Cucurbit powdery and downy mildew are two important pathogens of cucurbit crops throughout the mid-Atlantic region. Each disease has the ability to cause significant losses and can often show up in cucurbit plantings at the same time during the production season making control difficult. Its important for growers to remember that each pathogen belongs to […]
Continue reading...January 15, 2020 Andy Wyenandt
Greenhouse Disease Management: Seed Treatments and Transplant Production
Seed Treatment Seed used in transplant production should be certified ‘clean’ or disease-free. Most commercial seed comes with certification and is pretreated with fungicide. Important diseases such as Bacterial leaf spot of tomato and pepper can cause major problems in transplant production if introduced in the greenhouse, especially if untreated seed is infested. Remember, a […]
Continue reading...January 12, 2020 Andy Wyenandt
Rutgers downy mildew resistant sweet basils available around the world; Research efforts continue
Rutgers downy mildew resistant sweet basils available around the world; Research efforts continue After a decade’s worth of research and breeding efforts Rutgers Downy Mildew Resistant (DMR) sweet basils are now available to commercial and organic growers as well as home gardeners around the world. Since 2007, when basil downy mildew (BDM) was first identified […]
Continue reading...January 10, 2020 Andy Wyenandt
Controlling Cercospora leaf spot in beet
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. The soil-borne fungal pathogen, once established in fields, can survive in […]
Continue reading...January 9, 2020 Andy Wyenandt
Copper resistance in bacterial leaf spot found in New Jersey during 2020 growing season
Copper resistance has been detected in bacterial leaf spot of tomato and pepper and in Pseudomonas chicorii, the causal agent of bacterial leaf spot in basil, in New Jersey. While not surprising, copper resistance has been known to develop for decades now; however, this is the first time it has been confirmed in vegetable crops […]
Continue reading...January 7, 2020 Andy Wyenandt
Understanding and Controlling Tomato Brown Rugose Fruit Virus
Tomato Brown Rugose Fruit Virus (ToBRFV) is an emerging virus in greenhouse tomato production worldwide. The virus was first identified in Israel a few years ago and has since been found in Europe, Asia, Mexico, and the US. The pathogen is known to be present in greenhouse tomatoes in Mexico, and has occasionally been found […]
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