| 栗实象的出土节律与趋光性研究 |
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| 引用本文： | 管国良,杨涛,童敬翔,邵艳琴,宋鹏.栗实象的出土节律与趋光性研究[J].四川林业科技,2020,41(1):105-109. |
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| 作者姓名： | 管国良 杨涛 童敬翔 邵艳琴 宋鹏 |
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| 作者单位： | 德昌县林业和草原局,四川凉山 615500;四川省长江造林局,四川宜宾 644000;四川农业大学林学院,四川成都 611130;四川丹佛信息技术服务有限公司,四川成都 610000;四川省林业科学研究院,四川成都 610084 |
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| 基金项目： | 德昌县林业有害生物普查项目 |
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| 摘 要： | 为研究栗实象(Curculio davidi Fairmaire)羽化出土成虫进程的生物学特征和对光源趋性反应,通过定点定量测定栗实象出土量和进度,及其对直射和反射光源的趋光性比例。结果表明,栗实象成虫出土时间为5月下旬至6月下旬,为期30 d,集中于5月下旬至6月上旬,出土进度先快后慢。栗实象成虫对直射性紫光黑光趋性反应最明显,分别为56.11%、55.00%,但受到多种因素影响林间灯诱捕杀效果不显著,日均诱虫量分别为1.9只和2.3只,试验初步佐证了成虫弱趋光性的特征。成虫集中出土期是防治栗实象危害的重要阶段和关键时期,在防治上应予重视。
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| 关 键 词： | 栗实象 出土节律 趋光性 |
Research on Unearthed Rhythm and Phototaxis of Curculio davidi Fairmaire |
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| GUAN Guoliang,YANG Tao,TONG Jingxiang,SHAO Yanqin,SONG Peng.Research on Unearthed Rhythm and Phototaxis of Curculio davidi Fairmaire[J].Journal of Sichuan Forestry Science and Technology,2020,41(1):105-109. |
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| Authors: | GUAN Guoliang YANG Tao TONG Jingxiang SHAO Yanqin SONG Peng |
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| Institution: | (Dechang Forestry and Grassland Administration,Liangshan 615500,China;Yangtze River Afforestation Bureau,Yibin 644000,China;College of Forestry,Sichuan Agricultural University,Chengdu 611130,China;Sichuan Denver Information Technology Service Co.,Ltd.,Chengdu 610000,China;Sichuan Academy of Forestry,Chengdu 610084,China) |
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| Abstract: | In order to study the biological features of unearthed rhythm and phototaxis of Curculio davidi Fairmaire,observadions were conducted on the amount and progress of unearthed adults and their phototaxis ratio to reflective and direct light sources.The results showed that the adult emerged from late May to late June,lasting for 30 days,with the initially fast pace of and then gradually pace slow and the maximum period was from late May to early June.The Curculio davidi adults were most sensitive to reflective purple and black light,and with a percentage of 56.11 and 55.00 respectively.Due to various factors in the field,the trapping and killing effect was not so efficient and the daily average trapping amount was 1.9 and 2.3 respectively.And the study proved the characteristics of weak phototaxis of adults.The unearthed period was a very crucial stage of preventing and controling the harm of Curculio davidi Fairmaire and the risks of its plague.So this stage should be taken seriously. |
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| Keywords: | Curculio davidi Fairmaire Unearthed rhythm Phototaxis |
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