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Root Knot Nematode (Meloidogyne incognita) Control and Carryover Effects of Telone II (1,3- Dichloropropene) in Cotton in Ashley County, Arkansas

Kenneth R. Williams, Terry Kirkpatrick, Bruce Bond and Jim Jaggers


ABSTRACT

Root knot nematode (Meloidogyne incognita) surveys conducted over several years show over 50 % of cotton fields in Ashley County, Arkansas are infested. Control with Telone II is new to the area with questions on rates, and carryover among others. Telone II applied at 3 gallons/acre in replicated plots in 2000, showed an increase in lint cotton yield of 191 pounds over the check. In 2001 Telone II applied at 1.5, 3.0 and 4.5 gallons per acre showed significant increases in yield over the check at 1.5 gallons and then again 3.0 gallons, but did not significantly increase yields at 4.5 gallons/acre over the 3.0 gallon rate. Results of the carryover effect of Telone II conducted on the location of the 2000 plots showed that the effects of Telone II did not carryover into 2001.





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Document last modified May 20, 2002