Esterase isozyme analysis of asiatic corn borer (Ostrinia furnacalis Guenee) populations from the Philippines and Japan
1994
Mendoza, E.M.T. | Demayo, C.G. | Garcia, R.N. | Legacion, D.M. (Philippines Univ. Los Banos, College, Laguna (Philippines). Inst. of Plant Breeding)
Thirteen genotypes of esterase-1 were observed in three populations of Asiatic corn borer, 11 for the Laguna populations with 5 alleles (t, u, v, w, x), 7 for Leyte with 6 alleles (t, u, v, w, x, y), 7 for Cotabato with 5 alleles (t, u, v, w, x). Only the Leyte population had the y allele. The Asiatic corn borer populations of Laguna and South Cotabato had heterozygosity values of 0.202 and 0.200 higher than that of Leyte with 0.162. The Laguna population was significantly different from that of Leyte and South Cotabato although the latter two were not significantly different from each other. The Japanese populations of corn borers from one site had six genotypes of esterase-1 with 4 alleles (t, u, v, w) and heterozygosity value of 0.286 and which were different from the genotypes of the Philippine populations
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