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Topical Applications of DSMA and MSMA in Irrigated Cotton

Published online by Cambridge University Press:  12 June 2017

H. F. Arle  and
K. C. Hamilton
H. F. Arle
Affiliation:
Plant Sci. Res. Div., Agr. Res. Ser., U. S. Dep. of Agr., Phoenix, Arizona 85040
K. C. Hamilton
Affiliation:
Arizona Agr. Exp. Sta., Tucson, Arizona 85721
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Abstract

Single topical applications of monosodium methanearsonate (MSMA) affected cotton (Gossypium hirsutum L.) growth more than did similar disodium methanearsonate (DSMA) applications. There was usually no difference in yield among rates and dates with single applications of DSMA. Single applications of MSMA at later dates and higher rates reduced yields. Repeated topical applications of MSMA reduced yields and affected boll weight, lint percentage, number of seed per boll, and fiber fineness as compared with these properties of cotton treated once with MSMA. Response of cotton to MSMA was related to the number of applications and rate of herbicide. Repeated applications of DSMA affected cotton yield, lint percentage, and number of seed per boll less than did MSMA.

Type
Research Article
Information
Weed Science , Volume 19 , Issue 5 , September 1971 , pp. 545 - 547
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

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