Comparative morphology of Fungi. Fungi. Fiq. 124.—Sphaerotheca Humuli. Development of perithecia. 1. Young antheridium and ascogonium. 2. The antheridium divided into antheridial cell and stalk cell. 3. Plasmogamy. 4 to 6. Development of fertilized ascogonium. ( X 500; after Harper, 1896.) ascogonium while the other remains behind in the antheridium and degenerates. In a second group, as in Erysiphe Polygoni (E. Martii) on Pisum sativum and Ranunculus acris, E. cichoracearum on Sonchus oler- aceus, Phyllactinia corylea on Corylus Avellana, in Uncinula Salicis on. Fig. 125.—Erysiphe Polygoni.
RM2D6DR39–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RF2RTW1JN–Garden phlox plants infected by Erysiphe cichoracearum fungus causing powdery mildew coating on the leaf's surface.
RMREF8DH–. Comparative morphology of Fungi. Fungi. Fiq. 124.—Sphaerotheca Humuli. Development of perithecia. 1. Young antheridium and ascogonium. 2. The antheridium divided into antheridial cell and stalk cell. 3. Plasmogamy. 4 to 6. Development of fertilized ascogonium. ( X 500; after Harper, 1896.) ascogonium while the other remains behind in the antheridium and degenerates. In a second group, as in Erysiphe Polygoni (E. Martii) on Pisum sativum and Ranunculus acris, E. cichoracearum on Sonchus oler- aceus, Phyllactinia corylea on Corylus Avellana, in Uncinula Salicis on. Please note that these image
RM2D6DPR0–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RMRCC6A0–. 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 bUghted, 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 upo
RM2D6DPE7–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RMRCDPA9–. Diseases of economic plants. Plant diseases. 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). — This mildew occurs as white, flour-like spots upo
RM2D6DPRG–Cucurbita pepo. Powdery mildew, fungal disease causing a white dust-like coating on a courgette plant. UK
RMREF955–. Comparative morphology of Fungi. Fungi. 132 COMPARATIVE MORPHOLOGY OF FUNGI. Fig. 81.—Phyllactinia corylea. 1. Young ascus with dicaryon. 2 to 4. Caryogamy. 5. Spireme. 6 to 9. Steps in division of primary ascus nucleus. Erysiphe cichoracearum. 10 to 12. Spore formation. 13. Immature ascus. (1 to 5 X 1,500; 6, 13 X 1,000; 7 to 12 X 670; after Harper, 1905.). 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.. Gäumann, Ernst A
Search Results for Cichoracearum Stock Photos and Images (81)
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