向日葵是内蒙地区重要的经济作物之一,1985年仅西部地区就播种了190多万亩。由于锈病为害,估计减产10％左右,损失产量3680万斤。对于这一病害怎样进行防治和控制呢?据去年各地植保部门的经验,首先要坚持贯彻“预防为主,综合防治”的植保方针,农业措施与化 Sunflower is one of the important cash crops in Inner Mongolia. In 1985, only about 1.9 million mu were sown in the western region. As a result of rust damage, it is estimated that about 10% reduction in production, loss of output 3680 kg. How to prevent and control this disease? According to the experience of plant protection departments all over the country last year, we must first adhere to the principle of “plant protection, prevention and prevention and comprehensive prevention and control”