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随着种植业结构的调整,保护地蔬菜的快速发展,以及化学农药的大量施用,使蔬菜病虫害的抗药性大大提高,病毒病的为害已成了危害蔬菜生产的一大难题,病毒病造成蔬菜产量下降,品质降低,严重制约了蔬菜生产的发展,通过几年来对沈丘县种植的几种蔬菜病毒病的观察研究与防治试验,针对蔬菜病毒病的防治及为害症状提出一些建议,供大家共同讨论,以促进蔬菜经济的发展,更好地控制蔬菜病毒病的蔓延为害。
With the adjustment of planting structure, the rapid development of vegetables in protected areas and the large-scale application of chemical pesticides, the resistance of vegetable pests and diseases is greatly increased. The damage caused by virus diseases has become a major problem that endangers the production of vegetables. The virus disease causes vegetables Production decline, lower quality, seriously hampered the development of vegetable production. Through several years of observation and research on several vegetable virus diseases planted in Shenqiu County and prevention and control tests, some suggestions are put forward for the prevention and treatment of vegetable virus diseases and their harmful symptoms To discuss together to promote the development of vegetable economy and to better control the spread of vegetable diseases.