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  1. Vol. 16 No. 4, p. 602-603
     
    Received: Feb 7, 1976
    Published: July, 1976


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doi:10.2135/cropsci1976.0011183X001600040048x

Differential Response to Hail Damage among Pima Cotton Strains1

  1. D. L. Kittock,
  2. C. V. Feaster and
  3. E. L. Turcotte2

Abstract

Abstract

Large differences in vegetative regrowth among nine cultivars were noted in an American Pima cotton (Gossypium barbadense L.) regional test after severe hail damage on 22 July 1974. These differences were correlated negatively with the lint yield of the same cultivars in a nearby, undamaged, Pima cotton regional test. Correlations of number of new leaves and dry weight of new leaves 5 weeks after hail with lint yield on the undamaged test were −0.84 and −0.91, respectively. Theories on transport and utilization of photosynthate in cotton were used to explain differences in recovery among cultivars.

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