Test probing is the key process for determining host plant selection, and the chemical composition of the leaf surface wax may play an important role.
试验性刺探是粉虱确定对宿主植物选择的关键过程，而叶表蜡层中的化学物质可能起重要作用。
The influence of Si, B, Mn and their coordination on the growth of potted plant Four-season-fragrant-olive by spraying fertilizer on the leaf surface were studied.
研究了在叶面喷施的条件下，硅硼锰以及硅硼锰配合对盆栽四季桂生长的影响。
The results showed that under normal agricultural practice the inoculation moved up the date of emergence and increased the plant high, dry weight, stem diameter, leaf surface and 1000 grain weight.
结果表明，在常规田间管理情况下，能提早出苗期，使植株增高、增重、增粗，扩大叶面积和增加千粒重。
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