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Response of Selected and Random Plantings of Johnsongrass to Dalapon

Published online by Cambridge University Press:  12 June 2017

K. C. Hamilton  and
H. Tucker
K. C. Hamilton
Affiliation:
Arizona Agricultural Experiment Station, Tucson
H. Tucker
Affiliation:
Arizona Agricultural Experiment Station, Tucson
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Abstract

Five strains of Johnsongrass [Sorghum halepense (L.) Pers.] in selected and random plantings received repeated foliar applications of 2,2-dichloropropionic acid (dalapon). For three characters studied, the residual variance was less with selected plantings than with random plantings. Johnsongrass strains differed in their response to dalapon.

Type
Research Article
Information
Weeds , Volume 12 , Issue 3 , July 1964 , pp. 220 - 222
Copyright
Copyright © 1964 Weed Science Society of America 

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References

Literature Cited

1. Buchholtz, K. P. 1958. Variations in the sensitivity of clones of quackgrass to dalapon. Proc. NCWCC 15:18–19.Google Scholar
2. Hamilton, K. C. 1961. Two factors influencing the effectiveness of dalapon applied to clumps of Johnsongrass in cotton fields. Res. Prog. Report WWCC p. 2–4.Google Scholar
3. Rochecouste, E. 1962. Studies on the biotypes of Cynodon dactylon (L.) Pers. II. Growth response to trichloroacetic and 2,2-dichloropropionic acids. Weed Res. 2:136–145.CrossRefGoogle Scholar