黄瓜花叶病怎样防治

2025-04-04 05:58:16
推荐回答(2个)
回答1:

黄瓜花叶病防治方法:
  1、加强调运和产地检疫,严格控制封锁发生区。对未发生区加强检疫,防止通过种子、种苗进行传播扩散。对从国内发生区调运到未发生区的葫芦科的种子、种苗,必须附有《植物检疫证书》,确保不带此类病毒,并对种植区要加强产地检疫普查和监测,一但发现病情,及时向植物检疫机构报告,并采取有效的控制封锁措施进行防治。
  2.、用农业措施防治,是控制黄瓜绿斑驳花叶病毒病的有效方法。播种前进行种子消毒(在10℃下干热处理3天或在3-10%亚磷酸三钠溶液中侵种10分钟)。连作的土壤用溴甲烷40-80g/㎡熏蒸,嫁接所用的工具需全部消毒(蒸汽、溴甲烷熏蒸或富尔马林100倍掖消毒),避免接触传染。定植前用抗血清检测剔除病株,确保无带毒苗进入田间。
  3、合理轮作倒茬,减少病毒毒源。黄瓜绿斑驳花叶病毒病是以侵染葫芦科植物为主的病害,一般与非寄主作物实行2年以上的轮作倒茬。同时,加强田间管理,增施肥料,促进植株生长,减轻毒源和损失。
  4、选用抗病品种,如京旭2号,鲁春32号,宁丰1号,宁丰2号等。培育壮苗,适期定植,一般当地晚霜过后,即应定植,保护地可适当提早。采用配方施肥技术,加强管理。及时防治蚜虫。
  5、发病初期开始喷洒20%病毒A可湿性粉剂500倍液,或1.5%植病灵乳剂1000倍液,83增抗剂100倍液。
  6、防治病毒药剂可选:植病灵、宁南霉素、盐酸吗啉呱铜、菇类蛋白多糖等。另外混加硫酸锌25至30克,硼肥20克,天然芸苔素5克,配合杀虫剂每5至7天喷一次,连续2至3次。
  7、可用50%抗蚜威可湿性粉剂2000倍液喷雾。发病初期开始喷药,可用20%病毒A可湿性粉剂500倍液,或1.5%植病灵乳剂1000倍液,或83%增抗剂100倍液喷雾。

回答2:

用生物农药30%悬浮剂柳系列的药三遍通常就治好了。

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