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Induced potential for male sex expression inRicinus communis L. by ethyl hydrogen-1-propylphosphonate

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Summary

Spray application of ethyl hydrogen-1-propylphosphonate (NIA 10637) to juvenile plants ofRicinus communis L. at concentrations ranging from 4,000 to 16,000 ppm caused a change in the normal pattern of sex expression resulting in the transformation of the female into male flowers. Intergrades of sex expression were observed in plants treated with 4,000 and 8,000 ppm of the chemical and the plants were wholly male in those that had received 16,000 ppm, but showing delay in flowering. Pollen sterility was observed in the treated plants.

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Abbreviations

CEPA:

(2-Chloroethyl)phosphonic acid

TIBA:

2,3,5-triiodobenzoic acid

CCC:

(2-chloroethyl)trimethylammonium chloride

GA3 :

gibberellic acid

Kn:

kinetin

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Author notes

  1. Helena V. Philipos

    Present address: Bio-Organic Division, Bhabha Atomic Research Centre, Trombay, Bombay, India

Authors and Affiliations

  1. Bio-Organic Division, Bhabha Atomic Research Centre, Trombay, Bombay, India

    S. Narayanaswamy

Authors
  1. Helena V. Philipos
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  2. S. Narayanaswamy
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Philipos, H.V., Narayanaswamy, S. Induced potential for male sex expression inRicinus communis L. by ethyl hydrogen-1-propylphosphonate. Protoplasma 87, 71–77 (1976). https://doi.org/10.1007/BF01623959

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  • DOI: https://doi.org/10.1007/BF01623959

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