Now is a good time to start thinking about ways to help mitigate cucurbit downy mildew pressure later in the production season. All cucurbit fields, especially cucumber and other summer squash fields should be destroyed immediately after the last harvest to help limit potential inoculum sources for cucurbit downy mildew. For a review of CDM […]
Continue reading...Destroying cucurbit plantings after harvesting is a must to help mitigate downy mildew
Diagnosing important diseases in Cucurbit crops – Reference Guide

The following images consist of important diseases in cucurbit crops. These images can be used as a quick reference for diagnosing important fungal and bacterial pathogens. For best results, please turn your device (i.e., cell phone) sideways. For information on commercial control recommendations, please visit the cucurbit sections of the 2022/2023 Mid-Atlantic Commercial Vegetable Production […]
Continue reading...Controlling basil downy mildew in the field in 2022
For over a decade, basil downy mildew (BDM) has caused significant losses in basil grown in organic and conventional field and greenhouse production across the United States. At the time of its introduction, there were very few fungicides labeled for its control making it nearly impossible to grow a successful crop in many areas of […]
Continue reading...Sparganothis Fruitworm Degree-Day Update: as of July 02, 2022

Based on our degree-day (DD) model for Sparganothis fruitworm, first eggs hatched at about 895 DD (see chart). As of July 02, Sparganothis has accumulated 1101.5 DD (using April 15 as biofix). This indicates that eggs have started to hatch, and fruit will become susceptible to infestation since larval injury to fruit usually begins after […]
Continue reading...Vegetable Disease Update: 07-02-22
Powdery mildew has been reported in cucurbit crops. For more information on the control of CPM please click here. Cucurbit downy mildew has been reported on cucumber in southern New Jersey and Eastern PA. For more information on CDM control please click here. Bacterial leaf spot has been reported in pepper. More more information on […]
Continue reading...Crop progress and sicklebarring palmer greenstalks

Salem County: Two plus inches of June precipitation on the 9th and 12th carried non-irrigated corn and soybean through the month with only trace amounts of precipitation until the 24th when some areas received another half inch. In exceptionally wet fields, climbing humidity levels on the 13th, 14th, and 15th were high enough to allow […]
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