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25%咪鲜胺 EC于香蕉叶斑病发病初期 ,每隔 7～ 10 d连续 3次施药防治结果表明 ,药后 15d,10 0 0～ 50 0倍液防效可达 81.0 %～ 90 .4 % ,药后 2 5d药效仍可达到 81.3%～ 90 .2 % ;50 0倍液防效明显高于常规药剂 70 %甲基托布津 WP10 0 0倍液 ;对香蕉叶片和生长无不良影响。推荐使用浓度以 50 0～ 80 0倍为宜
25% prochloraz EC in banana leaf spot disease onset, every 7 ~ 10 d three consecutive application of prevention and treatment results show that after 15 d, 10 0 ~ 50 0 times the liquid control effect of up to 81.0% ~ 90. 4%, after 25 days of drug efficacy can still reach 81.3% ~ 90 .2%; 50 0 times the control effect was significantly higher than the conventional 70% thiophanate-methyl WP10 0 times; banana leaves and growth without adverse influences. Recommended concentration to 50 0 ~ 80 0 times is appropriate