纵坑切梢小蠹

  • 网络tomicus piniperda
纵坑切梢小蠹纵坑切梢小蠹
  1. 纵坑切梢小蠹聚集化合物探讨特殊聚集形态微孔化合物的合成

    Synthesis of Microporous Compounds with Special Congregated Morphology

  2. 不同抚育强度林分,对纵坑切梢小蠹的持续控制效果不同。

    Different levels of intermediate cutting intensities for the stands have different sustainable control effects of T.

  3. 采用人工接种、林间调查等方法,研究纵坑切梢小蠹蛀梢危害对云南松生长和抗性的影响。

    The effect of shoot feeding by Tomicus piniperda on the growth and resistance of Yunnan pine was assessed by means of field investigation and artificial introducing adult insects to the crown .