Northeast

Physiological leaf roll vs. growth regulator herbicide damage viewed

Leaf curling, cupping, and rolling in vegetables can be caused by virus diseases, aphid infestations, herbicides and growth regulators. We are currently finding physiological leaf roll and leaf curling due to exposure to growth regulator... more »

Strategies for sap beetle management in sweet corn shared

Although there are many species of sap beetles only several commonly become pests in agricultural crops. Of these, the dusky sap beetle, Carpophilus lugubris, is the most common sap beetle pest of sweet corn. Eliminating rotting... more »

Changing rainfall patterns impact on strawberries studied in Maine

University of Maine researchers are studying how changes in rainfall patterns caused by climate change could affect strawberries in the Northeast. Principal investigator Rachel Schattman, an assistant professor of sustainable agriculture, and her research team... more »

With rainfall so come phytophthora and pythium

Most of the region has finally gotten rain and pop-up thunderstorms making conditions ideal for pathogens such as phytophthora and pythium on spring-seeded and transplanted crops. Unfortunately, pythium and phytophthora blight can be found on... more »

Watch for thrips and mites in vegetables

The hotter temperatures we have had have caused thrips and to a lesser extent two spotted spider mite, TSSM (Tetranychus urticae) populations to rapidly increase in some vegetable fields in Maryland. These pests feed by... more »

Cornell Farmworker Program efforts expanded with grant

As COVID-19 bore down on New York state, the Cornell Farmworker Program used mobile phone technology to provide rapid guidance and clear health information in multiple languages to the state’s farmworkers. Now, new federal funding will expand... more »

Identifying and controlling botrytis in greenhouse tomato production

Botrytis, or gray mold, caused by the fungus, Botrytis cinerea, can cause significant losses in high tunnel and greenhouse tomato production if not controlled properly. The pathogen can rapidly spread during periods when structures are... more »

How to identify white mold in tomato production

White mold, or timber rot, is caused by the soil-borne fungal pathogen, Sclerotinia sclerotiorum. The photo on right shows a high tunnel tomato plant with main stem infected by white mold. Over time the entire plant... more »