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Tolerance of Yuchi Arrowleaf Clover to Herbicides

  • Gale A. Buchanan (a1) and Carl S. Hoveland (a1)

Abstract

Tolerance of Yuchi arrowleaf clover (Trifolium vesiculosum Savi) to preemergence application of dimethyl tetrachloroterephthalate (DCPA) and isopropyl m-chlorocarbanilate (chlorpropham) and preplant incorporation of N-butyl-N-ethyl-a,a,a-trifluoro-2,6-dinitro-p-toluidine (benefin), 4-(methylsulfonyl)-2,6-dinitro-N,N-dipropylaniline (nitralin), S-ethyl dipropylthiocarbamate (EPTC), and S-propyl dipropylthiocarbamate (vernolate) were evaluated over a 3-year period on two soils. DCPA did not injure Yuchi arrowleaf clover in any experiments over the 3-year period. Lower rates of benefin and chlorpropham caused either moderate or no injury depending upon the year and location. Yield reductions of Yuchi clover generally were greater on the Norfolk than on the Lucedale soil. Early injury, as reflected by the first forage harvest, was transitory in many instances.

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Tolerance of Yuchi Arrowleaf Clover to Herbicides

  • Gale A. Buchanan (a1) and Carl S. Hoveland (a1)

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