应用缩节安(DPC)调控棉花株型的定位定量效应研究

赵文超,杜明伟,黎芳,田晓莉,李召虎

Location- and quantity-based effects of mepiquat chloride application on cotton plant-type

Wen-Chao ZHAO,Ming-Wei DU,Fang LI,Xiao-Li TIAN,Zhao-Hu LI

图4 2013年现蕾期(A)、盛蕾期后(B)、盛花期前(C)、盛花期后(D)和打顶期(E)应用DPC的株型模式图 1-CK~5-CK分别为不同生育时期的对照, 1-MC~5-MC分别为不同生育时期4个DPC应用剂量的平均值, 处理同表2; 绿色部分代表DPC作用部位; N为应用DPC时的主茎节位; Bar=10 cm。

Fig. 4 Schematic diagram of cotton plant type in response to mepiquat chloride applied at squaring stage (A), after peak squaring (B), before peak blooming (C), after peak blooming (D), and post-topping (E) in 2013 1-CK-5-CK denote control at different stages, and 1-MC-5-MC indicate the mean of four mepiquat chloride rates at different stages; Treaments are the same as those given in Table 2; Green parts indicate the internodes affected by MC; N indicates the node of main stem when mepiquat chloride was applied; Bar= 10 cm.