Abstract
A backcrossed population (BC1) was derived from a cross between C100 and Dazao. AFLP technique was employed for mapping the QTLs. The QTLs for the whole cocoon weight, cocoon shell weight, ratio of cocoon shell, weight of pupae etc. were analyzed and 11 QTLs were detected based on the constructed linkage map. Two QTLs for whole cocoon weight were localized on linkage group 6 and 19; three QTLs for cocoon shell weight were localized on linkage group 3, 14 and 19; three QTLs for ratio of cocoon shell were localized on the linkage group 2, 11 and 15, and three QTLs for the weight of pupae were localized on linkage 2, 14 and 19. All these have laid an important base for the marker assisted breeding of the silkworm.
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