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2 不同浓度多效唑处理对苦荞产量构成的影响

Table 2 Effects of paclobutrazol treatments at different concentrations on yield components of tartary buckwheat

处理Treatment T0 T1 T2 T3 T4 T5 饱满率Plumpness rate (%) 91.67±0.01abA 92.33±0.03aA 91.00±0.03abA 91.00±0.03abA 91.67±0.02abA 92.33±0.03aA 杂粒率Impurity rate (%) 7.00±0.04bB 9.00±0.05aA 7.00±0.04bB 8.00±0.05abAB 8.00±0.05abAB 9.00±0.05aA 结实率Seed-setting rate (%) 39.47±0.05bAB 40.50±0.05bAB 40.17±0.05bAB 40.47±0.06bAB 42.27±0.06abA 43.50±0.07aA 单株粒数Grains per plant 353.03±193.20aA 273.87±69.00bB 180.20±113.36eE 187.80±153.43eE 252.67±132.95cC 207.77±103.14dD 单株粒重 Grain weight per plant (g) 5.95±2.77aA 4.30±1.35abAB 3.41±1.95bB 3.24±2.31bB 4.03±2.10abAB 3.75±1.94bB 单株鲜重 Fresh weight per plant (g) 94.47±39.28aA 91.47±37.78bB 90.27±35.98bcBC 89.47±34.28cBC 89.17±36.14cBC 91.33±35.36bB 千粒重1000-grain weight (g) 16.53±1.51abA 16.93±1.36abA 16.87±1.03abA 17.53±1.53aA 15.93±1.01bAB 16.73±1.14abA 籽粒干物质积累量 Grain dry matter accumulation (g) 62.77±36.26aA 58.93±34.26bcB 57.80±33.29dBC 59.07±31.97bcB 59.27±33.86bcB 60.87±34.20bB