Long-term and sole use of agricultural chemicals caused increase in resistance of the stem borers.
农药的长期单一使用使螟虫产生抗药性。
参考来源 - 常德市螟虫发生及危害动态研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Toxicities and control effects of Ningchongsu against rice stem borers were tested.
研究了宁虫素对水稻螟虫的毒力及防治效果。
Rice blast and stem borers have done harm to rice production, led to decreased rice yield and inferior grain quality.
稻瘟病和螟虫等病虫害严重危害着水稻生产，导致水稻产量下降，稻米品质变劣。
Two dimension distribution figure was drawn by principal component analysis, which revealed that the striped stem borers overlapped.
用主成分分析并绘制二维排序图，发现水稻二化螟、茭白二化螟交迭在一体。
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