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The leaves of Cucurbita moschata often have white spots near the veins. ... The squash bug causes major damage to plants because of its very toxic saliva. [77]
Erysiphe cichoracearum is a fungal plant pathogen that causes powdery mildew disease of cucurbits, including melon, cucumber, pumpkin, and squash. [1] The primary symptoms are white, powder-like spots on the leaves and stems. Sphaerotheca fuliginea causes a similar looking powdery mildew of cucurbits.
The leaves begin to turn brown at the margins and necrosis progresses towards the base of the leaf. [2] Cankers, which may or may not have black spots, may appear in the epidermal cortical tissue and on the stems of infected plants. Black spots, if visible, are pycnidia and/or perithecia. Black rot is a common symptom on the fruit of gummy stem ...
This list of gourds and squashes provides an alphabetical list of (mostly edible) varieties of the plant genus Cucurbita, commonly called gourds, squashes, pumpkins and zucchinis/courgettes.
A female squash bug lays bronze-colored oval eggs on the underside of the leaves of the squash family plants. Each squash bug female can lay as many as 18 eggs near the main vein on the leaf where ...
Infected plants display white powdery spots on the leaves and stems. [1] This mycelial layer may quickly spread to cover all of the leaves. The lower leaves are the most affected, but the mildew can appear on any above-ground part of the plant.
The dark green, light-veined leaves are sharply palmate with usually five long triangular points. The stiff, curling yellow flowers are 6 to 8 centimeters wide. The plant bears smooth spherical or oblate squash fruits 8 to 10 centimeters wide. The fruits may be bright yellow to dark green and may have white stripes. The rind is hard and thins ...
Didymella bryoniae, syn. Mycosphaerella melonis, is an ascomycete fungal plant pathogen that causes gummy stem blight on the family Cucurbitaceae (the family of gourds and melons), which includes cantaloupe, cucumber, muskmelon and watermelon plants.