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Journal of Agricultural Science and Technology، جلد ۲۷، شماره ۴، صفحات ۸۰۵-۸۱۵
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عنوان انگلیسی Demographic Performance of Scrobipalpa ocellatella (Boyd) (Lepidoptera: Gelechiidae) on Eight Prevalent Sugar Beet Cultivars
چکیده انگلیسی مقاله The sugar beet moth, Scrobipalpa ocellatella (Boyd) (Lepidoptera: Gelechiidae) is one of the most serious threats to sugar beet cultivation worldwide, causing economically significant yield loss. The life table parameters of S. ocellatella were determined on eight sugar beet cultivars (Dorothea, Ekbatan, Merak, Palma, Rozier, SBSI 007, Sharif, and Shokoofa) under laboratory conditions at 25±1oC, 60±5% RH and 16:8 hours (L:D) photoperiod. The longest (15.29 days) and shortest (7.61 days) female longevity was recorded on Shokoofa, and Merak cultivars, respectively. At the same time, Shokoofa and Merak cultivars had the highest and lowest total fecundity (85.26 eggs/female) and (32.39 eggs/female), respectively. The net reproductive rate (R0) varied from 9.31 eggs/individual to 39.44 eggs/individual on eight sugar beet cultivars; the lowest value was on Merak and the highest on Shokoofa. The highest intrinsic rate of increase (r) (0.102 d-1) and finite rate of increase (λ) (1.107 d-1) were on the Shokoofa cultivar. The results showed that all life table parameters of S. ocellatella were significantly different on the tested cultivars. According to the conducted laboratory experiments, Merak was the most resistant cultivar to S. ocellatella compared with the other cultivars tested.
کلیدواژه‌های انگلیسی مقاله Antibiosis,host plant resistance,Life table,Population growth,Sugar beet moth
نویسندگان مقاله Abolfazl Razini |
Islamic Azad University, Science and Research Branch, Tehran, Islamic Republic of Iran.

Ali Ahadiyat |
Islamic Azad University, Science and Research Branch, Tehran, Islamic Republic of Iran.

Aziz Sheikhi Garjan |
Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Islamic Republic of Iran.

Yaghoub Fathipour |
Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Islamic Republic of Iran.

نشانی اینترنتی https://jast.modares.ac.ir/article_17051_545c6b154955e47610fbc4a3ba4f04ce.pdf
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