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Weed Competition in Rice

Published online by Cambridge University Press:  12 June 2017

Roy J. Smith Jr.
Roy J. Smith Jr.*
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Stuttgart, Arkansas
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Abstract

Barnyardgrass [Echinochloa crusgalli (L.) Beauv.], duck-salad [Heteranthera limosa (Sw.) Willd.], hemp sesbania [Sesbania exaltata (Raf.) Cory], and northern jointvetch [Aeschynomene virginica (L.) B.S.P.] significantly reduced rice [Oryza sativa L.] yields. Damage to rice increased as populations of barnyardgrass, hemp sesbania, and northern jointvetch increased. Barnyardgrass and duck-salad lowered yields during early season, but hemp sesbania and northern jointvetch decreased yields in late season.

Information

Type
Research Article
Information
Weed Science , Volume 16 , Issue 2 , April 1968, pp. 252 - 255
Copyright
Copyright © Weed Science Society of America 

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References

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