七种药剂对枣缩果病病原菌—细交链孢菌抑制作用

Fungistasis of seven germicides against the pathogen of fruit shrink disease,Alternaria alternata on jujube

为有效防治枣缩果病的危害,选用7种杀菌剂对病原菌——细交链孢菌Alternaria alternata进行了室内抑菌试验和田间药剂防治试验。结果表明:20.67%万兴乳油+68.75%易保可分散粒剂+72%链霉素可溶性粉剂、10%世高可分散粒剂+90%新植霉素可溶性粉剂组合、80%大生M-45可湿性粉剂的抑菌能力最强;其次为20.67%万兴乳油、10%世高可分散粒剂和85%枣病克星可湿性粉剂;4%绿盾农抗120水剂对两种病原菌的抑制作用不明显。

The selective experiments of seven fungicides against the pathogen of fruit shrink disease, Alternaria alternata on jujube were done. The result showed that 20.67 % Wanxing EC （emulsifiable concentrate） ＋ 68.75 % Yibao DG（dispersible granule） ＋ 72 % Streptomycin SP （solube powder）, 10% Shigao DG ＋ 90% New Zhimeisu SP and 80% Daheng M-45 WP （water dispersible powder） had the best fungistasis and 20.67 % Wanxing EC, 10 % Shigao DG and 85 % Zaobingkexing WP were better, 4 % agri-antibiotic 120 of Ludun had no inhibiting effect.