Susceptibility of Bermudagrass (Cynodon dactylon) Biotypes to Several Herbicides

Author:

Bryson Charles T.,Wills Gene D.

Abstract

Field experiments were conducted in 1982 and 1983 at Stoneville, MS, to determine the susceptibility of 17 biotypes of bermudagrass [Cynodon dactylon(L.) Pers. ♯ CYNDA] to seven postemergence herbicides. Control, averaged over all biotypes 13 weeks after treatment, varied from 96% using haloxyfop {2-[4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acid} at 0.56 kg/ha to 16% using fenoxaprop {(±)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acid} at 0.28 kg/ha. Control among biotypes ranged from 89 to 96% using haloxyfop at 0.56 kg/ha and from 4 to 89% using dalapon (2,2-dichloropropanoic acid) at 11.2 kg/ha.

Publisher

Cambridge University Press (CUP)

Subject

Plant Science,Agronomy and Crop Science

Reference20 articles.

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4. Mention of a trademark or proprietary product does not constitute a guarantee or warranty of the product by the U.S. Dep. Agric, and does not imply its approval to the exclusion of other products that may also be suitable.

5. Anon. 1960. Strains of bermudagrass vary in herbicide tolerance. Rep. Hawaiian Sugar Exp. Stn. Page 74.

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