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黄瓜病毒病近几年常有发生,直接危害黄瓜制种的成功,其症状表现:叶皱缩、蔓叶萎缩、生长点干燥,不及时防治危害严重。根据近几年对外制种的经验,黄瓜病毒病的防治主要采取以防为主,综合防治的措施,才能防止其发生,采取如下措施,取得了较好的防治效果。 1 选地要选择4～5年之内没有种过瓜类蔬菜的向阳、通风、透气、无病菌、易保持土壤水分、含有机质较高、活土层较厚的地块做为制种田。 2 种子消毒处理种子在育苗前进行消毒催芽,用10%磷酸三钠浸种20分钟,然后洗干净进行催芽,或用55℃温水浸种
Cucumber virus disease often occur in recent years, the direct impact on the success of cucumber seed production, the symptoms: leaf shrinkage, leaf decay, growing point of dry, not timely prevention and control of serious harm. According to the experience of foreign seed production in recent years, prevention and treatment of cucumber virus diseases mainly take the prevention as the main prevention and control measures to prevent them from happening. The following measures have been taken and a good control effect has been achieved. 1 choose to choose 4-5 years have not planted the melon vegetables sunny, ventilated, breathable, bacteria-free, easy to maintain soil moisture, with high organic content, live thick soil plots as a system of farming. 2 seed disinfection Seeds before germination disinfection germination, soaking with 10% trisodium phosphate 20 minutes, and then washed for germination, or soaked with warm water at 55 ℃