Phytophthora

Jul 24, 2019

Phytophthora crown rot on cucurbits and peppers requires an aggressive approach | MSU Extension Vegetables

This plant pathogen lives in the soil and survives Michigan winters. It does not move via air currents but spreads via splash of contaminated soil, surface water such as culverts, rivers, creeks and streams contaminated by run-off from infested fields, and the dumping of diseased culls onto production fields. Phytophthora is especially unique because it can develop a swimming spore when the soil becomes saturated. The swimming spores move across a field in a pattern consistent with draining water and kills plants in its path.

Apr 10, 2019

Diagnosing and Managing Phytophthora on Squash

The Hausbeck Plant Pathology Research Lab presented a poster titled Diagnosing and Managing Phytophthora on Squash at the 2019 Empire State Producers EXPO held January 15 -  19, 2019.

Mar 19, 2019

Managing Mildews and Phytophthora Blight Successfully in 2019 | Cornell Vegetable Program

Long Island Horticultural Research & Extension Center’s Margaret T. McGrath discussed cucurbit disease management in New York at the 2019 Empire State Producers Expo. Managing diseases is an important component of a successful production program for cucurbit crops because there are several diseases that can reduce yield or fruit quality when not adequately managed. The mildews…

Feb 18, 2019

CucCAP Plant Pathologists conduct Disease Management Workshops

Extension vegetable pathologist Mary Hausbeck was joined by CucCAP plant pathologists Lina Quesada from NC State and Chris Smart from Cornell University for a series of disease management workshops in Michigan.

Aug 3, 2018

August 3 Michigan vegetable update | MSU

In cucurbits, cucurbit downy mildew was detected at additional sites in southwest Michigan as well as in Saginaw and Arenac counties over the last week; it is on the move and cucumbers and melons need to be protected. Phytophthora capsici was causing fruit rot and leaf lesions in one zucchini field and root, crown and petiole rot in other fields after last week’s wetter weather.

Jul 31, 2018

Advice for Managing Watermelon Diseases | VGN

Phytophthora, fusarium wilt, anthracnose, downy mildew and gummy stem blight are the biggest issues that Nicholas Dufault, University of Florida associate professor and Extension plant pathologist, has seen. These are the most common diseases in Florida-grown watermelons.

Jun 20, 2018

Methods to combat diseases in vegetable crops | MSU Extension Vegetables

The soil borne bacteria, Phytophthora capsici, spreads rapidly via water and can infect cucumbers, zucchini, summer and winter squash, watermelons, cantaloupes, pumpkins, peppers, eggplants, tomatoes and succulent beans. Read more about the destructive bacteria Phytophthora capsici.

Jun 6, 2018

Phytophthora Diseases Occurring on Fruiting Vegetables in WNC | NC State

As the flooding recedes in western North Carolina, many growers are now reporting losses due to Phytophthora diseases on various vegetable crops including pepper, tomato, cucumber, and other cucurbits.

May 28, 2018

Flooding, waterlogged soils and effects on vegetable crops | VGN

Identify Poorly Drained Areas for Phytophthora capsici Management

Dec 22, 2017

New Spanish Fact Sheets on the CucCAP website

The CucCAP team in Peurto Rico authored translations of three Spanish factsheets to be added to the CucCAP website: Manejo de Phytophthora en Pepino, Manejo de Phytophthora en Calabaza de Verano y Calabacín, and Manejo de Phytophthora en cantalupe, melón y sandia