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解答:1.Experiments showed Chlorothalonil and Bordeaux mixture were effective fortheir control.
药效试验百菌清和波尔多液效果好,防效达90%以上,可作大面积防治选用药剂.
2.The best fungicides are 1 % Bordeaux mixture, 50 % Tuzet ( diluted 600 times ), and 50 % Ambam ( diluted 800 times ).
化学药剂以 1∶1∶100 的波尔多液, 50%退菌特可湿性粉剂600倍液和50%代森铵800倍液防治效果较好.
3.The control effects of 1 % Bordeaux mixture, Carbendazim and Topsin are 66.2 %, 33.8 % and 45.9 % respectively.
该病属于单循环病害.在病原侵染初期分别用1%波尔多液、托布津和多菌灵进行防治试验, 结果三者的防效分别为66.2%, 45.9%和33.8%.
4.Bordeaux nutritional protective powder ( BNPP for short ) had evident effects on iron and zinc deficiency.
波尔多液营养保护剂 ( Bordeauxnutritionalprotective powder简称:BNPP)对于矫治植物缺铁、锌症状有显著效果.
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