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Effects of DCPA on Winter Injury of Recently-Established Bermudagrass

Published online by Cambridge University Press:  12 June 2017

T. M. Fullerton ,
C. L. Murdoch ,
A. E. Spooner  and
R. E. Frans
T. M. Fullerton
Affiliation:
Department of Agronomy, University of Arkansas, Fayetteville, Arkansas
C. L. Murdoch
Affiliation:
University of Arkansas, Fayetteville, Arkansas
A. E. Spooner
Affiliation:
University of Arkansas, Fayetteville, Arkansas
R. E. Frans
Affiliation:
University of Arkansas, Fayetteville, Arkansas
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Abstract

The effect of dimethyl tetrachloroterephthalate (DCPA) applied during the establishment of Tifgreen bermudagrass (Cynodon dactylon (L.) Pers. X C. transvaalensis Burtt-Davy) on subsequent winter injury was studied. DCPA treatments to plots sprigged in July or later increased winter injury. DCPA applied in July, August, or September to plots planted in June resulted in approximately 15% of the turf being killed during the winter; however, DCPA applied before the middle of June did not significantly influence winter injury. Significant increases were found in total nitrogen, nitrate, amino acids, and protein of stolons harvested from DCPA-treated plots. These data suggest that DCPA treatments applied during establishment resulted in a less winter hardy condition by maintaining vegetative growth into the normal period of winter hardening.

Type
Research Article
Information
Weed Science , Volume 18 , Issue 6 , November 1970 , pp. 711 - 714
Copyright
Copyright © Weed Science Society of America 

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