Effect of different Solanaceous host plants on nutritional indices of Spodoptera exigua (Lepidoptera: Noctuidae)
Publish place: Journal of Crop Protection، Vol: 4، Issue: 3
Publish Year: 1394
Type: Journal paper
Language: English
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Document National Code:
JR_JCP-4-3_007
Index date: 4 November 2023
Effect of different Solanaceous host plants on nutritional indices of Spodoptera exigua (Lepidoptera: Noctuidae) abstract
The beet armyworm Spodoptera exigua (Hübner) is a serious and economically important pest of solanaceous crops worldwide. The nutritional indices of this pest on three host plants including pepper Capsicum frutescens, eggplant Solanum melongena and tomato Solanum lycopersicum were determined under laboratory conditions at 26 ± 1 °C, 60 ± 5% RH and 16: 8 (L: D) h. The highest relative consumption rate (9.40 mg/mg/day) and approximate digestibility (95.20%) were recorded on eggplant. The relative growth rate (RGR) (0.08 mg/mg/day) was the highest on tomato. The efficiency of the conversion of ingested food (ECI) (1.66%) and efficiency of conversion of digested food (ECD) (2.22%) were significantly highest on pepper. Results showed that pepper was the most nutritionally suitable food and even small amount of this food could successfully support maximum RGR as evidenced by high value of ECI and ECD.
Effect of different Solanaceous host plants on nutritional indices of Spodoptera exigua (Lepidoptera: Noctuidae) Keywords:
Effect of different Solanaceous host plants on nutritional indices of Spodoptera exigua (Lepidoptera: Noctuidae) authors
Fariba Mehrkhou
Department of Plant Protection, Faculty of Agriculture, Urmia University, Urmia, Iran.
Mahdieh Musavi
Department of Plant Protection, Faculty of Agriculture, Urmia University, Urmia, Iran.
Ali Asghar Talebi
Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.