金边瑞香根腐病药剂防治研究初报

Preliminary Study on the Control Effect of Fungicides on Root Rot of Daphne (Fusarium sp.)

由镰孢菌（Ｆｕｓａｒｉｕｍｓｐ．）引致的根腐病是金边瑞香上的一种重要病害，近年来在江西省大余县广泛发生。室内药剂筛选和田间药效试验结果表明，在花圃管理水平较好的情况下，配合使用５０％扑海因ＷＰ１０００倍、５０％福美双ＷＰ５００倍或２５％ＴｉｌｔＥＣ１５００倍药液，浇灌２～３次，防治金边瑞香根腐病的效果一般可以达到６５．０％～１００％，平均７５％左右。

Root rot of Daphne caused by Fusarium sp. occurred widely and caused severe damage recently in Dayu county, Jiangxi province. Test results of indoor and field fungicide control effect on root rot of Daphne showed, on condition that garden was managed well, sprinkling the dilute solution of 50% Iprodione (1000 times) or 50% Arasan (500 times) or 25% Tilt (1500 times) for 23 times, the control effect on the disease could reach 65.0%100%, with an average of 75%.