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Cornell Vegetable Program

Aug 30, 2019

New photo gallery: Alternaria leaf blight on cucurbits | Cornell Cooperative Extension

The Long Island Horticultural Research & Extension Center in Riverhead, NY added a new photo gallery to their Cucurbit Disease collection for Alternaria leaf blight on cucurbits.

Jul 27, 2019

Cucurbit Downy Mildew Update | Cornell Cooperative Extension

Up until this week, most of eastern NY was under "low risk" of spores blowing in.  However, the CDM Forecasting System now lists NY at high risk for CDM (especially cucumbers).

Jul 22, 2019

New photo gallery: Choanephora fruit rot of summer squash | Cornell Cooperative Extension

This common disease occurs when humidity and temperature are both high. Symptoms usually start to develop at the blossom end of fruit touching the ground. The pathogen is in the soil. Affected tissue develops a wet, soft rot. The pathogen’s growth is distinctive. It looks furry (hairy) and like a lot of pins in a pin cushion. Blossoms and leaves can also be affected. There are no known ways to manage this disease.

May 13, 2019

Cornell Vegetable Pathology shares insights on cucurbit disease management

Powdery mildew recommendations for the Northeast from the Cornell Vegetable Pathology Extension at Long Island Horticultural Research & Extension Center were recently updated on the CucCAP website Disease Management Pages. Disease information and 2019 fungicide recommendations from the McGrath lab for Powdery mildew, downy mildew and Phytophthora blight were recently published in Proceedings of the 2019 Empire State Producers Expo.

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…

Nov 11, 2018

Resistance to Fungicides in Vegetable Pathogens: Current Situation and Strategies for Managing | Cornell Vegetable Pathology

Multi-fungicide resistance remains a constant concern, exemplified by cucurbit powdery mildew isolates present on Long Island that are resistant to 6 different fungicide chemistries.

Sep 16, 2018

PDMR 12 – Plant Disease Management Reports for Cucurbits

PDMR, Volume 12, 2018. Results of 2016 and 2017 field trials, Published in 2018. Plant Disease Management reports for cucumber, squash, and, pumpkin.

Jan 3, 2018

New photo gallery: Virus diseases of cucurbits

The Vegetable Pathology group at Cornell’s Long Island Horticultural Research & Extension Center added a new photo gallery to their website. View the photos of symptoms of virus diseases on cucurbits. Cornell vegetable pathology links for Cucurbits Virus diseases of cucurbits

Sep 18, 2017

New photo gallery: Phytophthora Blight in Cucurbit Crops

Phytophthora blight has been the most destructive disease of cucurbit crops on Long Island.

Jul 6, 2017

Better Know a Pest: Downy Mildew