Buckeye Rot of Tomato
Buckeye rot of tomato is caused by the fungus Phytophthora parasitica. The disease can result in large losses in the yield of harvestable fruit. The fungus also causes a fruit rot of pepper and eggplant. Fig. 1. Fruit lesions with concentric ring ... [... more]
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Early Blight of Tomatoes
Early blight, caused by the fungus Alternaria solani, is one of the most common diseases of tomatoes in Virginia. It occurs to some extent every year wherever tomatoes are grown. In spite of its name, the disease may occur at any time during the ... [... more]
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Septoria Leaf Spot of Tomato
Septoria leaf spot of tomato, caused by the fungus Septoria lycopersici, is one of the most common and destructive diseases of tomato in Virginia. The fungus can cause severe leaf spotting and defoliation is common following severe infection. ... [... more]
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Blossom End Rot of Tomato
Blossom end rot is a physiological disorder of tomato fruits that affects both greenhouse and field grown plants. Blossom end rot occurs more frequently when plants grown under favorable conditions early in the season are subjected to long ... [... more]
Virginia Tech Extension |
Timber Rot of Tomato
Timber rot, a stem rot disease of tomato, is caused by the fungus Sclerotinia sclerotiorum. The fungus has a wide host range and can also attack beans, cabbage, carrots, celery, cucumbers, lettuce, onions, peas, pumpkins, and squash. Timber rot ... [... more]
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Amendment to 1995 Imidacloprid Labels
Imidacloprid (Admire 2F, Provado 1.6F) is now registered for use on a number of vegetable crops in addition to potatoes. One should check the label carefully for restrictions, but Admire can be applied in furrow, in a band, as a drench or ... [... more]
Virginia Tech Extension |
New Problems with Potato and Tomato Late Blight
Late blight (Phytophthora infestans) has suddenly become a major concern in most potato producing areas of the United States. This disease, which has been manageable for a number of years has become extremely difficult to control. Complicating ... [... more]
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New Fungicide for Cucurbit, Tomato,
Like many of the new fungicides, Quadris has a single site mode of action. This means that the possibility of disease resistance may develop if the product is applied continuously. To avoid this potential problem, Quadris should be alternated ... [... more]
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Greenhouse Tomato Variety Trial
Chris Mullins and Jimmy Mullins, Virginia State University Carl Niedziela Jr., North Carolina A & T; State University Table 1. Fertigation schedule: Greenhouse tomato variety trial at Randolph Farm, Ettrick, Virginia, 2002. Table 2. Yield data ... [... more]
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Tomato Varieties for 1996
It is the time of the year when researchers are summarizing data from last summer and growers are thinking about which varieties to use next year. With this in mind, I would like the vine ripe tomato growers to consider those varieties which were ... [... more]
Virginia Tech Extension |
Tomato Spotted Wilt Virus
Dr. Tom Kuhar, Entomologist and Dr. Sam Alexander, Plant Pathologist A high incidence of Tomato spotted wilt virus (TSWV) has occurred in crops in Virginia and other Mid-Atlantic states this season. Be on the lookout for this plant virus in ... [... more]
Virginia Tech Extension |
Burley and Bright Leaf Tomato Prices and You
The following article was developed by Brent Rowell of the University of Kentucky. It has some very good food for thought for vegetable growers in Virginia. It is taken from the August-September 1995 issue of the "New Harvest" newsletter from [... more]
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