水稻旱育抛栽病虫发生危害情况初报

A Preliminary Report of Insect Pests to Dry Casted Rice

通过对水稻旱抛和手栽两种类型田系统观察和大面积普查对比，结果表明：（1）旱抛田螟虫、纵卷叶螟发生危害重。（2）旱抛田稻飞虱田间虫口密度高。（3）旱抛田纹枯病发生偏轻。

Based on the systematic observation of dry casted rice and handplanted rice and the general survey of large scale and comparison, the authors obtain the results given as below: a) rice borer and leaf rollers in dry casted rice field cause severe damage; b) rice flying louses in dry casted rice field densely appear;c) sheath and culm light of dry casted rice seldom occurs.