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Phosphine gas generated from an aluminium phosphide tablet exhibits early knock down effects on tamarind pod borer

机译:从磷化铝片产生的膦天然气在罗望子荚硼尔上表现出早期击倒效果

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摘要

The tamarind pod borer, Sitophilus linearis (Herbst), causes severe damage to the seed pods of tamarind (Tamarindus indica L.) in the field and during storage. The seeds pods are either sun dried or treated with neem seed oil to get rid of the weevil infestation during storage. Herein, we study the effect of phosphine (PH3) against S. linearis and compare its response with the susceptible and resistant strain of rice weevil, Sitophilus oryzae (L.), which is a commonly stored product pest. The dose-mortality response indicates that the adults of S. linearis are relatively more susceptible to PH3 than the phosphine-susceptible strain (SO-24) of S. oryzae. At 72 h, PH3 induces 100% mortality to the adults of S. linearis at a low test concentration of 0.001 mg L-1, on the other hand for S. oryzae, 0.025 and 0.243 mg L-1 concentrations are required to induce complete mortality in the PH3-susceptible (SO-24) and resistant (SO-106) strains of S. oryzae. The results of the present study imply that S. linearis can be easily mitigated at a concentration of 0.001 mg L-1 over 72 h exposure, which is well below the recommended dosage of 2.25 mg L-1 over 168 h exposure required for managing S. oryzae infestation.
机译:Tamarind Pod Borer,Serihophilus Linearis(草药),对田间和储存期间的罗马林(Tamarindus Impla L.)的种子荚造成严重损坏。种子荚是阳光干燥或用Neem籽油处理,以摆脱储存期间的象鼻虫侵扰。在此,我们研究膦(pH3)对S. LineAlis的影响,并比较其与敏感和耐药菌株的敏感菌株,锡洛氏菌(L.)的反应,这是一种常用的产品害虫。剂量 - 死亡率反应表明,S.LineAlis的成虫比S. Oryzae的膦易受菌株(SO-24)相对较易受pH3的影响。在72小时,PH3以0.001mg L-1的低试验浓度诱导10%的死亡率,另一方面,对于S. Oryzae,0.025和0.243mg L-1浓度需要诱导完成PH3易感(SO-24)和抗性(SO-106)菌株的死亡率。本研究的结果意味着S.线性可以以0.001mg L-1的浓度容易地减轻72小时暴露,这远低于管理S.管理S所需的2.25mg L-1的推荐剂量超过168小时。 。oryzae侵扰。

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  • 来源
    《RSC Advances》 |2016年第93期|共7页
  • 作者单位

    Cent Food Technol Res Inst CSIR Food Protectants &

    Infestn Control Dept Mysore 570020 Karnataka India;

    Cent Food Technol Res Inst CSIR Food Protectants &

    Infestn Control Dept Mysore 570020 Karnataka India;

    Cent Food Technol Res Inst CSIR Food Protectants &

    Infestn Control Dept Mysore 570020 Karnataka India;

    Cent Food Technol Res Inst CSIR Food Protectants &

    Infestn Control Dept Mysore 570020 Karnataka India;

    Cent Food Technol Res Inst CSIR Food Protectants &

    Infestn Control Dept Mysore 570020 Karnataka India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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