Therefore, "Green-Guard" was an ideal substitute for Bordeaux mixture as a copper product.

做为铜制剂是传统农药“波尔多液”的理想换代产品。

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But Mr Padilha warned state authorities not to let down their guard as the rainy season could exacerbate the situation, with standing water providing an ideal breeding ground for the mosquitoes carrying the disease.

BBC: Brazil dengue cases almost triple as new strain spreads