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2007年-2009年,由于气候、品种和种子带菌等综合因素,引起了新源县向日葵黑茎病的暴发流行,给当地农业生产造成了巨大的经济损失。向日葵黑茎病是由向日葵茎点霉引起的一种真菌、毁灭性病害,向日葵开花期是该病发生初期,可造成向日葵大面积枯萎死亡。新源县种植的KWS303、瑞特姆和北葵17是该病的高感品种,发病率达到100%,产量损失率在80%左右。种植抗病品种,合理轮作倒茬,使用50%多菌灵WP等苯并咪唑类杀菌剂拌种和喷雾防治,可有效控制向日葵黑茎病的发生危害。
From 2007 to 2009, due to the comprehensive factors such as climate, variety and seed germination, it caused the outbreak of black stem disease of sunflower in Xinyuan County, causing huge economic loss to local agricultural production. Sunflower black stem disease is a fungus caused by the sunflower stem point mildew, devastating diseases, sunflower flowering is the early stage of the disease, can cause a large area of sunflower wilt death. KWS303, Rittam and Beikui 17 planted in Xinyuan County are highly susceptible varieties of the disease with a disease incidence of 100% and a yield loss rate of about 80%. Planting disease-resistant varieties, reasonable rotation cropping, the use of 50% carbendazim WP and other benzimidazole fungicides seed dressing and spray control, which can effectively control the incidence of sunflower black stem damage.