摘 要: | (1)(2)(3) 试验研究南海县水幕式除蛾毛机试验……(1一8).比较不同方法估算家蚕数量性状的遗传力及遗传相关“········,····~……(2一4)夏蚕饲养二化白茧种研究—桑蚕夏养二化白茧种桑叶五龄定量少回育试验·····················……(2一7)二化性白茧种浸温水孵化试验(预报)......................……,··.····……(2一10)3%吠喃丹颗粒剂对桑蚕的毒力测定(初报).·······························一(2一13)桑树连续长留大树尾高产栽培试验..........................…
|