烟碱对槟榔红脉穗螟生长发育和存活的影响
作者:
作者单位:

作者简介:

通讯作者:

基金项目:

海南省重点科技计划项目(ZDXM20120029、ZDXM20130049); 公益性行业(农业)科研专项(200903026); 海南省重大科技项目(ZDZX2013008-2)


Effect of nicotine on the development and survival of Tirathaba rufivena Walker (Lepidoptera: Pyralididae)
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
    摘要:

    【背景】红脉穗螟是槟榔上的重要害虫,近年来危害日愈严重。【方法】采用饲喂法、浸卵法研究了烟碱对红脉穗螟不同龄期幼虫的生物活性及对卵、幼虫、蛹发育和存活的影响。【结果】烟碱对红脉穗螟各龄幼虫均表现出生物活性,且随着龄期的增大,红脉穗螟幼虫对烟碱的敏感性呈现降低的趋势;烟碱对红脉穗螟5龄幼虫的LC25、LC50、LC90分别为5.13、20.69、292.10 mg·L-1,同时烟碱可延长幼虫和蛹的发育历期。经不同浓度烟碱处理后,卵的孵化率大大降低,且初孵幼虫存活率也受到影响,部分幼虫无法成功转至2龄;同一卵龄中,LC25和LC50处理的卵孵化率无明显差异,且显著高于LC90处理组。不同浓度烟碱处理后的红脉穗螟化蛹率和羽化率均显著降低,其中以LC90处理组影响最大,化蛹率和羽化率仅为18.89%和15.56%,显著低于对照组。【结论与意义】烟碱作为一种重要的植物源杀虫剂,对红脉穗螟的发育和存活均表现出生物活性,可作为该虫防治的备选药剂。

    Abstract:

    【Background】Tirathaba rufivena Walker is one of the important lepidopteran pests in Areca catechu L., and its damage has increased recently. 【Method】In order to detect the effect of nicotine on the development and survival of T.rufivena, eggs were dipped, and larvae were fed with diet containing various concentrations of nicotine to describe the biological activity on eggs, larvae, pupae. 【Result】Nicotine showed bio-activities against all larval instars of T.rufivena, but the sensitivity was gradually reduced during larval development. The LC25, LC50 and LC90 values for 5th instar larvae were 5.13 mg·L-1, 20.69 mg·L-1 and 292.10 mg·L-1, respectively; the development of larvae and pupae was delayed. Nicotine also reduced egg hatchability and the survival newly hatched larvae. Egg hatchability did not differ between treatments with LC25 and LC50 doses, but the LC90 treatment caused lower egg hatch. The pupation and emergence rates were also decreased; at LC90, they were 18.89% and 15.56%, respectively, both significantly lower than those in the control group. 【Conclusion and significance】As an important botanical pesticide, nicotine showed strong negative effects on the development and survival of T.rufivena, and may be used as reference in pesticide development.

    参考文献
    相似文献
    引证文献
引用本文

吕朝军,钟宝珠,钱军,苟志辉,覃伟权.烟碱对槟榔红脉穗螟生长发育和存活的影响[J].生物安全学报中文版,2013,22(3):201-205

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
历史
  • 收稿日期:
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期:
×
《生物安全学报》
近日,有作者反映收到假冒编辑邮件,请作者仔细甄别。