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Legume Research

IDENTIFICATION AND ISOLATION OF HIGH YIELDING MUTANTS IN GRASSPEA (LATHYRUS SATIVUS L.)

Article Id: ARCC1296 | Page : 140 - 142
Citation :- IDENTIFICATION AND ISOLATION OF HIGH YIELDING MUTANTS IN GRASSPEA (LATHYRUS SATIVUS L.).Legume Research.2010.(33):140 - 142
S.K. Tripathy and D.Lenka
Address : Department of Plant Breeding and Genetics, College of Agricultural, OUAT, Bhubaneswar-751 003, India

Abstract

Seed treatment in grasspea (var, Dhenkanal local) with gamma-rays at 10, 40 and
70kR; EMS at 0.2, 0.4 and 0.6% NG at 0.01, 0.02 and 0.03% and combinations led to
the isolation of some high yielding micro-mutants by stringent selection on
macromutational M2 families followed by selection based on selection indices in M3.
NG at 0.02-0.03% was found to be the most potent to induce high yielding micromutants,
vig. a few of which harbour neurotoxin less than 0.1%.

Keywords

Gamma-rays Ethyl methanesulfonate (EMS) N-ethy-N-Nitro-N-nitrosoguanidine
(NG) Lathyrus sativus B-N-oxalyl-aminoalanine (BOAA)

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