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Control of Red Rice (Oryza sativa) in Water-Seeded Rice (O. sativa)

Published online by Cambridge University Press:  12 June 2017

Roy J. Smith Jr.
Roy J. Smith Jr.*
Affiliation:
Sci. Ed. Admin., U.S. Dep. Agric., Stuttgart, AR 72160
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Abstract

Field research was conducted in 1973, 1974, 1977, and 1978 to compare water-culture practices and rates of molinate (S-ethyl hexahydro-1H-azepine-1-carbothioate) for control of “strawhull” red rice (Oryza sativa L.) in water-seeded rice (O. sativa L.). Water-culture treatments (continuously drained, alternately drained and flooded, or continuously flooded during the first 28 days after seeding) alone, or preplant, soil-incorporated treatments of molinate (3.4, 4.5, and 6.7 kg/ha) alone did not control red rice. Treatments of preplant-incorporated molinate at 4.5 and 6.7 kg/ha in a continuously flooded culture or 6.7 kg/ha in an alternately drained-flooded culture controlled 87 to 93% of the red rice and permitted production of satisfactory yields of high quality rice grain.

Keywords

Weed controlherbicidesmolinatewater managementflooding
Type
Research Article
Information
Weed Science , Volume 29 , Issue 6 , November 1981 , pp. 663 - 666
Copyright
Copyright © 1981 by the Weed Science Society of America 

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References

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