Influence of different host plant cultivars on nutritional indices of Plutella xylostella (Lepidoptera: Plutellidae)
محل انتشار: Journal of Crop Protection، دوره: 3، شماره: 1
سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 89
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شناسه ملی سند علمی:
JR_JCP-3-1_005
تاریخ نمایه سازی: 13 آبان 1402
چکیده مقاله:
The diamondback moth, Plutella xylostella (L.) is a serious and economically important pest of cruciferous crops worldwide. The nutritional indices of this pest on four host plants including two canola (SLM۰۴۶ and RGS۰۰۳) and two cabbage cultivars (Green-Cornet and Glob-Master) were determined under laboratory conditions (۲۵ ± ۰.۵ °C, ۶۵ ± ۵% RH and ۱۶: ۸ L: D h). The highest relative consumption rate (RCR) and relative growth rate (RGR) were recorded on RGS۰۰۳ (۹۵.۶۸ ± ۱۴.۵۲ mg/mg/day) and SLM۰۴۶(۰.۳۸۲ ± ۰.۰۴۱ mg/mg/day), respectively. The efficiency of the conversion of ingested food (ECI) and efficiency of conversion of digested food (ECD) were significantly higher on SLM۰۴۶ (۲.۲۹۸ ± ۰.۶۴۶ and ۲.۴۷۱ ± ۰.۷۱۹%, respectively). However, there was no significant difference among cultivars regarding approximate digestibility (AD) index. The highest feeding performance of the larvae of P. xylostella was found on SLM۰۴۶. The nutritional indices are appropriate tools in host plant resistance evaluation and they also could provide profound understanding of the behavioral and physiological bases of insect-host plant interactions.
کلیدواژه ها:
نویسندگان
Roja Kianpour
Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, P. O. Box: ۱۴۱۱۵-۳۳۶, Tehran, Iran.
Yaghoub Fathipour
Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, P. O. Box: ۱۴۱۱۵-۳۳۶, Tehran, Iran.
Javad Karimzadeh
Isfahan Research Centre for Agriculture and Natural Resources, Isfahan, Iran.
Vahid Hosseininaveh
Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.