论文部分内容阅读
果树流胶病,是一种极为普遍的病害,尤以危害核果类果树为重。发病时,使枝干上产生流胶,现象轻者导致枝干或整株树生势衰弱,重者可使整枝、整树死亡。因此,必须注意找准原因,科学防治,而且要做到早防早治。流胶病,在树体的整个生长发育期均可发病,4～6月最重。病害初期,在枝干表面出现大小不等的病斑,丘
Fruit tree meningitis, is a very common disease, especially the fruit trees that endanger the drupe. When the disease occurs, so that the flow of glue on the branches, the phenomenon of light lead to limbs or whole plant trees weak potential, severe cases can make pruning, the whole tree died. Therefore, we must pay attention to identify the reasons for scientific prevention and control, but also to prevent early treatment. Silicosis, the entire growth and development of the tree can be disease, 4 to 6 months the heaviest. Early disease, the surface of branches in the size of lesions, mounds