【作者】 王天喜； 伍明祥； 王心猛； 刘敏；

【Author】 WANG Tian-xi WU Ming-xiang WANG Xin-meng LIU Ming (Plant Protection and Quarantine Station of Yuping County in Guizhou Province, GuiZhou YuPing 554000, China)

【机构】 贵州省玉屏县植保植检站；

【摘要】 通过对橘园进行间作和生草免耕栽培,增加了橘园物种,组装了橘园多样性生态系统。根据对三种处理橘园害虫发生最及其天敌调查,橘园间作和橘园蓄草,害虫数量比纯橘园减少37％和68％,平均减退率为52．5％,草蛉、瓢虫等天敌数量分别增加28％和41％,平均增加34．5％,害虫与天敌比为1:2．8。更多还原

【Abstract】 According to using the inter-cropping and zore tillage in the orange grove, therefore, the species were recreased. The various orange grove ecosystem was made up. According to the survey of measuring three kings of processes orange grove pests occurrence and its natural enemy. Compare with the number of pure orange grove’s pests, the number of inler-cropping s pests and storing grass pests has reduced 37% and 68% , the average decreasing rate is 52.5% . The quantity of natural enemy of lady-bugs and ladybird increase 28% and 41 % respectively. The average increase rate is 34.5% . The rale of pests and natural enemies rate is 1:2.8.更多还原