家蚕新品种“农科5号”湖州农村试养初报

Preliminary Report on Trial Rearing of New Silkworm Variety "Nong Ke No.5" in Huzhou Rural Areas

家蚕中丝量四元杂交新品种"农科5号"在湖州农村经过2017年秋期与2018年春期试验饲养,与现行品种"秋丰×白玉"相比,具有发育整齐、食桑旺盛、蚕体强健、特别是对血液型脓病的抗性较强、蚕体与茧形大、产茧量高、丝质成绩特别是净度好,适宜在湖州地区饲养。但要注意适时上蔟及相对降低上蔟密度。

A new silk hybrid of four-way crossing "Nong Ke No. 5" was reared in Huzhou rural area in autumn of 2017 and spring of 2018. Results showed that the new silkworm hybrid "Nong Ke No. 5" had the characteristics of uniformed development, vigorous eating habit, strong healthiness, especially strong resistance to Nuclear polyhedrosis viruses(NPV), large body size and cocoon shape, high cocoon yield, and good silk quality, especially excellent silk neatness. It is suitable to be distributed in Huzhou rural areas. However, attention should be paid to timely pick up the matured larvae and relative reduction of mature larval density in the mountage.