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Chemical Weed Control in Tall Bearded Iris

Published online by Cambridge University Press:  12 June 2017

D. C. Milbocker
D. C. Milbocker*
Affiliation:
Dep. of Hort., Univ. of Kentucky, Lexington, Ky. 40506
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Abstract

Fall-applied 2-chloro-4,6-bis(ethylamino)-s-triazine (simazine) and α,α,α-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine (trifluralin) satisfactorily controlled annual and biennial weeds in tall bearded iris (Iris germanica L.). Increased application rates improved control of semitolerant weeds. Trifluralin controlled grass weeds better than simazine. Simazine caused leaf tip and root necrosis, and trifluralin prevented root growth of iris plants when incorporated in the root zone at high rates of application.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 3 , May 1973 , pp. 258 - 260
Copyright
Copyright © 1973 Weed Science Society of America 

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References

Literature Cited

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