Powdery mildew, Alternaria and Cercospora are three important fungal foliar pathogens that can cause early defoliation in carrots, thus reducing yields and making harvest difficult. Each pathogen produces distinct symptoms. [Read more…]
July 20, 2023 Andy Wyenandt
Controlling Root Knot Nematode in New Jersey
The Root Knot Nematode does show up from time to time in vegetable production in New Jersey. Fortunately, for New Jersey, the distribution and damage done by the Root Knot Nematode is no where near the levels seen in regions further south of the state. There are two species involved, the Northern Root Rot Nematode (Meloidogyne hapla) and the Southern Root Rot Nematode (Meloidogyne incognito) and both species have been found in the state. [Read more…]
July 19, 2023 Andy Wyenandt
Preparing for important fungal diseases in Asparagus during the summer.
Asparagus growers should consider scouting their fields regularly during the summer months for foliar disease development. Important pathogens that growers need to scout for on a regular basis include Purple spot, Cercospora, and Rust. [Read more…]
July 18, 2023 Andy Wyenandt
Controlling Cercospora leaf spot in beet crops in 2023
Cercospora leaf spot (CLS), caused by Cercospora beticola, is an important and emerging disease in beet and swiss chard production in New Jersey. Efforts to control this disease has become more difficult in the past few years in some areas of southern New Jersey. [Read more…]
July 17, 2023 Andy Wyenandt
Controlling Anthracnose and Alternaria Leaf Blights in Cucurbit Crops
Anthracnose and Alternaria leaf blight can become problematic in cucurbit crops during long periods of wet, humid weather. Both can cause significant losses if not controlled properly. With the production season in full swing, now is a good time to review a few of these important diseases. [Read more…]
July 16, 2023 Andy Wyenandt
Important resources for cucurbit disease control in 2023
The cucurbit growing season is well under way in New Jersey and the rest of the mid-Atlantic region. Below are links to useful resources for the identification and management of important cucurbit diseases.
Diagnosing important diseases in cucurbit crops
Cucurbit Powdery and Downy Mildew: A Tale of Two Pathogens
The downy mildew forecasting website
Preparing for cucurbit downy mildew in 2023
Preparing for cucurbit powdery mildew in 2023
Preparing for Anthracnose and Alternaria Leaf Blights in Cucurbit Crops
Recognizing and controlling Angular leaf spot in cucurbits
Recognizing and controlling Plectosporium blight in cucurbits
Controlling Phytophthora and Pythium root rots
Destroying cucurbit plantings after harvest
