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玉米是我省仅次于水稻、小麦的主要粮食作物,在粮食生产中占有重要地位,特别是在一些土多田少的山、丘区,历来是粮食生产的主体,随着畜牧业和加工工业的发展,对玉米的需求量越来越大。农民种植玉米的积极性很高,而且极大地推动着各项栽培技术的革新和病虫防治水平的提高。但是,玉米病虫的发生比较严重,新的病虫害问题仍不断出现。本文主要根据四川近年来玉米重要病虫害的发展变化情况,对未来的发展趋势进行了粗浅分析,以利防治。
Maize is the main grain crop next to rice and wheat in our province, occupying an important position in grain production. In particular, in some mountainous and hilly areas where soil is less, it has always been the mainstay of grain production. As livestock husbandry and processing industry The development of corn, the demand for corn is growing. The enthusiasm of farmers planting corn is very high, and greatly promoted the innovation of various cultivation techniques and the improvement of pest and disease control levels. However, the incidence of maize pests and diseases is relatively serious, and new pest and disease problems continue to emerge. Based on the development and changes of important pests and diseases of maize in Sichuan in recent years, this paper makes a superficial analysis on the future development trend to facilitate the prevention and control.