氮肥施用量对杂交稻田白背飞虱和蜘蛛种群数量的影响

›› 2012, Vol. 24 ›› Issue (5): 0-869.

• 论文 •

氮肥施用量对杂交稻田白背飞虱和蜘蛛种群数量的影响

周小军1,徐红星2,郑许松2,杨亚军2,陈礼威3,何锦豪1,吕仲贤2,*

1金华市农业科学研究院,浙江金华 321017；2 浙江省农业科学院植物保护与微生物研究所,浙江杭州 310021；3浙江省武义县科技创新服务中心,浙江武义 321000

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-09-24 发布日期:2012-09-24

Population dynamics of white\|backed planthopper and its predatory spiders in hybrid rice fields with different nitrogen regimes

ZHOU Xiao-jun;XYU Hong-xing;ZHENG Xyu-song;YANG Ya-jun;CHEN Li-wei;HE Jin-hao;LYU Zhong-xian;*

1Jinhua Academy of Agricultural Sciences, Jianghua 321017, China ;2Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;3Wuyi Innovation Service Center of Technology and Sciences, Wuyi 321000, China

Received:1900-01-01 Revised:1900-01-01 Online:2012-09-24 Published:2012-09-24

摘要/Abstract

摘要： 研究了田间自然条件下,不同氮肥施用量对杂交水稻上白背飞虱和蜘蛛种群的影响。结果表明,不同杂交水稻品种上白背飞虱的种群动态基本一致,拔节期密度最高。白背飞虱种群数量随氮肥施用量的增加而显著提高。在3个主栽杂交稻品种中,氮肥对‘深两优5814’上的白背飞虱种群数量增加影响最大,在水稻拔节期和孕穗期尤其显著。施用氮肥稻田的蜘蛛数量明显高于不施用氮肥的稻田,在齐穗期以后氮肥对蜘蛛数量的影响减少。方差分析结果表明,氮肥施用量、水稻品种及其生育期对白背飞虱和蜘蛛的数量均有极显著的影响。

关键词: 氮肥施用量, 杂交水稻, 白背飞虱, 蜘蛛

Abstract: Effects of nitrogen regimes on the population dynamics of white-backed planthopper (WBPH), Sogatella furcifera, and its predatory spiders on hybrid rice were determined in single season rice fields in Jinhua, China. The results showed that there was a similar tendency in WBPH population dynamics in the three tested hybrid rice fields with different nitrogen regimes, and the peak of population was found at the rice elongating stage. The abundance of WPBH population was significantly increased with the elevated application of nitrogen fertilizer, while the highest abundance of WBPH population was recorded during rice elongating and booting stages in the rice field of Shenliangyou 5814. Application of nitrogen fertilizer could obviously increase the number of predatory spiders before full panicle stage in all three tested rice fields. Three-way ANOVA indicated that the population dynamics of WBPH and spiders were significantly affected by nitrogen regime, hybrid varieties and their growth stages．

Key words: nitrogen regimes, hybrid rice, white\|backed planthopper (Sogatella furcifera), spider

周小军;徐红星;郑许松;杨亚军;陈礼威;何锦豪;吕仲贤;*. 氮肥施用量对杂交稻田白背飞虱和蜘蛛种群数量的影响[J]. , 2012, 24(5): 0-869.

ZHOU Xiao-jun;XYU Hong-xing;ZHENG Xyu-song;YANG Ya-jun;CHEN Li-wei;HE Jin-hao;LYU Zhong-xian;*. Population dynamics of white\|backed planthopper and its predatory spiders in hybrid rice fields with different nitrogen regimes[J]. , 2012, 24(5): 0-869.

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氮肥施用量对杂交稻田白背飞虱和蜘蛛种群数量的影响

Population dynamics of white\|backed planthopper and its predatory spiders in hybrid rice fields with different nitrogen regimes

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