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2 各试验应用DPC的时间和剂量
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Table 2 Mepiquat chloride (MC) application time and rates for each experiment in 2013 and 2014
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试验编号
Experiment number | DPC应用时间 MC application time | CK | DPC剂量 MC rate (g hm-2) | 生育时期
Growth stage | 日期 Date (month/day) | 主茎节数 Stem nodes | M1 | M2 | M3 | M4 | | 2013 | 2014 | 2013 | 2014 | | 1 | 现蕾期 Squaring | 6/2 | 6/3 | 7 | 7 | 0 | 3.8 | 7.5 | 11.3 | 15.0 | | 2 | 盛蕾期后 After peak squaring | 6/14 | 6/14 | 12 | 12 | 0 | 7.5 | 15.0 | 22.5 | 30.0 | | 3 | 盛花期前 Before peak blooming | 7/3 | 7/6 | 18 | 17 | 0 | 22.5 | 45.0 | 67.5 | 90.0 | | 4 | 盛花期后 After peak blooming | 7/13 | 7/16 | 20 | 18 | 0 | 30.0 | 60.0 | 90.0 | 120.0 | | 5 | 打顶后 Post-topping | 7/31 | 8/2 | | | 0 | 45.0 | 90.0 | 135.0 | 180.0 |
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