柑桔溃疡病是湛江垦区柑桔的普遍而严重的病害,对柑桔的产量和质量有较大的影响。每年柑桔树抽梢期和幼果期都要喷药保护,防治溃疡病的费用,约占整个防治病虫害费用的20％。 为防治柑桔溃疡病和建立无溃疡病柑桔新区,对带有溃疡病的柑桔苗进行热水间歇处理。处理前 Citrus canker disease is a common and serious disease of citrus in reclamation area of ​​Zhanjiang and has a great influence on the yield and quality of citrus. Annual citrus tree shoot shoot and young fruit should spray protection, the cost of pest control, accounting for about 20% of the cost of pest control. In order to prevent and cure citrus canker disease and establish new citrus non-ulcer disease area, citrus seedlings with ulcer disease were subjected to intermittent hot water treatment. Before processing