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近几年随着农业生产以加快调整种植结构、农业增效农民增收为核心,着力推进农业结构调整,发展壮大特色优势产业。尤其是优质水稻推广种植、高肥水管理模式的不断扩大,纹枯病的发病趋势日趋严重,分析水稻的发生特点、了解其病原、主要症状等对保证水稻的优质高产具有重要的现实意义。下文就据此展开对这一问题的分析与论述。
In recent years, with agricultural production in order to speed up the adjustment of planting structure, agricultural efficiency increase farmers as the core, efforts to promote agricultural restructuring, development and expansion of industries with characteristics and advantages. In particular, the promotion of high-quality rice cultivation and the expansion of high-fertility water management are becoming more and more serious. The trend of occurrence of sheath blight is becoming more and more serious. It is of great practical significance to analyze the occurrence characteristics of rice and understand its pathogen and major symptoms to ensure high quality and high yield of rice. The following is based on this analysis and discussion on this issue.