Pdf cercospora leaf spot disease of sugar beet ourania. Uhctahr cercospora leaf spot and berry blotch of coffee pd41 july 2008 2 disease symptoms and signs leaves the classic leaf symptom is circular spots with tan, gray, or white centers. This document is ssplp57, one of a series of the plant pathology department, ufifas extension. It is a widespread disease caused by the fungus cercospora. Management of cercospora leaf spot disease of beets, swiss.
Management of cercospora leaf spot disease of beets, swiss chard and spinach. Most damaging in tropical and subtropical regions where warm, wet conditions prevail. This document is ss plp57, one of a series of the plant pathology department, ufifas extension. Pdf one of the most common fungal diseases of eggplant in home and community gardens is cercospora leaf spot. Lesions begin as small, chlorotic spots that expand to become deep brown on the upper leaf surface. These fungi survive adverse conditions in leaves in the canopy. Leaf wetness, typical from now until the end of the season, will increase the presence of cercospora leaf spot on beets, swiss chard, and spinach. Cercospora beticola is the most important foliar disease. Cercospora leaf spot on pepper world vegetable center. Diagnosis and prescription for cercospora leaf spot of chilli. Cercospora leaf spot of sugar beet university of nebraskalincoln.
Other species of cercospora leaf spot pathogens are occasionally found on other genera. The cercospora leaf blight phase generally begins in august at the start of pod fill on late planted soybeans. Cercospora leaf spot of cowpea africa soil health consortium cabi. Epidemiology and management of cercospora leaf spot. Cercospora leaf spot and berry blotch of coffee ctahr. Cercospora leaf spot is distinguished from other leaf diseases alternaria, phoma and bacterial leaf spots by their smaller size and shape figure 2, and the. Discoloration results from numerous irregular shaped lesions that range from small specks to halfinch spots.
There are two cercospora species which cause this leaf spot disease. Harveson, extension plant pathologist the symptoms, factors favoring infection, predic tion and control measures for cercospora leaf spot of sugar beet is described in this nebguide. On 82516, secretary vilsack designated 15 counties in new york as primary natural disaster areas due to drought. Cercospora leaf spot on eggplant growing in manoa valley. This disease weakens plants and reduces yields by causing the premature defoliation of. It most commonly occurs in southern florida and has been signi. It has a widespread distribution and occurs all over africa. Cercospora leaf spot disease is an important devastating disease of green gram vigna radiata l. Epidemiology and management of cercospora leaf spot cercospora zonata of faba beans vicia faba by rohan benjamin essex kimber b. Introduction cercospora leaf spot cls is the most serious and destructive foliar disease of sugar beet in the. A related species, pseudocercospora causes similar spots. Cercospora leaf spot caused by cercospora dendrobii. It is a widespread disease caused by the fungus cercospora canesens with the reduction in crop.
Cercospora leaf spot is an infectious leaf disease that affects smooth, panicle, oakleaf and bigleaf types of hydrangea in arkansas landscapes and nurseries. The prescription given by plant disease diagnostic clinic pddc was effective in the farmers field against the. Sunexposed leaves on the upper part of the plant develop a reddish purple to bronze discoloration. One of the most common fungal diseases of eggplant in home and community gardens is cercospora leaf spot.