This research groped and discussed the pollution-free agricultural product Sunflower leaf spot control principle, symptoms, pathogen, transmission cycle, conditions and technical measures for the prevention and con-trol of disease through the author' s production experience for so many years.%笔者经过多年的生产实践,摸索和探讨出无公害农产品向日葵褐斑病的防治原则、发病症状、病原、传播循环、发病条件和综合防治技术措施.
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