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This article in CS

  1. Vol. 7 No. 5, p. 516-518
     
    Received: Mar 29, 1967


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doi:10.2135/cropsci1967.0011183X000700050032x

Effects of Sodium 2,3-dichloroisobutyrate Sprays on Anther Development and Microsporogenesis of Fenu-greek (Trigonella foenum-graecum L.)1

  1. C. L. Kaul and
  2. S. P. Singh2

Abstract

Abstract

Comparative cytological and histological studies were made of anthers from untreated and sodium 2,3-dichloroisobutyrate treated plants of fenu-greek (Trigonella foenum-graecum L.). Early stages of anther development, meiosis, and microspore formation was similar in both cases. Microspores in untreated plants continued to enlarge and formed mature pollen grains, whereas micro spores from treated plants degenerated. The degeneration of microspores was believed to result from the combined effect of competition from persistent tapetal cells and mechanical pressure exerted by hypertrophied tapetal cells.

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