Plectosporium Blight of Cucurbits
Plectosporium blight (formerly called Microdochium blight) is a disease of pumpkins and squash that was first reported in Tennessee in 1993. It is caused by the fungus Plectosporium tabacinum (formerly Microdochium tabacinum). In 1994 the disease ... [... more]
Virginia Tech Extension |
Powdery Mildew of Cucurbits
Powdery mildew affects all cucurbits, but most often damages cantaloupes, squash, and pumpkins. Two different fungi, Erysiphe cichoracearum and Sphaerotheca fuliginea, can cause powdery mildew on cucurbits. Both fungi grow as a white, powdery ... [... more]
Virginia Tech Extension |
Angular Leaf Spot of Cucumber
Angular leaf spot of cucurbits is caused by the bacterium Pseudomonas syringae pv. lachrymans. Although the bacterium can attack a wide range of cucurbits, the disease is mainly important on cucumbers in Virginia. The bacterium attacks the ... [... more]
Virginia Tech Extension |
Downy Mildew of Cucurbits
Downy mildew, caused by the fungus Pseudoperonospora cubensis probably causes more damage to cucurbits than any other disease in Virginia, particularly during extended periods of cool, moist weather. The disease is generally a problem from mid to ... [... more]
Virginia Tech Extension |
Cucumbers, Melons and Squash
MOISTURE: Keep moist, not waterlogged; mulch helps maintain moisture. PLANTING: Seed after danger of frost has passed and soil has warmed, or use plants sown indoors in peat pots three to four weeks prior to planting time. SPACING: 12 to 18 ... [... more]
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