Low-cost interlinear silkworm hybrid breeding method
A cost sheet, silkworm technology, applied in animal husbandry and other directions, can solve the problems of low labor incidence, no application examples, poor economic properties, etc., to achieve high feed efficiency and reduce seed production costs.
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specific Embodiment approach 1
[0016] Specific implementation mode one: the implementation mode of parent selection for single-cross seed production
[0017] (1) Carry out test crossing with common silkworm varieties, find out the double cross combinations with particularly good comprehensive economic traits in the first cross, and then determine the improved parents for transfer according to the excellent cross combinations screened out;
[0018] (2) The practical hatching rate of artificial non-meiotic parthenogenesis of ordinary silkworm species is very low due to no special selection, so the first step is to combine the parent with the existing non-meiotic parthenogenesis with high hatching rate. Germline backcrossing, and then selection, can also be used to breed new artificial non-meiotic parthenogenetic silkworm varieties with excellent practical economic traits and hatching rate above 50%; or through selection, gradually improve the parthenogenicity of existing varieties. ...
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Abstract
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