the results of the study on effect of plant growth regulator (Yihua 1 )on inhibiting the flying in poplar and willow showed that,plant inhibitors were absorbed by plants, the formation of flower bud was inhibited, the flying in willow was bridled under the premise without affecting the normal growth of trees.%抑花一号植物生长调节剂抑制杨树及柳树飞絮效果研究结果表明,植物抑制剂被树体吸收后,可以控制花芽的形成,在不影响树木正常生长的前提下,达到控制飞絮的目的。
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