peer-reviewed research article
Water stress during flowering of cotton
authors
D. W. Grimes, San Joaquin Valley Agricultural Research and Extension Center, Reedley
R. J. Miller, West Side Field Station, Five Points
L. Dickens, Department of Water Science and Engineering, University of California, Davis (located at U. S. Cotton Research Station, Shafter).
publication information
California Agriculture 24(3):4-6. DOI: 10.3733/ca.v024n03p4.
author affiliations
D. W. Grimes is Assistant Water Scientist, San Joaquin Valley Agricultural Research and Extension Center, Reedley; R. J. Miller is Associate Water Scientist West Side Field Station, Five Points; L. Dickens is Laboratory Technician, Department of Water Science and Engineering, University of California, Davis (located at U. S. Cotton Research Station, Shafter).
abstract
A severe plant water deficit imposed for nine days during the peak flowering period of cotton reduced yield more than stress periods of comparable length imposed either early or late in the flowering period. Water stress occurring early in the flowering period reduced yields by increasing shedding of squares before they flowered. Stress late in the flowering period reduced flowering rates and boll retention.
author notes
Research from which this report was prepared was supported in part by a grant from the California Planting Cotton Seed Distributors.
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