桑园不同栽植密度对种茧育的影响  

Effect of the Planting Density of Mulberry Field on Parent Silkworm Rearing

作　　者：王泽林[1] 朱军[1] 李永健[1] 

机构地区：[1]四川省南充蚕种场,南充637000

出　　处：《蚕桑通报》2001年第4期16-18,共3页Bulletin of Sericulture

摘　　要：试验结果表明 :在其它条件相同的情况下 ,栽植密度为600株/667m2 ,能极显著地提高种茧的全茧量、茧层量、产卵量和良卵率 ,适当提高原蚕的四龄结茧率和虫蛹统一生命率 。The results of the experiment show when the planting density is 600 plants per 667m2, it will improve the property of whole cocoon weight, cocoon shell weight, weight of produced eggs and percentage of good eggs very significantly. It also can increase the cocooning ratio to the fourth instar larvae, and larva-pupa survival rate significantly.

关 键 词：桑树 栽植密度 种茧育 全茧量 茧层量 产卵量 良卵率 

分 类 号：S888.4[农业科学—特种经济动物饲养]