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Winter Wheat (Triticum aestivum) Response to Picloram and 2,4-D

Published online by Cambridge University Press:  12 June 2017

David C. Heering  and
Thomas F. Peeper
David C. Heering
Affiliation:
Dep. Agron., Okla. State Univ., Stillwater, OK 74078
Thomas F. Peeper
Affiliation:
Dep. Agron., Okla. State Univ., Stillwater, OK 74078
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Abstract

Postemergence spring applications of picloram and picloram plus 2,4-D frequently reduced mature height and peduncle length of hard red winter wheat in field experiments. Yield reductions were more severe from picloram applied alone to the first joint growth stage than late tillering stage wheat. In two of six experiments picloram plus 2,4-D reduced yield more than picloram alone. Yields of four wheat cultivars were reduced by picloram and picloram plus 2,4-D at one of two locations. At the second location only the yield of ‘Chisholm’ and ‘Rohm and Haas Seed 7837’ were reduced by those herbicides.

Keywords

Picloram, 4-amino-3,5,6-trichloro-2-pyridinecarboxylic acid2,4-D, (2,4-dichlorophenoxy)acetic acidwheat, Triticum aestivum L.Cultivar tolerance
Type
Research
Information
Weed Technology , Volume 5 , Issue 2 , June 1991 , pp. 317 - 320
Copyright
Copyright © 1991 Weed Science Society of America 

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