怎样防治南丰蜜桔疮痂病南丰蜜桔极易感染疮痴病，近年来危害呈上升趋势，部分桔园病果率高达１００％。据初步统计，１９９３年全县大量落果和残次果损失产值３０％～３５％。为了有效地控制南丰蜜桔疮痴病，笔者进行了田间调查。其猖极原因除品种特性外，主要是由于长期... How to prevent and treat Nanfeng orange scab disease Nanfeng tangerine is extremely susceptible to the disease of sores, in recent years the harm is on the rise, some orange fruit disease rate as high as 100%. According to preliminary statistics, in 1993 the county a large number of fruit loss and residual fruit loss output value of 30% to 35%. In order to effectively control Nanfeng citrus soreness, the author conducted a field survey. In addition to its rampant reasons for breed characteristics, mainly due to long-term ...