PATTERN OF SEGREGATION IN THE F2 PROGENIES OF
RICE.

R. MARIMUTHI; S. RAJASEKARAN and V. SIVASUBRAMANIAN

doi:https://doi.org/10.29321/MAJ.10.A02005

Madras Agricultural Journal

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PATTERN OF SEGREGATION IN THE F2 PROGENIES OF RICE.

Author: R. MARIMUTHI, S. RAJASEKARAN and V. SIVASUBRAMANIAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 77, Issue: sep-dec,

DOI:https://doi.org/10.29321/MAJ.10.A02005

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Abstract

The pattern of transgressive segregation in the crosses was positive in respect of days to flowering, panicle length, grain number per panicle and 100 grain weight, while it showed a negative trend for plant height. Early duration and high yielding segregants were predominant in the cross, Co 37/ADT 16. Four crosses viz., ADT 16/Co 33, Co 33/ADT 16, Co 37/ADT 16 and ADT 16/Co 37 recorded high percentage of late duration and high yielding segregants, while the cross Co 33/ADT 16 yielded a large number of transgressive segregants with profuse tillering, increased number of grains, high grain weight and high yield.

Keywords: Rice, Segregation pattern

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