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黄瓜黑星病,异名:黄瓜疮痂病,是黄瓜的一种毁灭性病害。叶片发病的症状是有黄色晕圈;瓜条发病是瓜条弯曲、畸形。该病严重影响黄瓜的产量和质量,减产可达50%以上,甚至绝收。其主要防治方法如下:1)温汤或药剂浸种。55~60℃恒温浸种15min,或50%多菌灵可湿性粉剂500倍液浸种20min后冲净再催芽,或用0.3%的50%多菌灵可湿性粉剂拌种,均可取得良好的杀菌效果。2)覆盖地膜。采用滴灌等节水技术,轮作倒茬,重病棚应与非瓜类作物进行轮作。
Cucumber scab, synonym: cucumber scab, cucumber is a devastating disease. The symptoms of leaf disease is a yellow halo; melon incidence of melon is curved, deformity. The disease seriously affect the yield and quality of cucumber, cut down more than 50%, or even absolutely. The main control methods are as follows: 1) soaking soup or pharmaceutical. 55 ~ 60 ℃ soaking 15min, or 50% carbendazim WP 500 times 20min soaking and then ramming, or with 0.3% of 50% carbendazim WP can get good sterilization effect. 2) Cover the film. Adopt drip irrigation and other water-saving technologies, crop rotation, crop disease shed should be non-melon crop rotation.