过氧乙酸防治核桃腐烂病技术

PeraceticAcid in Control of Rot in Walnut

在黄龙县进行了过氧乙酸防治核桃腐烂病试验,结果为在感病树体的病斑纵向刻划开口至木质部,并喷施20%过氧乙酸原液,治愈率可达95%,高于其他常规防治方法约10百分点,且病斑愈合、树势恢复期等提前7～20d左右,防治成本仅为常规方法的20%左右,值得推广。

Peraceticacid was applied for control of rot in walnut. The method is to make a cut along the scar in the tree deep to xylem and spray percacetic acid of 20% solution. The method will have effect of control above 95%, 10% over the other methods, and heal the scar quickly and restore the vitality of tree 7 to 20 days earlier, with a cost only 20% of conventional ones.