Assessment of eight rice cultivars flour for feeding resistance to Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) |
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| Affiliation: | 1. Centro de Ciências Biológicas e da Natureza, Universidade Federal de Acre, Rio Branco, AC 69915-900, Brazil;2. Departamento de Engenharia Agrícola, Universidade Federal de Viçosa, Viçosa, MG 36579-900, Brazil;3. Campus Codó, Instituto Federal do Maranhão, Codó, MA 36693-000, Brazil;1. Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Phytokou str., Nea Ionia, Magnesia, 38446, Greece;2. Department of Grain Science and Industry, Kansas State University, Shellenberger Hall 306, 66506, Manhattan, KS, USA;1. College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety/Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economies, No.3 Wenyuan Road, Nanjing, Jiangsu 210023, China;2. Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;1. Department of Smart Agriculture Systems, Chungnam National University, Daejeon, 34134, South Korea;2. Department of Biosystems Machinery Engineering, Chungnam National University, Daejeon, 34134, South Korea;3. Department of Applied Biology, Chungnam National University, Daejeon, 34134, South Korea;1. Laboratoire de production, sauvegarde des espèces menacées et des récoltes. Influence des variations climatiques. Faculté des sciences biologiques et des sciences agronomiques, Université Mouloud Mammeri, Tizi-Ouzou 15000, Algeria;2. UMR IGEPP INRAE/Agrocampus Ouest/Université Rennes 1, Agrocampus Ouest, 49054 Angers cedex 01, France |
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| Abstract: | Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) is an important pest of processed stored grains worldwide. Study of life history, feeding efficiency and digestive function of an insect on different host cultivars can indicate their resistance for the insect's population increase. Due to the economic importance of T. castaneum on stored rice flour, this research was aimed to investigate the life history, feeding indices and digestive enzymatic activity of T. castaneum on flour of eight rice cultivars (Ali-Kazemi, Dom-Siah, Fajr, Gilaneh, Gohar, Hashemi, Khazar, and Neda). A delay in the developmental time of T. castaneum was detected on cultivar Gohar. The lowest fecundity and egg fertility were observed on cultivar Gohar. Feeding indices of fourth instar larvae were the lowest on cultivars Gohar and Neda. The amylolytic activity of fourth instar larvae was the highest on cultivars Hashemi, Dom-Siah, Ali-Kazemi and Gilaneh, and the lowest on cultivar Gohar. Also, the highest and lowest proteolytic activities of fourth instar larvae were on cultivars Khazar and Hashemi, respectively. Significant correlations were detected between tested parameters of T. castaneum with starch and protein value of examined cultivars flour. The results of cluster analysis indicate that Dom-Siah, Hashemi and Ali-Kazemi are relatively susceptible cultivars, and other tested cultivars, especially Gohar, are relatively resistant cultivars for feeding of T. castaneum. The resistant rice cultivars could be further evaluated to identify secondary biochemicals that contribute to T. castaneum resistance. |
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| Keywords: | Rice cultivar Nutritional indices Digestive enzymes |
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