CucCAP Plant Breeders and Extension Specialists will speak at November Meetings

On Tuesday November 28, Todd Wehner will speak about Cucumber Germplasm from NC State with High Resistance to Downy Mildew with Emily J. Silverman at the 32nd Annual Southeast Vegetable & Fruit Expo. Also at this meeting, Jonathan Schultheis from NC State will speak about Watermelon Production Management Considerations. Lina Quesada-Ocampo, from the NC State Vegetable disease […]

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Screening Watermelon for disease resistance at NC State

NC State Cucurbit breeding team: Wehner Lab at NC State Quesada vegetable pathology lab at NC State Allie Druffel is screening watermelon for fusarium resistance.   Watermelon Diseases Cucumber green mottle mosaic virus: Cucumber green mottle mosaic virus (CGMMV) Downy mildew: Pseudoperonospora cubensis Fusarium wilt Fusarium oxysporum f. sp. niveum (F. oxysporum) Gummy stem blight Didymella […]

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Powdery mildew on squash and pumpkin

Podosphaera xanthii Cucurbit powdery mildew is caused worldwide by the fungal pathogens Podosphaera xanthii and Golovinomyces cichoracearum. Podosphaera xanthii is more common¹ and, apparently, may be the only one on cucurbits in North America². Early symptoms of powdery mildew include small, circular, yellow lesions on leaves and petioles. Lesions quickly become covered in white spores and […]

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Powdery mildew on watermelon

Podosphaera xanthii Cucurbit powdery mildew is caused worldwide by the fungal pathogens Podosphaera xanthii and Golovinomyces cichoracearum. Podosphaera xanthii is more common¹ and, apparently, may be the only one on cucurbits in North America². Early symptoms of powdery mildew include small, circular, yellow lesions on leaves and petioles. Lesions quickly become covered in white spores and […]

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Phytophthora blight on Squash and Pumpkins

Phytophthora capsici: In squash fields, Phytophthora capsici causes wilting, crown, root, and fruit rot, plant stunting and death. Since the disease results in a range of symptoms in squash it is often referred to as Phytophthora blight. Sporangia are formed on infected fruit and have a powdered sugar appearance. P. capsici is favored by rain […]

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