Genetic Analysis for Development of Rice Hybrids for South Asia (Paperback)

Combining ability analysis revealed importance of non-additive gene action in the expression of various yield contributing characters.The results indicated that the UPR 3406-7-2-2 (L5 ) and UPR 3413-15-2-1 (L28 ) were the best general combiners among lines as evident from significant GCA effects for ten characters. The best heterotic hybrids, UPR 3434-6-2-1x UPRI 95167 (L32 x T1), UPRI 2008-5 x IR 58025A (L33x T2) and UPR 3528-8-1-2x UPRI 95167 (L36x T1) in normal conditions expressing higher SCA effects and per se performance, were also involved good/ good combining parents into them. The crosses, L32 x T1, L33x T2 and L36x T1 involving good/good combining parents were suggested to exploitation for isolating high yielding pure lines and/or for straight use in hybrid breeding. On the basis of spikelet fertility percent, indica lines were grouped as maintainer, restorer and partial restorer / maintainer lines. Among 50 indica lines only 3 lines (L31, L37 and L42) behave like a maintainer with both of CMS lines (IR 58025A and Pusa 6A),19 lines behave like a restorer with both of CMS (IR58025A and Pusa 6A) lines and rest behave like partial restorer / maintainer lines."

General

Imprint:	Lap Lambert Academic Publishing
Country of origin:	United States
Release date:	February 2013
First published:	February 2013
Authors:	Mohd Arif Khan • Shilpi Malik
Editors:	Surendra Singh
Dimensions:	229 x 152 x 9mm (L x W x T)
Format:	Paperback - Trade
Pages:	152
ISBN-13:	978-3-659-34743-6
Categories:	Books > Professional & Technical > Agriculture & farming > Horticulture > General
LSN:	3-659-34743-4
Barcode:	9783659347436

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