Grape black rot is a fungal disease caused by an ascomycetous fungus, Guignardia bidwellii, that attacks grape vines during hot and humid weather. “Grape black rot originated in eastern North America, but now occurs in portions of Europe, South America, and Asia.

Black rot is a name used for various diseases of cultivated plants caused by fungi or bacteria, producing dark brown discoloration and decay in the leaves of fruit and vegetables: A disease of the apple, pear and quince caused by a fungus ( Botryosphaeria obtusa or …

Black rot is a serious bacterial disease of cruciferous plants including broccoli, Brussels sprouts, cabbage, cauliflower, kale, rutabaga and turnip. Learn about identification and management here.

2023年4月6日 · The black rot fungus overwinters in mummified fruit on the vineyard floor or in old fruit clusters that hang in the vines. The fungus can also overwinter within cane lesions. Spores of the fungus are produced within the diseased fruit and infect leaves, blossoms, and young fruit during spring rains.

2023年7月5日 · Black rot is one of the most serious diseases of grapes in the eastern United States. Crop losses can range from 5 to 80 percent, depending on the amount of disease in the vineyard, the weather, and variety susceptibility.

Black rot, caused by Xanthomonas campestris pv. campestris is one of the most devastating diseases of cruciferous crops and can result in high losses of yield and quality. It occurs worldwide and infects all brassica species. (Note: there are other ‘black rot’ diseases, on other crop families, that are not caused by the same pathogen.)

Black rot is one of the most common diseases of broccoli, kale, and other Brassica crops. It affects leaves, and often results in head rot. It can be severely yield limiting.

Black rot, caused by the bacterium Xanthomonas campestris pv. campestris ( Xcc ), is considered the most important and most destructive disease of crucifers, infecting all cultivated varieties of brassicas worldwide.

2022年2月23日 · Black rot is a disease of brassicas (Brassicaceae) that occurs worldwide and can result in high losses of yield and quality. The disease is caused by the seed-borne bacterium Xanthomonas campestris pv. campetris.

Black rot is a common and destructive disease that afects plants in the crucifer family (cole crops) at any growth stage. Black rot has also been referred to as bacterial blight, black stem, black vein, stem rot, or stump rot.