A compilation of the results of four years of trials testing products allowed for organic production against cucurbit downy mildew (Pseudoperonospora cubensis) conducted in Geneva, NY....

A compilation of the results of four years of trials testing products allowed for organic production against cucurbit powdery mildew (Podosphaera xanthii) conducted in Geneva, NY....

This guide for organic production of pickling cucumbers and butternut squash provides an outline of cultural and pest management practices and includes topics that have an impact on improving plant health and reducing pest problems. Updated for 2016....

. The disease can be a major production problem. Yields are reduced because of a decrease in the size or number of fruit, or a shortened harvest period. Premature senescence of infected leaves can result in lower market quality because fruit become sunburned...

Viruses are the most common causes of diseases affecting cucurbits in New York. These diseases result in losses through reduction in growth and yield and are responsible for distortion and mottling of fruit , making the product unmarketable. A...

organisms. Epidemiology and disease development The following comments address pepper Phytophthora blight (P. capsict), and in general also apply for diseases of crops listed in the table. The fungus occurs naturally in most soils and can infect Fig. 5...
(two-tailed) motile zoospores. These spores produce germ tubes that penetrate plant tissue. The cycle is repeated with the production of more sporangiophores and sporangia. When the humidity is high, the sporangia can survive for long periods. During...

as required. When powdery-mil dew-resistant (PMR) cucurbits are released, the losses from black rot may be reduced. Anthracnose Although this disease is more often a foliar and fruit-infecting problem for watermelon and muskmelon, the organism can also infect...
-60 50 50-70 50-70 60 60 50-70 60 60 60-70 50-70 8-12 weeks Varies with variety 4 weeks 4-7 weeks 13 weeks 7 weeks 8-11 weeks* 27 weeks 13 weeks *Storage for 4 months or more is possible if all production, curing, and storage recommendations...

, bottom) Howden, Baby Pam, and Spirit pumpkins. �The organism is also thought to exist as races. Fusarium crown and foot rot of squash was first described from South Africa in 1932. In 1939, widespread reports were received from New York, Connecticu t...
with soil Causal Organism Fusarium crown and foot rot is caused by F. solani f. sp. cucurbitae. Two races have been described. Race 1 causes a root, stem, and fruit rot. It occurs worldwide and is responsible for the disease in New York. Race 2 causes only...