Indian Society of Genetics & Plant Breeding

Breeding for photo-period insensitivity and fibre yield in capsularis jute (Corchorus capsularis L.)

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The photo-period insensitive mutant (0-18-7) and sensitive
variety (JRC 7447) of capsularis jute (Corchorus capsularis
L.) were crossed to raise F1 hybrid. The F1 plants had
flower initiation in almost same duration as in sensitive
parent showing dominance of sensitiveness to
insensitiveness. From segregating F2 population two
recombinants (0 90 and 0 110) were selected that flowered
in 90 and 110 days respectively. Pedigree selection
continued till the flowering habit was stable. These two
selections and three sensitive varieties (JRC 7447, JRC
212 and JRC 321) were sown every month round the
year. The selections flowered almost in 90 and 110 days
respectively while the sensitive varieties had variation in
flowering time for different sowing times. Yield trials twice
in April and once in June registered superiority of these
two selections at 100-day harvest in April trials and that
of 0 110 at 120 day harvest, to the control.

Keywords: Jute, recombinants, photo-period insensitivity, fibre yield


Year: 2002
Volume: 62
Issue: 3
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906



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