The concentrations of 300 mg/L and 400 mg/L ethephon reduced the contents of chl a,chl b and carotenoid, and the activity of malic enzyme, and the decreases were greater with the concentrations of ethephon applied in the treatment.
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释义
300mg/L,400mg/L则降低了甘蔗叶片叶绿素a、叶绿素b及类胡萝卜素的含量,对NADP-苹果酸酶活性也有明显的抑制作用,且浓度越大,抑制作用越强。
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