作　　者： ; ; ; ; ; ; ; ; (李明汉）; (彭许增）; (文哲光）; (张永文）;

机构地区： 广东省农业科学院

出　　处： 《蚕业科学》 2002年第4期320-323,共4页

摘　　要： 采用人工诱导和杂交育种的方法 ,育成优质高产桑树三倍体杂交组合粤桑 2号 ,已通过全国农作物品种审定。该杂交组合的桑叶产量比对照组合塘 10×伦 10 9增加 11 1%,万蚕收茧量增加 6 4 %,万蚕茧层量增加7 8%,5 0kg桑产茧量增加 7 6 %,6 6 7m2 桑园产值增加 2 5 4 %。 Mulberry polyploid hybridized combination 'Yuesang No.2' (2 x×4 x) was bred with the methods of artificial induction and cross breeding.'Yuesang No.2' showed good quality and high leaf yield and has been approved by National Crop Variety Eveluation Commissions.The mulberry leaves yield of 'Yuesang No.2' per hm 2 increased by 11.1 % compared to Tang10×Lun109.The cocoon crop and cocoon shell weight of 10 000 silkworms reared with 'Yuesang No.2' were 6.4% and 7.8% higher than that of the control respectively.The cocoon crop of 50 kg leaves and the output value of per 667 m 2 increased by 7.6% and 25.4% respectively compared to Tang10×Lun109.

关 键 词： 三倍体杂交组合 粤桑 号 桑树 选育 桑叶产量 特征特性 栽培要点

领　　域： [农业科学] [农业科学]