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Metam-sodium kills beneficial soil fungi as well as cotton pests

By R. Michael Davis, J. Joe Nunez, Ron N. Vargas, Bill Weir, Steve D. Wright and Doug J. Munier


Mycorrhizal fungi colonize cotton roots and stimulate plant growth by absorbing minerals from the soil. These beneficial fungi can be adversely affected by metam-sodium, a soil-applied general biocide frequently used for weed control in cotton. Although metam-sodium also kills disease-causing fungi that reduce cotton stands, the advantages of pest control with metam-sodium must be weighed against added fertilizer costs needed to offset the loss of mycorrhizae

Topics: Agriculture, S, Agriculture (General), S1-972
Publisher: University of California Agriculture and Natural Resources
Year: 1996
DOI identifier: 10.3733/ca.v050n05p42
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