【摘要】 余杭市1996年开始引进和推广夏秋蚕新品种芳草×晨·星。经一年3期蚕的小区试验、定点蚕户对比试验和面上推广抽样调查，表明新品种具有较强的抗氟性和抗逆性，盒种产茧提高7％以上，盒种增收20－45元。1997年准备进一步扩大推广数量。更多还原

【Abstract】 Yuhang city began to introduce and rear a new silkworm variety for Summer-autumn Rearing, Fangcao ×Chen·Xing in 1996. It demonstrated that the new var1ety pos-sess strong reslstance to fluoride and other disadvantageous factors,and the yield of cocoonraised more than 7% per box,income enhanced RMB 20-45 yuan per box by pot and con-trast experiment,and sampling survey. In 1997,the amount of rearing eggs is going to be ex-panded further.更多还原