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an hui zhong dao zao zai bi ming de yan jiu
Author(s): 
Pages: 385-393
Year: Issue:  4
Journal: Acta Entomologica Sinica

Keyword:  三化螟水稻植株栽插期发生期螟害水稻生育期双季晚稻虫口密度白穗早栽;
Abstract: 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。
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