Effect of different tomato cultivars on some biological characteristics of Helicoverpa armigera (Hübner, 1808) (Lepidoptera: Noctuidae) under lab conditions
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Development, body weight and reproduction of the tomato fruit worm, Helicoverpa armigera (Hübner), were studied at 26 ± 1°C; 60 ± 10 % RH and a light: dark cycle of 16:8 h on ten tomato cultivars: Aras, Atrak, Korall, Mobil, Rio Grande Hed, Sivand, Super Chief, Super Mobil, Super Queen and Super Urbana in the laboratory. The shortest larval duration was recorded on Super Chief (18.98 ± 0.94 days) while the longest was seen on Super Queen(22.07 ± 0.32 days). The developmental time of immature stages ranged from 37.62 ± 0.24 days on Super Chief to 42.69 ± 0.48 days on Super Queen. Pupal period ranged from 11.60 ± 0.32 days to 13.19 ± 0.15 days on Aras and Super Queen, respectively. Maximum pupal weight was 323.67 ± 4.56 mg on Aras and was minimum on Super Queen (200.83 ± 3.03 mg). The maximum and minimum female longevity was observed on Atrak (14.78 ± 0.39 days) and Super Queen (12.77 ± 0.86 days), respectively. The life time of males ranged from 7.20 ± 0.20 days on Super Mobil to 9.22 ± 0.17 days on Mobil. The mean number of eggs deposited on different cultivars varied with 360.25 ± 21.15 eggs on Korall in 8.83 ± 0.43 days and 160.68 ± 22.37 eggs on Super Queen in 8.35 ± 0.44 days. It could be concluded that Korall, followed by Aras and Super Chief were suitable and Super Queen and Super Urbana were unsuitable cultivars for growth and development of H. armigera larvae.
Keywords:
Language:
English
Published:
Journal of Entomological Society of Iran, Volume:37 Issue: 4, 2018
Pages:
493 to 506
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