壳聚糖对水稻恶苗病、纹枯病及二化螟抑制效果的分析

Effect of Insect Polysaccharide on Rice Resistance to Bakanae Disease,Sheath Blight and Stalk Borer

壳聚糖处理水稻种子可明显抑制水稻恶苗病发生,抑制效果最高可达90%以上,对水稻纹枯病也有一定的抑制作用,还可降低二化螟的发生与危害程度,提高水稻产量。

Polysaccharide treatment on rice seed could significantly inhibit the occurrence of rice bakanae disease [ Gibberella fujikuroi （ Saw. ） Wollenw. ] with the efficiency of 90%. Furthermore,it could also inhibit the occurrence of rice sheath blight[ Thanatephorus cucumeris （Frank） Donk ] and rice stalk borers [ Chilo suppressalis （walker） ] to some extent.