research article
Watergrass control in rice
authors
Kenneth L. Viste, University of California
publication information
California Agriculture 16(3):4-4. DOI: 10.3733/ca.v016n03p4.
author affiliations
Kenneth L. Viste, Crops Research Division, Agricultural Research service, U. S. Department of Agriculture, Department of Agronomy, University of California, Davis.
abstract
Abstract Not Available – First paragraph follows:
Two years of field experiments have shown that 3,4-dichloro propionanilide (DPA) can selectively control watergrass, Echinochloa crusgalli (L.) Beauv. in rice when used as a foliage spray. In 1960 yields of rice were increased by as much as 4,700 pounds per acre as a result of weed control from DPA applied at rates of 2, 4, and 8 pounds per acre. The only injuries observed were necrotic areas at the tips of rice leaves. In no case was subsequent growth of rice adversely affected by treatments.
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