Chemical composition, toxicity and physiological effects of essential oil of Rosemarinus officinalis on lesser mulberry pyralid, Glyphodes pyloalis Walker (Lepidoptera: Pyralidae)
Publish place: Journal of Crop Protection، Vol: 2، Issue: 4
Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JCP-2-4_009
تاریخ نمایه سازی: 13 آبان 1402
Abstract:
Mulberry pyralid, Glyphodes pyloalis Walker is an important pest on mulberry. The essential oil of Rosemary Rosemarinus officinalis L. (Lamiales: Lamiaceae) has been investigated on toxicity and physiological characteristics of this moth under controlled conditions. The major compounds of the oil were analyzed as ۱, ۸ Cineol (۲۰.۰۲۱%), Borneol (۷.۱۷%), Camphor (۶.۵۴۱%), Geraniol (۶.۲۸۱%), Camphene (۵.۶۲۳%), Linalool (۴.۹۹۳%) Alpha fenchyl acetate (۴.۲۲۲%) and Verbenone (۴.۱۴۷%). Lethal and sublethal concentrations (LC۱۰, LC۳۰ and LC۵۰) were estimated ۰.۷۷%, ۱.۱۸% and ۱.۵۹% (v/v) respectively. The essential oil affected the nutritional indices of fourth instar larvae of G. pyloalis. efficiency of conversion of ingested food (ECI), efficiency of conversion of digested food (ECD), relative consumption rate (RCR) and relative growth rate (RGR) were reduced in larvae treated with R. officinalis essential oil while approximate digestibility (AD) in treated larvae was significantly increased compared with the control. The essential oil affected the insect’s some key metabolic compounds like; lipid, protein and carbohydrates. Similarly this effect was also significant in the activities of certain key enzymes like; alpha- amylase, lipase, protease, glutathione-s-transferase and esterases.
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Authors
Elham Yazdani
Department of Plant Protection, Faculty of Agriculture, University of Guilan, Rasht, Iran.
Jalal Jalali Sendi
Department of Plant Protection, Faculty of Agriculture, University of Guilan, Rasht, Iran.
Alireza Aliakbar
Department of Chemistry, Faculty of Basic Sciences, University of Guilan, Rasht, Iran.