Kết quả tìm kiếm - PENG Wen-jun
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Breeding and selection of high-yield and Varroa-resistant hybrids of honeybee—“HYR” and “JYR”
Được phát hành 2008-01-01lấy văn bảnQueens of three strains of western bees (Apis mellifera carnica, A. m. caucasica and PINGHU A. m. ligustica) were selected and used as main breeding materials. Three inbreeding lines (A, B and C) were developed by using instrumental insemination through systematic closing group reproduction assisted...
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