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本试验肯定了6月5—10日为安徽省沿长江两岸水稻产区的中稻安全移植期的极限,过此后延,不仅螟害加重,且产量显著下降,同时水稻植株及稻桩内三化螟含虫量增多,虫口基数大,以致直接影响第二年三化螟前期发生量的增长,威胁水稻。 通过近年来大面积生产实践结果证实:中稻早栽避螟是农业栽培技术防治最好的治螟措施,具有治螟和增产的双重意义。
This experiment affirmed June 5-10 as the limit for the safe transplanting period of middle-season rice in the paddy-rice producing areas along the Yangtze River in Anhui Province. After this delay, not only the stem borer aggravate but also the yield decreased significantly. At the same time, Borer increased the amount of insects, insect population base, which directly affects the second year of the occurrence of the first three borer occurred in the amount of growth, threatening rice. Through large-scale production in recent years, the results of practice confirmed that: the early planting of rice is the prevention and control of rice cultivation techniques for the prevention and control of rice stem borer measures, with double-sided effect of borer management and yield.