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Weed Control Methods for Kinkaoil, Kenaf, and Sunn Crotalaria 1
Author(s) -
Burnside O. C.,
Williams J. H.
Publication year - 1968
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1968.00021962006000020005x
Subject(s) - crotalaria juncea , kenaf , trifluralin , crotalaria , agronomy , weed control , hibiscus , biology , weed , horticulture , chemistry , green manure , organic chemistry , fiber
These studies deal with mechanical, cultural, and chemical weed control methods that will selectively control weeds in kinkaoil ( Vernonia anthelmintica Willd.), kenaf ( Hibiscus cannabinus L.), and sunn crotalaria ( Crotalaria juncea L.). Sunn crotalaria was most competitive, followed closely by kenaf, with kinkaoil being a very poor competitor to the annual weeds present. The most selective herbicide for these crops was α,α,α,‐trifluro‐2,6‐dinitro‐N,N‐dipropyl‐p‐toluidine (trifluralin). The crops can be ranked from most to least tolerant to trifluralin as follows: kenaf, sunn crotalaria, and kinkaoil. A combination of cultivation plus trifluralin gave the most effective and consistent weed control in the seed crop, kinkaoil, and the pulp crops, kenaf and sunn crotalaria.