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梨农反映,种梨并不难,但管理不能懈怠,特别是病害,稍一疏忽,就会影响产量和品质。常见梨树病害有十多种,比如病菌入侵的锈病和黑星病,生理性病害的黄叶病、小叶病和红叶病等。鉴于多年的种植经验,梨农认为,只要及早识别及时防治是很见成效的。当梨树的嫩叶、新梢及幼果等新生组织上有锈状圆形斑点,有的在病斑隆起部显露黄色毛须状,以后病斑逐渐变黑,病斑密集
Pear farmers reflect, kind of pear is not difficult, but management can not slack off, especially disease, a little negligence, it will affect the yield and quality. Common diseases of pear there are more than 10 kinds, such as the invasion of bacteria rust and scythes, yellow leaf disease physiological diseases, leaf disease and red leaf disease. In view of years of planting experience, pear farmers believe that as long as the timely identification of timely prevention and control is very effective. When pear tree leaves, shoots and young fruit and other new tissue rust-like round spots, and some raised in the lesion revealed yellow hairy hair, after the lesion gradually black, dense lesion