Cucumber (Cucumis sativus)-Powdery Mildew | Pacific Northwest Pest Management Handbooks

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 […]

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Plant Disease Management Handbook | Pacific Northwest Pest Management Handbooks

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 […]

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Texas Plant Disease Handbook

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 […]

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Vegetable Production Handbook of Florida

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).  

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