摘要
在马铃薯同大豆间作中,采用喷洒蜂蜜水和早熟马铃薯刈秧的方法对马铃薯田内的天敌昆虫向大豆田内诱集和助迁,使得大豆田内天敌数量增加,从而使大豆蚜的防控更加有效。试验结果表明,喷洒蜂蜜水使得处理区内天敌总量增长率高于对照区,持续时间达7 d;早熟马铃薯刈秧使处理区内天敌数量增加,同时大豆蚜数量明显降低,该方法同马铃薯收获时间相吻合,具有良好的防控效果和较长的持效时间,因此在应用于促进马铃薯田中天敌向大豆田内转移具有一定的意义。
Spray of honey solution and cutting of the early maturing potato plant were applied in the intercropping of soybean and potato. The natural enemies were lured and migrated from potato field to soybean field. The control for soybean aphid was more effectively by those measures. The results showed that spray of honey solution made the growth rate of natural enemies in the treatment plot higher than the control plot, and the period of validity was 7 d. The cutting of early maturing potato plant increased the number of natural enemies and reduced the number of soybean aphid in treatment plot. Because the cutting time of the early maturing potato plant could be coincided with the harvest time, the cutting of early maturing potato plant has better control effects and longer period of the validity. The cutting of the early maturing potato plant plays a significant role in the enemy migrating from potato field to soybean field.
出处
《中国马铃薯》
2013年第6期348-352,共5页
Chinese Potato Journal
基金
公益性行业(农业)科研专项经费项目(201103022-5)
关键词
马铃薯
间作
大豆蚜
天敌
potato
intercropping
soybean aphid
natural enemy
