杂交蚕种
- 网络hybrid seed of silkworm
杂交蚕种-
对杂交蚕种生产中的家蚕微粒子病发生和流行情况进行了数量统计分析。
The occurrence and epizootic of the pebrine were investigated in silkworm hybrid eggs production on different area and year .
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在这一时期日本先进的蚕种育种、人工孵化等技术传入苏南地区，1924年蚕种场开始生产推广第一代杂交蚕种。
During this period , the Japanese advanced silkworm breeding , artificial incubation , technology transfer to Southern Jiangsu . They promote first-generation hybrid silkworm eggs in 1924 .
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家蚕杂交种的杂交率是蚕种质量的必检项目。
The silkworm egg hybrid rate must be examined to ensure the silkworm egg 's quality .