覆盖白粉的

基本解释 (translations)

pruinose

与覆盖白粉的相关的网络例句 [注：此内容来源于网络，仅供参考]

The yellow boards play an important role in prevention and cure white fly in greenhouse because they can trap, stick and kill white fly. The test also shows that almost white fly often appear in the space where 5cm-15cm upper than the top of the plant. According to this result, the optimal hanging height of the yellow board should be at the place where 5cm-15cm upper than the top of the plant. The yellow boards should be set up as much as possible in this space to reach the best preventative effect.

同时使用黄板诱杀这一物理防治方法，也可有效减少温室内白粉虱数量，并且确定了植物顶端上方5~15cm处是白粉虱较活跃的区域，因此黄板应尽可能多的覆盖这一区域，以达到最好的防治效果。