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稻粒黑粉病是影响杂交稻繁殖制种产量和质量的主要病害之一,成为急待解决的问题。我们从浙江农业大学,江苏沿海地区农科所引进防治稻粒黑粉病新药克黑净、灭黑1号,在珍汕97A繁殖田进行试验,效果很好,是当前防治黑粉病理想的药剂。1试验方法 克黑净每亩每次用药80g对水20kg;灭
Rice powdery mildew is one of the major diseases that affect the yield and quality of hybrid rice. It becomes an urgent problem to be solved. We from Zhejiang Agricultural University, Jiangsu Province, the introduction of agricultural science and technology in the prevention and treatment of rice powdery mildew new grams of black net, black 1, the Zhentou 97A breeding field trials, the effect is good, is the current prevention and control of powdery mildew ideal Pharmacy. 1 test method grams of black net per acre 80g of water 20kg; off