Source: Cucumber (Cucumis sativus)-Powdery Mildew | Pacific Northwest Pest Management Handbooks Symptoms First, tiny white superficial spots appear on leaves and stem. Spots become powdery white and expand to cover all portions of the plant. Sometimes the mycelium becomes covered with small black structures (chasmothecia) about the size of a pinhead but these chasmothecia are rarely […]
Clemson University: Powdery Mildew on Watermelon Cucumber, Squash, Melon & other cucurbit diseases
Source: Phytophthora Fruit Rot Phytophthora capsici Leonian and other Phytophthora spp. cause a fruit rot that often occurs together with a crown and root rot, especially in summer squash. Environmental conditions determine the relative importance of the two phases: crown and root rot has a greater impact on summer squash yield under the dry conditions of California, whereas […]
This handbook is intended as a ready reference guide to the control and management tactics for the more important plant diseases in the Pacific Northwest. This book should be used by—and has been expressly written for—county Extension agents, consultants, field and nursery people, and chemical industry representatives. Growers, Master Gardeners, and homeowners may also find […]
UC Management Guidelines for Phytophthora Fruit and Crown Rot on Cucurbits. Source: UC IPM: UC Management Guidelines for Phytophthora Fruit and Crown Rot on Cucurbits
Source: Cantaloupe, Cucumber, Squash, Pumpkin and Crenshaw | Texas Plant Disease Handbook About the Handbook Prepared by Texas Extension Plant Pathologists This website is an electronic version of the Texas Plant Disease Handbook that was developed by Extension Plant Pathologist in the late 1980s. Some information on this site, such as those referring to treatments […]
This comprehensive factsheet for farmers describes recommended practices for producing pickling and slicing cucumbers. Source: Commercial Production of Pickling and Slicing Cucumbers in North Carolina | NC State Extension Publications
Vegetable Production Handbook of Florida Source: Florida Plant Disease Management Guide: Cucumber Anthracnose: Colletotrichum lagenarium – http://edis.ifas.ufl.edu/pp266). Gummy Stem Blight: Didymella bryoniae – http://edis.ifas.ufl.edu/pp280). Powdery Mildew: Podosphaera xanthii – http://edis.ifas.ufl.edu/cv123). Aphid-Transmitted Mosaic Viruses (Papaya Ringspot Virus Type W, Cucumber mosaic virus, Zucchini yellow mosaic virus, Watermelon mosaic virus 2 – http://edis.ifas.ufl.edu/in168). Spray Guide: http://edis.ifas.ufl.edu/cv123).