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对四棱豆停止开花前的株高生长曲线进行了拟合,并对株高生长与开花数目变化进行了比较分析,采用logistic非线性生长模型对四棱豆开花特性进行了曲线方程配置。结果表明:曲线方程拟合度为0.990,能很好地体现四棱豆开花和生长特性,根据曲线方程计算得开花数目增加的拐点时间为出苗后的第99天,拐点花数目为70朵。
The growth curves of plant height before flowering were obtained were fitted, and the changes of plant height and flowering number were compared. The logistic nonlinear growth model was used to plot the flowering characteristics of flowering soybean. The results showed that the fitting degree of the curve equation was 0.990, which could well reflect the flowering and growth characteristics of A. mongolica. According to the curve equation, the inflection point of increasing flowering number was 99 days after emergence, and the number of inflection points was 70.