外源海藻糖对家蚕抗性及主要经济指标作用的试验初报.pdfVIP

外源海藻糖对家蚕抗性及主要经济指标作用的 试验初报 肖丽蓉，张友洪，周安莲，肖文福，肖金树，何君 （四川省农业科学院蚕业研究所，637000 ） 摘 要 具有“生命之糖”美称的海藻糖，因具有广泛而独特的生物学特性，而受到各国研 究者的密切关注。目前关于海藻糖对植物抗逆性影响的研究较多，且均表明积极意义。其 诸多优点和特性，使其应用研究从植物延伸了到动物。本试验设置了两个浓度（10mM 和20mM） 的海藻糖溶液处理区和一个对照区，对现行家蚕杂交种菁松×皓月进行了添加试验，以初 步探索外源性海藻糖对家蚕的抗逆性是否具有积极的作用。试验结果显示：海藻糖的添加 缩短了上蔟经过，降低了茧丝纤度；提高了生存率、体重、四龄结茧率、普茧率、解舒率、 粒茧丝长和解舒丝长，其中大部分指标随海藻糖浓度的递增而递增。该实验表明外源性海 藻糖对提高家蚕抗逆性和丝质成绩具有积极作用。 关键词 外源海藻糖，家蚕，抗性，丝质成绩 Primary test on the role of exogenous trehalose to silkworms resistance and main economical traits Xiao Lirong ，Zhang Youhong ，Zhou Anlian ，Xiao Wenfu ，Xiao Jinshu ， He Jun (Institute of Sericulture , Sichuan Academy of Agricultural Sciences,Nanchong,Sichuan,637000) Abstract: With the good name of sugar of life, has a wide range of unique biological characteristics，the trehalose received close attention of the world. At present, there are mangy researchs on its impact of plants resistibility ，and all have be demonstrated to be positive. Because of many advantages and characteristics, the applied research of it extended from plants to animals. Two concentrations （10mM 和 20mM ）and a control have been set up in this test, regarding Jingsong×Haoyue, the existing hybrid of silkworm. The test has been done by trehalose solutions addition, to explore whether it has an active role on the resistance of silkworm in Preliminary. The test result shows that exogenous trehalose has positive significance in increasing the resistibility of silkworm, it says that: the addition of trehalose shortened duration of mounting, reduced the size of cocoon; it increased survival rate,body weight,cocooning ratio to the fourth instar larvae, percentage of common cocoon,reelability, per cocoons filament length and length of non-broken cocoon filament, and most of