叶面喷施多效唑对苦荞产量及茎秆抗倒伏性的调节作用

李云, 王静, 刘艳昆, 赵光辉, 郑敏娜

Regulation of Yield and Lodging Resistance of Stem in Tartary Buckwheat by Paclobutrazol Leaf Spraying

Li Yun, Wang Jing, Liu Yankun, Zhao Guanghui, Zheng Minna

表5 不同浓度多效唑处理对苦荞茎秆节间的影响

Table 5 Effects of paclobutrazol treatments at different concentrations on stem internode of tartary buckwheat

处理 Treatment 基部第2节间The second internode of base stem 茎秆壁厚 Stem wall thickness (mm) 茎秆鲜重 Stem fresh weight (g) 茎秆密度 Stem density (g/cm3) 茎秆充实度 Stem fullness (g/cm) 茎秆抗折力 Stem bending strength (gf) 茎秆倒伏指数 Stem lodging index T0 1.15±0.76abAB 0.64±0.11bA 1.12±0.11abA 0.34±0.01abA 318.89±18.36dD 2.79±0.82aA T1 1.35±0.08abAB 0.80±0.14abA 1.18±0.27abA 0.41±0.01abA 336.67±22.69cdC 2.36±0.67abA T2 1.31±0.42abAB 0.86±0.22abA 1.27±0.43abA 0.39±0.01abA 353.33±28.35cC 2.19±0.40abAB T3 1.58±0.13abA 0.97±0.22aA 1.34±0.45abA 0.48±0.01aA 380.00±27.71bB 2.10±0.78abAB T4 1.84±0.66aA 1.04±0.10aA 1.41±0.29aA 0.56±0.01aA 394.44±25.72bAB 1.94±0.79abAB T5 1.79±0.71aA 1.06±0.08aA 1.47±0.34aA 0.69±0.01aA 412.22±21.91aA 1.76±0.14bB