The damage of Chilo suppressalis was about 2-3 times of that in monoculture paddy-field.
结果表明，稻曲螟的危害是单一栽培稻田的2-3倍。
The damage of Chilo suppressalis and Tryporyza incertulas was about 2-3 times of that in monoculture paddy-field and even more;
养蟹稻田二化螟和三化螟螟害率是常规非防治稻田的2—3倍，甚至更高；
The paper showed the main advance in non-polluted management and outbreak mechanism of Chilo suppressalis made by Hunan province in recent years.
重点概述近年湖南在有关二化螟成灾机制及无害化治理技术研究方面所取得的主要成就和经验。
This paper dealt with the overwintering, oviposition, boring and transferring behavior, population dynamics, and control of striped stem borer (SSB), Chilo suppressalis in Zizania fields.
通过对茭白二化螟的越冬习性、产卵习性、钻蛀及转移规律，田间种群动态、天敌种类进行了调查和研究。
This paper dealt with the overwintering, oviposition, boring and transferring behavior, population dynamics, and control of striped stem borer (SSB), Chilo suppressalis in Zizania fields.
通过对茭白二化螟的越冬习性、产卵习性、钻蛀及转移规律，田间种群动态、天敌种类进行了调查和研究。
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