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Phytophthora cactorum Stock Photos and Images
RMB5EHW0–STRAWBERRY CROWN ROT Phytophthora cactorum SECTION THROUGH INFECTED PLANT SHOWING EXTENSIVE ROT
RMT697R1–Methenamine silver stain photomicrograph of the histopathologic changes associated with phaeohyphomycosis caused by Phytophthora parasitica, 1971. Image courtesy Centers for Disease Control and Prevention (CDC) / Dr Libero Ajello. ()
RM2CEPGD2–. Archiv furgeschichte. i dieser Kalamität auch ein Pilz mit-gewirkt, Phytophthora cactorum s. omnivora; dieser die Buchen-cotyledonen-Krankheit verursachende Pilz kommt sehr häufig mitder genannten Blattlaus zusammen vor, ob in kausalem Zusammen-hang ist noch nicht erwiesen. An dem mitgebrachten Materialkonnte Herr Prof. Falk in diesem Falle indes den Pilz nicht auf-finden; die Jahreszeit war schon weit vorgeschritten, die Pflänzchenschon zu sehr verfault und verschimmelt. Die Bekämpfungsweise der Schnecken behandelt eingehenderdas Flugblatt Nr. 5 der Sammlung der Kgl. Landwirtsch. AkademieBo
RMB5FD13–STRAWBERRY CROWN ROT Phytophthora cactorum SECTION THROUGH INFECTED PLANT SHOWING EXTENSIVE ROT
![. [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. 60 BULLETIN 934, IT. S. DEPARTMENT OF AGRICULTURE. A test made on jack pine with a culture of Phytophthora cactorum, furnished by the department of plant pathology of Cornell Univer- sity, resulted negatively. At the time of sowing the seed three pots were inoculated with cultures on nutrient agar inserted at several points in each pot. After emergence additional fragments of prune- agar cultures were placed in contact with the seedlings, and they were. /S-24- 30-4-+ +SS9 60-74- 76- Stock Photo](https://c8.alamy.com/comp/RG8TJ0/bulletins-on-forest-pathology-from-bulletin-usda-washington-dc-1913-1925-trees-plant-diseases-60-bulletin-934-it-s-department-of-agriculture-a-test-made-on-jack-pine-with-a-culture-of-phytophthora-cactorum-furnished-by-the-department-of-plant-pathology-of-cornell-univer-sity-resulted-negatively-at-the-time-of-sowing-the-seed-three-pots-were-inoculated-with-cultures-on-nutrient-agar-inserted-at-several-points-in-each-pot-after-emergence-additional-fragments-of-prune-agar-cultures-were-placed-in-contact-with-the-seedlings-and-they-were-s-24-30-4-ss9-60-74-76-RG8TJ0.jpg ". [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. 60 BULLETIN 934, IT. S. DEPARTMENT OF AGRICULTURE. A test made on jack pine with a culture of Phytophthora cactorum, furnished by the department of plant pathology of Cornell Univer- sity, resulted negatively. At the time of sowing the seed three pots were inoculated with cultures on nutrient agar inserted at several points in each pot. After emergence additional fragments of prune- agar cultures were placed in contact with the seedlings, and they were. /S-24- 30-4-+ +SS9 60-74- 76- Stock Photo")
RMRG8TJ0–. [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. 60 BULLETIN 934, IT. S. DEPARTMENT OF AGRICULTURE. A test made on jack pine with a culture of Phytophthora cactorum, furnished by the department of plant pathology of Cornell Univer- sity, resulted negatively. At the time of sowing the seed three pots were inoculated with cultures on nutrient agar inserted at several points in each pot. After emergence additional fragments of prune- agar cultures were placed in contact with the seedlings, and they were. /S-24- 30-4-+ +SS9 60-74- 76-
RMRCD9C4–. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. PHYTOPHTHORA 127 Phytophthora omnivora, De Bary {^Phytophthora cactorum, Schrot.). Hartig has paid special attention to this fungus, more especially as a parasite attacking beech seedlings, although as one of its specific names indicates, it also attacks other plants, more especially in the seedling stage, among. Fig. 22>.—Phyiopkfkora ominvora. A beech seedling attacked by the fungus. The dark portion of the stem below the cotyledons, and the blotche
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