Indian Society of Genetics & Plant Breeding

ISOZYME VARIATION IN MUSKMELON (CUCUMIS MELD L.)

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Isozyme variation in 32 melon varieties was studied for the enzyme systems esterase (EST),
peroxidase (PRX), glutamate oxaloacetate transaminase (GOT), and glutamate
dehydrogenase (GDH). Three out of the 14 loci scored, were dimorphic with two alleles at
each locus. The remaining 11 loci were monomorphic. While both the alleles at the PRX2
locus were fairly well distributed in the collections studied, the varian t alleles GOT2b and
ESTlb were confined to Indian nondessert and semiwild colledions (Phut and Kachri,
respectively). Ace. 566, catalogued as C. melo var. callosus, was unique in possessing all the
variant alleles identified in the present study.  

Keywords: Cucumis me/o, isozyme variation, genetic distance, wild Cucumis ssp.

Info

Year: 1991
Volume: 51
Issue: 4
 Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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