应用缩节安(DPC)调控棉花株型的定位定量效应研究
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赵文超,杜明伟,黎芳,田晓莉,李召虎
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Location- and quantity-based effects of mepiquat chloride application on cotton plant-type
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Wen-Chao ZHAO,Ming-Wei DU,Fang LI,Xiao-Li TIAN,Zhao-Hu LI
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表3 2013年和2014年盛蕾期后、盛花期前和盛花期后应用DPC对果枝长度(1)的影响
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Table 3 Effect of mepiquat chloride applied after peak squaring, before peak blooming, and after peak blooming on the length of fruit branches in 2013 and 2014
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| 年份Year | 生育时期
Growing stage | DPC剂量(2)
MC rate(2) | 果枝序号 Number of fruit branches | | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | | 2013 | 盛蕾期后
After peak squaring | CK (cm) | / | 29.9 | 32.6 | / | / | / | / | / | / | / | / | / | / | / | / | | M1 (%) | / | -4.1% | -5.9% | / | / | / | / | / | / | / | / | / | / | / | / | | M2 (%) | / | -9.6% | -18.2% | / | / | / | / | / | / | / | / | / | / | / | / | | M3 (%) | / | -13.8% | -11.4% | / | / | / | / | / | / | / | / | / | / | / | / | | M4 (%) | / | -9.4% | -16.6% | / | / | / | / | / | / | / | / | / | / | / | / | 盛花期前
Before peak blooming | CK (cm) | / | / | / | 31.4 | 31.6 | 31.5 | 31.4 | 32.3 | 31.0 | 32.5 | 30.5 | 28.9 | 27.0 | 25.2 | 24.2 | | M1 (%) | / | / | / | -3.3% | -5.3% | -10.6% | -13.7% | -18.6% | -12.9% | -16.1% | -15.3% | -16.5% | -15.9% | -16.4% | -20.0% | | M2 (%) | / | / | / | -11.5% | -10.9% | -13.1% | -20.1% | -23.7% | -18.1% | -21.5% | -21.3% | -18.2% | -19.8% | -18.9% | -23.7% | | M3 (%) | / | / | / | -9.2% | -11.1% | -16.0% | -19.4% | -26.2% | -21.0% | -25.1% | -21.0% | -24.6% | -25.3% | -24.8% | -29.7% | | M4 (%) | / | / | / | -9.6% | -11.8% | -16.4% | -20.0% | -25.1% | -25.8% | -29.0% | -27.8% | -26.0% | -26.5% | -24.7% | -28.3% | 盛花期后
After peak blooming | CK (cm) | / | / | / | / | / | / | / | / | 31.4 | 30.9 | 28.7 | 27.8 | 25.9 | 24.4 | 24.1 | | M1 (%) | / | / | / | / | / | / | / | / | -11.1% | -14.5% | -16.7% | -20.3% | -19.4% | -14.3% | -20.0% | | M2 (%) | / | / | / | / | / | / | / | / | -10.8% | -16.2% | -16.3% | -21.5% | -23.2% | -23.6% | -23.3% | | M3 (%) | / | / | / | / | / | / | / | / | -14.8% | -24.0% | -26.3% | -31.1% | -31.2% | -30.1% | -28.3% | | M4 (%) | / | / | / | / | / | / | / | / | -18.2% | -26.0% | -26.8% | -33.2% | -34.6% | -34.0% | -38.1% | | 2014 | 盛蕾期后
After peak squaring | CK (cm) | 25.0 | 26.6 | 26.1 | 25.8 | 24.5 | 23.4 | 23.2 | / | / | / | / | / | / | / | / | | M1 (%) | -6.4% | -17.1% | -16.1% | -18.0% | -15.7% | -13.7% | -18.8% | / | / | / | / | / | / | / | / | | M2 (%) | -13.1% | -18.8% | -18.1% | -19.2% | -17.8% | -16.1% | -18.0% | / | / | / | / | / | / | / | / | | M3 (%) | -25.4% | -28.4% | -28.2% | -27.6% | -28.2% | -21.7% | -25.8% | / | / | / | / | / | / | / | / | | M4 (%) | -24.5% | -24.7% | -30.1% | -30.6% | -29.2% | -25.8% | -25.9% | / | / | / | / | / | / | / | / | 盛花期前
Before peak blooming | CK (cm) | / | / | / | / | 22.5 | 20.9 | 20.2 | 18.8 | 16.9 | 15.9 | 14.7 | / | / | / | / | | M1 (%) | / | / | / | / | -7.7% | -13.6% | -19.9% | -26.0% | -23.8% | -19.0% | -18.0% | / | / | / | / | | M2 (%) | / | / | / | / | -16.8% | -24.7% | -36.0% | -40.7% | -38.4% | -29.2% | -34.4% | / | / | / | / | | M3 (%) | / | / | / | / | -18.7% | -24.6% | -31.8% | -38.1% | -36.6% | -36.9% | -36.3% | / | / | / | / | | M4 (%) | / | / | / | / | -17.4% | -25.9% | -33.4% | -39.2% | -41.5% | -43.2% | -29.4% | / | / | / | / | 盛花期后
After peak blooming | CK (cm) | / | / | / | / | / | / | 23.4 | 21.9 | 22.2 | 20.8 | 19.7 | / | / | / | / | | M1 (%) | / | / | / | / | / | / | -18.6% | -18.8% | -28.3% | -32.2% | -32.0% | / | / | / | / | | M2 (%) | / | / | / | / | / | / | -16.4% | -16.1% | -26.8% | -30.3% | -31.3% | / | / | / | / | | M3 (%) | / | / | / | / | / | / | -23.6% | -26.0% | -36.2% | -36.2% | -38.6% | / | / | / | / | | M4 (%) | / | / | / | / | / | / | -17.7% | -24.7% | -34.6% | -40.2% | -37.6% | / | / | / | / |
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