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Dr. Goodearth Problem Listing

Click on the Problem Solver below that fits with the plant in question. If you cannot match your problem with one in the respective Problem Solver, then send us a note - Dr. GoodEarth

Black Rot of Grapes
Black rot of grapes is a serious fungal disease of cultivated grapes and can attack all parts of the plant including leaves, fruit, stems and tendrils. The most economical damage is to the fruit that becomes rotted by harvest. Although this disease is not hard to manage, unsprayed fruit of susceptible cultivars are most likely to become infected during humid weather in mid-summer.

Apple Scab
Apple scab is a fungal disease caused by Venturia inaequalis. Scab is common on susceptible apple and crabapple cultivars grown anywhere is the U.S. and causes premature defoliation of leaves in midsummer. This disease is most important in years with moist and cool spring weather. Premature defoliation can over a series of years can lead to reduced growth and increased susceptibility to environmental stress (heat, cold, insects etc.) Although it rarely leads to tree death directly, weakened trees may gradually loose vigor and fail to recover from poor planting sites. Fruit as well as leaves will develop scab lesions. The fruit remains edible, but affects the quality.