Browse Plant Pests and Diseases Stories

211 results found for Plant Pests and Diseases
Whiteflies transmit several devastating viruses to important vegetable crops, including squash. CAES News
Whiteflies transmit several devastating viruses to important vegetable crops, including squash.
Whitefly Management
Researchers from three research institutions are using a $3.2 million grant from the U.S. Department of Agriculture to fight whiteflies on vegetable crops.
Peanut rust was discovered in Tift County in August and has UGA plant pathologists concerned heading into the final month of the growing season. Peanut rust is a dangerous disease because of how easily and rapidly it spreads from one plant to another. CAES News
Peanut rust was discovered in Tift County in August and has UGA plant pathologists concerned heading into the final month of the growing season. Peanut rust is a dangerous disease because of how easily and rapidly it spreads from one plant to another.
Peanut Rust
Georgia farmers need to be wary of peanut rust disease after it was discovered in a field in Tift County last week, according to University of Georgia plant pathologist Albert Culbreath.
UGA Extension is hosting a field day for south Georgia pecan growers in Appling County on Aug. 28. CAES News
UGA Extension is hosting a field day for south Georgia pecan growers in Appling County on Aug. 28.
Pecan Field Day
University of Georgia Cooperative Extension will host the Southeast Georgia Pecan Field Day in Baxley, Georgia, on Wednesday, Aug. 28.
Bermuda grass stem maggot damages the upper leaves of a forage crop. Lisa Baxter estimates about 60% yield loss in this picture. CAES News
Bermuda grass stem maggot damages the upper leaves of a forage crop. Lisa Baxter estimates about 60% yield loss in this picture.
Forage Pest Management
Drought-like conditions this summer are forcing Georgia forage farmers to delay treatments for Bermuda grass stem maggot, according to Lisa Baxter, University of Georgia Cooperative Extension forage specialist.
Tomato lovers will attest that homegrown always tastes best. But homegrown tomatoes don't always win beauty contests. Some are cracked, split, off-color or just plain ugly. CAES News
Tomato lovers will attest that homegrown always tastes best. But homegrown tomatoes don't always win beauty contests. Some are cracked, split, off-color or just plain ugly.
Ugly "Maters"
There are several tomato disorders that cause a variety of deformities in tomatoes. Most of these disorders are caused by environmental stresses, insects or certain plant diseases. 
Hurricane Michael's strong winds uprooted pecan trees in Tift County. CAES News
Hurricane Michael's strong winds uprooted pecan trees in Tift County.
Pecan Dieback
Nearly a year after thousands of trees were destroyed by Hurricane Michael, Georgia pecan producers are reporting the dieback of pecan branches and leaf burning in trees that survived the October 2018 storm, according to Lenny Wells, University of Georgia Cooperative Extension pecan specialist.
Pictured is an image of cotton suspected of suffering from symptoms of Cotton Blue Disease. CAES News
Pictured is an image of cotton suspected of suffering from symptoms of Cotton Blue Disease.
Cotton Virus
Scientists from the University of Georgia College of Agricultural and Environmental Scientists are investigating the epidemiology of cotton leaf roll dwarf virus (CLRDV) in Georgia using a $75,000 grant jointly funded by the Georgia Cotton Commission and Cotton Incorporated.
Black shank disease turns tobacco leaves yellow and causes the plant to wilt and eventually die. CAES News
Black shank disease turns tobacco leaves yellow and causes the plant to wilt and eventually die.
Black Shank Disease
While most Georgia crops are suffering from the recent lack of rainfall across the state, tobacco farmers have some reason to celebrate. Three consecutive weeks of dry weather in May have curbed incidences of black shank disease, according to University of Georgia Cooperative Extension tobacco agronomist J. Michael Moore.
Pictured is what downy mildew disease looks like on a watermelon leaf. Downy mildew disease has been found in three southern Georgia counties so far this spring. CAES News
Pictured is what downy mildew disease looks like on a watermelon leaf. Downy mildew disease has been found in three southern Georgia counties so far this spring.
Downy Mildew
Georgia vegetable farmers should be on alert as downy mildew disease has been spotted in at least three southern Georgia counties this spring. Additional counties could follow as weather conditions remain favorable for the disease into early June, according to University of Georgia Cooperative Extension plant pathologist Bhabesh Dutta.
Abolfazl Hajihassani, the Extension vegetable nematologist on the UGA Tifton campus, recently conducted a survey to gauge the impact of nematodes in vegetable fields in south Georgia. CAES News
Abolfazl Hajihassani, the Extension vegetable nematologist on the UGA Tifton campus, recently conducted a survey to gauge the impact of nematodes in vegetable fields in south Georgia.
Nematode Impact
A recent University of Georgia Cooperative Extension survey of 431 Georgia vegetable fields found that more than 60% contained root-knot nematodes, tiny parasitic worms that feed on roots and destroy plants.