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甜椒在全国各地皆有栽培,类型和种类较多。在我国北方,甜椒栽培面积较大,在夏秋两季蔬菜中占有重要地位。但近年来,我省甜椒产量逐步下降,个别地块甚至绝收。甜椒大幅度减产的原因,有多种因素。如:不适当的栽培管理,品种混杂与退化、肥源不足等,最主要的因素是甜椒毒病所造成的早期落叶、落花、落果,严重地影响后期收成,为了明确甜椒毒病在我省主要城市郊区的发生为害情况、现有防治水平及存在问题,以便进一步探讨对甜椒毒病的防治途径,我们于1980年7月中旬到7月底分别对邯
Bell peppers are cultivated all over the country with many types and types. In northern China, sweet pepper cultivation area larger, summer and autumn vegetables occupy an important position. However, in recent years, the output of sweet pepper in our province has been gradually decreased, and even individual plots can not even be received. Pepper sharply cut the production of a variety of reasons. Such as: inappropriate cultivation and management, hybrids and degradation of varieties, lack of fertilizer and so on, the most important factor is the early leaves caused by sweet pepper poisoning, falling, seriously affecting the late harvest, in order to clarify the bell pepper poisoning In the suburbs of major cities in our province, the occurrence of harm, the existing level of prevention and control and existing problems in order to further explore the prevention and treatment of sweet pepper poisoning pathways, we were in mid-July to the end of July, respectively,