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桃树流胶病的防治技术薛德乾(福建省上杭县临城农技站364200)桃树流胶病是一种生理性病害,发病因素十分复杂,病虫为害、霜害、水分过多或不足、施肥或修剪不当、结果过多等等都可引起此病的发生。患部大多在主干和大主枝上,被害处树皮裂开,上有一块块茶褐色的...
Peach meningococcal disease prevention and control technology Xue Deqian (Shanghang County, Fujian Province Lincheng Agricultural Technology Station 364200) peach gum disease is a physiological disease, the incidence of very complicated, pests, frost damage, excessive or insufficient water , Improper fertilization or pruning, too many results, etc. can cause the disease. Most of the affected area in the main trunk and the main branch, the victim bark cracked, there is a block of brown ...