Production of cotton fibers with improved fiber characteristics

Details Production of cotton fibers with improved fiber characteristics Production of cotton fibers with improved fiber characteristics

1995-02-21

1999-03-09

Clardy, S. Mark

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504393, 47 5, A01N 4304

Patent

active

058801103

ABSTRACT:
Methods are disclosed to achieve an improvement in the characteristics and yield of cotton fibers. In one method, a cotton plant of the genus Gossypium in seed form or in growth stage is treated with a brassinosteroid. In another method, an ovule culture is prepared from a cotton plant of the genus Gossypium in a brassinosteroid-containing liquid medium. Cotton fibers with improved fiber characteristics are obtained from the cotton bolls of the treated plant or from the cultured ovules. Also disclosed are a method for inducing specific genes expression in a cotton plant to produce cotton fibers with improved fiber characteristics by treatment with a brassinosteroid, and a cotton plant produced by this method; as well as a novel gene capable of changing the degree of its expression found in the ovules of a cotton plant treated with a brassinosteroid, a gene capable of hybridizing with this novel gene, a recombinant plasmid containing this novel gene, a transformant containing this recombinant plasmid, and the like.

REFERENCES:
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patent: 4591650 (1986-05-01), Kerb et al.
Gross et al. J. Plant Growth Regulation 13:93,97-99. "Novel Natural Substances Acting in Plant Growth Regulation". 1994.
Kazuhide Okazawa et al., "Molecular Cloning and cDNA Sequencing of Endoxyloglucan Transferase, a Novel Class of Glycosyltransferase That Mediates Molecular Grafting Between Matrix Polysaccharides in Plant Cell Walls," Jun. 30, 1993, The Journal of Biological Chemistry, vol. 268, No. 34, pp. 25364-25368.
J. Huazhong Agricultural Unversity, 3, 11(1), pp. 41-47 (1992).
Plant Physiology Communications, 28(1), pp. 15-18 (1992).
Plant Physiology Communications, (5), pp. 31-34 (1988).

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