五氯酚钠灌根治疗苹果烂根病苹果烂根病包括圆斑根腐病、白绢病、紫纹羽病等几种。自１９９２年以来，我们试用五氯酚钠水溶液灌根治疗苹果烂根病，施药后控制了病株的蔓延，二年后感病重的的植株也恢复了树势，其后经多处应用，效果均良好。具体方法是：早春先扒土晾根，... Sodium pentachlorophenol irrigation root treatment of apple rot root cause Apple rot root cause disease, including round root rot, Sclerotium, purple line feather disease several. Since 1992, we experimented with pentachlorophenol sodium aqueous solution irrigation roots cure apple rot disease, after spraying control of the spread of diseased plants, two years later the seriously ill plants also restore the tree vigor, followed by multiple Application, the effect is good. The specific method is: early spring grilled soil root, ...