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Disease Control

5 things to know about cotton leafroll dwarf virus

CLRDV symptoms

Pathologists with Mississippi State University will be monitoring a relatively new plant disease in state cotton fields once the growing season is in full swing. Cotton leafroll dwarf virus, or CLRDV, was first reported in Alabama in 2017. It is closely related to a cotton virus known to occur in South America. Historically, that virus has caused up to 80% ... Read More »

CLRDV will be a factor in 2020 cotton production

clrdv

Cotton leaf roll dwarf virus is now considered part of the environment, according to Alabama Extension specialists and Auburn University researchers. The same disease that was first recognized in 2017, damaged fields near the Gulf Coast in late 2018 and was widely detected throughout the state in 2019 will likely impact cotton crops in 2020. Most researchers agree: The symptoms ... Read More »

Annual Wiregrass Cotton Expo slated for Feb. 14 in Dothan, Alabama

alabama extension logo

Genetics, profitability, crop management and soil fertility are a few of the topics on tap for discussion at the 2020 Wiregrass Cotton Expo. The annual event will be held Feb. 14 at the National Peanut Festival Fairgrounds in Dothan, Alabama. The expo is free to attend and will include several exhibitors and speakers presenting information on a variety of topics. ... Read More »

Detection of cotton leafroll dwarf virus in North Carolina

cotton blue disese

• By Anders Huseth • In late August 2019, cotton leafroll dwarf virus awas confirmed in a cotton sample submitted to Auburn University’s CLRDV working group. The sample was collected from a variety trial located at the Sandhills Research Station in Montgomery County, North Carolina. This is the first detection of this insect-transmitted plant virus in NC. Earlier in the ... Read More »

Assessing The 2019 Cotton Season

cotton gin

As I write this mid-November, harvest has not been progressing as expected in West Texas and the Rolling Plains, primarily due to unfavorable weather conditions. In the Rolling Plains of Texas, Dr. Emi Kimura reports from Vernon that their first freeze this year happened two weeks earlier than what would normally be expected. She does believe this has reduced the ... Read More »

2019 harvest progress snapshot

arkansas cotton harvest

In October, scientists from universities, the U.S. Department of Agriculture, seed companies, Cotton Incorporated and the National Cotton Council convened to discuss the knowns and unknowns about cotton leaf roll disease. Considerable information has been generated over the past year or so. Still, there is much to be determined. This viral disease was first identified from cotton in east central ... Read More »

Late season heat, dry weather aided Mississippi cotton

mississippi cotton

Parts of Mississippi’s landscape are turning white, but unlike some northern areas, this coloration is caused by cotton bolls opening for harvest, not snow accumulation. The U.S. Department of Agriculture estimated that nearly a quarter of Mississippi’s cotton crop had been harvested by Sept. 29. To date, 45% of the crop is rated in good condition and 39% fair. Cotton ... Read More »