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天然黄色茧家蚕品种桂蚕H9选育研究

ISSN号：1006-1657
期刊名称：《广西蚕业》
时间：0
分类：S882.2[农业科学—特种经济动物饲养;农业科学—畜牧兽医]
作者机构：[1]广西蚕业技术推广总站,南宁市530007
相关基金：广西科技厅资助项目《亚热带天然黄色茧桑蚕品种研字》,合同编号：2007-特-02

作者：闭立辉[1], 顾家栋[1], 韦博尤[1], 祁广军[1], 苏红梅[1], 蒙艺英[1], 黄玲莉[1], 张桂征[1], 张雨丽[1], 黄文功[1]

关键词：家蚕品种, 天然黄色茧, 桂蚕H9, 选育, silkworm variety , natural yellow cocoon , Guican H9 , breeding

中文摘要：

桂蚕H9是广西蚕业技术推广总站选配育成的强健性夏秋用特殊用途家蚕新品种。在省级实验室联合鉴定中，结茧率为97．29％，虫蛹率为95．99％，一茧丝长为849．51m，解舒率为74．09％，净度为91．84分。省级农村联合鉴定中，单张产茧量为31．47kg，一茧丝长为712．0m，解舒率为68．06％，净度为92．26分。与现行品种两广二号相比，结茧率、虫蛹率等强健性方面两者相仿，产量、一茧丝长、净度等主要经济性状均略低。天然黄色茧率100％，且茧色较均匀，是一对强健性天然黄色茧特殊用途蚕品种。2012年6月通过广西农作物品种审定委员会审定。

英文摘要：

Guican H9, matched and incubated by Guangxi Sericulture Technology Extension Station, was the new robustness silkworm variety used in summer and autumn for special purposes. The results of its cocooning rate, larva-pupa rate, filament length of a cocoon, reelability and neatness were 97.29%, 95.99%, 849.51m, 74.09% and 91.84 points, respectively in the joint identification of provincial laboratory, while the results in the joint identification of provincial countryside were like this： 31.47 kg of leaflets produced cocoon, 712.0m of fila-ment length of a cocoon, 68.06% of reelability and 92.26 points of neatness. Compared with the current promo- tion variety Liangguang Ⅱ, the differences of cocooniug rate, larva-pupa rate and other robustness traits weren＇t significant, but the major economic traits like yield, filament length of a cocoon and neatness were all slightly lower. Rate of natural yellow cocoon was 100%, and the cocoon color was uniform, suggesting that it was a new robustness silkworm variety for special purposes, thus it was validated by Guangxi Crop Variety Approval Com-mittee in June 2012.