不同诱变处理对苦荬菜M1代农艺性状和品质影响的初报  

A preliminary study on effect of feeding characters and quality traits in M1 of Lactuca indica by different mutation treatments

作　　者：唐凤兰[1] 刘丽[2] 陈积山[1] 张月学[1] 韩微波[1] 刘杰淋[1] 刘风岐[1] 

机构地区：[1]黑龙江省农业科学院草业研究所,黑龙江哈尔滨150086 [2]哈尔滨师范大学,黑龙江哈尔滨150086

出　　处：《草业学报》2010年第2期248-252,共5页Acta Prataculturae Sinica

基　　金：国家牧草产业技术体系(nyhyzx07-022);国家科技支撑计划(2008BAD97B07);国家科技支撑计划(2008BADB3B09-04)资助

摘　　要：利用空间飞行(aerospace flight,AF)和60Co-γ射线分别处理苦荬菜干种子,比较分析其M1代与对照(CK)的7个主要农艺性状和品质构成因子。结果表明,发芽率、发芽势、株高、产量、粗纤维、粗蛋白存在显著差异(P<0.05),粗脂肪差异不显著。相关性分析发芽率、发芽势、产量三者之间存在极显著相关(P<0.01);株高、粗脂肪、粗蛋白存在显著相关(P<0.05);产量与粗脂肪呈极显著相关性(P<0.01)。主成分分析表明,苦荬菜M1代突变群体的变异主要通过产量因子、品质因子2主成分体现出来(累积贡献率达86.446 1%),选用空间飞行和60Co-γ射线20 Gy处理的后代作为育种材料最好。Dry seeds of Lactuca indica in aerospace flight（AF） were irradiated with different doses of 60Co-γ rays and were used to compare and analyze seven main feeding characters and quality traits in the M1 of L.indica.There were significant differences in the rate of germination,germination potential,height,yield,crude fiber,and crude protein（P〈0.05） without crude fat.The rate of germination was significantly correlated with germination potential and yield（P〈0.05）.The height was significantly correlated with crude fat and crude protein（P〈0.05）.The yield was significantly correlated with crude fat（P〈0.05）.The results of principal component analysis showed that the cumulative ratio of contribution of 86.446 1% comes from plant yield factors and plant quality factors.The results showed that use of AF and 20 Gy of 60Co-γ rays treatment is important because it is a better way to cultivate new varieties.

关 键 词：苦荬菜 空间飞行 60Co-γ射线 相关分析 主成分分析 

分 类 号：S548[农业科学—作物学]