植物生长调节剂对苎麻茎秆抗倒伏性的影响  

Effects of Plant Growth Regulators on Lodging Resistance of Ramie Culm (Boehmeria nivea L.)

作　　者：曾维爱[1] 谭济才[1] 崔国贤[2] 罗中钦[2] 肖红松[2] 黄艳宁[2] 

机构地区：[1]湖南农业大学生物安全科技学院,长沙410128 [2]湖南农业大学苎麻研究所,长沙410128

出　　处：《中国农业科学》2005年第12期2577-2581,共5页Scientia Agricultura Sinica

基　　金：湖南省教育厅资助项目(04NK1003)

摘　　要：运用三因素五水平二次正交旋转组合设计,研究了赤霉素、烯效唑和抑芽敏对苎麻茎秆抗倒伏性及其抗倒指数的影响,建立了相应的数学模型:Y=87.10-9.03X1+8.30X2-9.41X12-12.25X32。经模拟选优得出,当赤霉素取14.29mg·kg-1,烯效唑取20.00mg·kg-1,抑芽敏取357.00mg·kg-1时,抗倒指数达最大值103.23g·mm-1,这个方程可作为反馈试验及大面积推广应用的基础。The orthogonal rotated combination design on the basis of three factors and five levels was used to investigate the effects of GA3, uniconazole and prime on resistance to lodging resistance and lodging-resistant index of ramie culm. A mathematical model was established as： Y=87.10-9.03X1＋8.30X2-9.41X1^2-12.25X3^2. It was concluded from the model that when GA3, uniconazole and prime were used at the dosages of 14.29 mg·kg^-1, 20.00 mg.kgl and 357.00 mg·kg^-1 respectively, the lodging-resistant index was the highest（ 103.23 g·mm^-1）. The model would be a foundation for feedback trial and popularization.

关 键 词：苎麻 植物生长调节剂 抗倒伏性 抗倒指数 

分 类 号：S563.1[农业科学—作物学]