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树脂病是我县柑桔的重要病害,对柑桔主干的危害极大。柑桔冻后尤其容易罹病,1954年及1969年的大冰冻,造成毁园损失与冻后树脂病的侵染危害密切相关。近几年来,虽未遇特大冰冻,因日灼和重剪造成的伤口,对此病发生有利,有日趋严重的趋势。症状树脂病是一种真菌性病害,因症状、受害部位和时期的不同,又有蒂腐病、砂皮病、黑点病等名称。我县每年5—6月,9—10月有两次发病的高峰。它
Resin disease is an important disease of citrus in our county, the great harm to the trunk of citrus. Citrus especially vulnerable to cold after the disease, 1954 and 1969, the large ice, resulting in damage to the destruction of the park and the risk of resin damage after the infection is closely related. In recent years, although no large frozen, sunburn and heavy shear wounds, the occurrence of this disease is beneficial, there is a growing trend. Symptoms Resin disease is a fungal disease, due to symptoms, the location of the victim and the different period, there are pediculosis, sand disease, black spots and other names. My county every year from May to June, September-October has two peak incidence. it