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wen ku bing he dao fei shi ying tong bu fang zhi
Author(s): 
Pages: 45
Year: Issue:  2
Journal: Reclaiming and Rice Cultivation

Keyword:  稻飞虱纹枯病病害和虫害可湿性粉剂碳素营养低龄若虫发生数量扑虱灵有效防治病害发生;
Abstract: 纹枯病和稻飞虱是水稻的主要病害和虫害,一般稻飞虱发生数量多的田块,纹枯病就相对严重。据江苏国营三河农场双桥分场测定,稻飞虱大量排出的蜜露为病原菌提供了丰富的氛素和碳素营养,是促使效枯病加重和流行的重要原因。因此在防治纹枯病时必须注意稻飞虱的防治。江苏王清林报道,在稻飞虱低龄若虫盛期,纹枯病病株率达]5%时,亩用25%扑虱灵可湿性粉剂SOg.加5%并岗霉素水利150~20Og,将二者混合后用少量清水调成糊状,再花水60kg均匀喷雾于精株基部.可有效防治二病害发生。纹枯病和稻飞虱应同步防治@军一
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