主干无枝的

词组短语

clear-boled

与主干无枝的相关的网络例句 [注：此内容来源于网络，仅供参考]

In order to know the effect and mechanism of Trichoderma to Cytospora chrysosperma,experiments indoor and outdoor were conducted and better effect is got,providing theory of controlling Cytospora chrysosperma by Trichoderma.

枝木病初，患部皮层变色，无明显病斑，病部的枝梢失水枯死；干腐型较常见，病斑多发生在成年树木西南朝向的主干

The measures of cultivation of disease-free seedling, reduction of wound of stem and twig, wound sterilization after peeling diseased patch of stem and twig, cutting down badly diseased twigs are effective control method.

通过采取栽培无病苗木、减少枝条和主干的伤口、削除枝条和主干的病斑和进行伤口的消毒、砍除重病枝等措施，可以有效地防治病害的发生。