تاثیرحشره کشی، دورکنندگی و بازدارندگی تخمریزیعصاره‌های هگزانی برخی از گیاهان بر شپشه آردTribolium confusum (Col.: Tenebrionidae)

محورهای موضوعی : گیاه پزشکی

اسماعیل کرمی ¹ ()
سعیده لونی ² ()
زهرا رفیعی کرهرودی ³ ()

تاریخ دریافت : 1390/01/19 تاریخ پذیرش : 1390/11/19 تاریخ انتشار : 1390/09/01

کلید واژه: بازدارندگی, شپشه آرد, repellency, Tribolium confusum, دورکنندگی, حشره‌کشی, عصاره هگزانی, تخمریزی, Hexane Extract, insectice effect, oviposition deterrent,

چکیده مقاله :

شپشه ی آرد Tribolium confusum Duval (Col.: Tenebrionidae) از جمله آفات انباری است که از لحاظ کمی و کیفی خسارت زیادی به آرد می‌رساند. باتوجه به خسارت بالای آفات انباری و اثر سوء سموم شیمیایی استفاده از ترکیبات گیاهی یکی از بهترین روش‌های کنترل آفات انباری محسوب می‌شود. در این تحقیق تاثیر لاروکشی (17روزه)، دورکنندگی (حشره‌کامل) و بازدارندگی تخمریزی عصاره‌های هگزانی استبرق (برگ و گل) Calotropis procera (Ait.) R. Br، وینکا Vinca minor L.، قیچ Zygophyllum fabago L. و زبان‌درقفا Delphinium persicum روی شپشه آرد بررسی شد. نتایج آزمایش ها نشان داد عصاره هگزانی قیچ در غلظت 50 درصد با میانگین 69/60 درصد کشندگی روی لارو بیشترین اثر لاروکشی را داشته و عصاره وینکا با میانگین 41/30 درصد کشندگی روی لارو کم‌ترین اثر لاروکشی را داشت. همچنین عصاره‌های هگزانی قیچ، زبان‌درقفا و استبرق دارای اثر دورکنندگی بودند. اثر عصاره‌ها روی بازدارندگی تخمریزی حشره‌کامل نشان داد میان عصاره‌های مورد مطالعه اختلاف معنی‌داری در بازدارندگی تخمریزی حشره‌کامل وجود ندارد ولی میان عصاره‌های مورد آزمایش و تیمار شاهد اختلاف معنی‌دار وجود دارد. این نتایج نشان ‌دهنده این بود که این عصاره‌ها دارای خاصیت حشره‌کشی و دورکنندگی و بازدارندگی تخمریزی می‌باشد.

چکیده انگلیسی:

Tribolium confosum is one of the most important pests of stored products that can damage the quality and quantity of flour. Using the plant syntheses is one of the best methods to control of stored products pests especially that insecticides have many dangerous effects in environment and the amount of damage is high. The purpose of this research was to compare the efficiency of hexane extracts of some plants oviposition deterrent rate, larvicidal rate and repellency rate against T.confosum: Calotropis procera, Vinca minor, Zygophylum fabago and Delphinium persicum. The results showed that Z. fabago in 50% pure extract was the most effective extract by 60.69% larvicidal percent and V.  minor was the least effective extract by 30.41% larvicidal percent. Z. fabago, D. persicum and                  C. procera were effective in repelling of pests. These extracts reduces to oviposition in comparing to control but there was no significant difference between the extracts oviposition deterrent in adults. As these exctacts have repellency, oviposition deterrent and insecticidal effects, can be used as a source to control this pest. 

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