Hermetic storage for control of common bean weevil,Acanthoscelides obtectus (Say) |
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| Affiliation: | 1. Departamento de Engenharia Agrícola, Universidade Federal de Viçosa, Viçosa, MG, Brazil;2. Departamento de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil;1. Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada;2. Agriculture and Agri-Food Canada, Cereal Research Centre, 195 Dafoe Road, Winnipeg, MB R3T 2M9, Canada;1. Department of Food Science & Technology, Faculty of Agriculture, University of Peradeniya, 20400, Sri Lanka;2. Rice Research Station, Department of Agriculture, Ambalantota 82100, Sri Lanka;1. International Center for Insect Physiology and Ecology, P.O. Box 30772-00100, Nairobi, Kenya;2. Department of Food Science, Nutrition and Technology, University of Nairobi, P.O Box 29053-00625, Nairobi, Kenya;3. Purdue University, West Lafayette, IN 47907, USA;1. Faculdade de Agronomia e Engenharia Florestal, Universidade Eduardo Mondlane (UEM), Maputo, Mozambique;2. International Rice Research Institute (IRRI) – Delegation in Mozambique, Maputo, Mozambique;3. Centro BioTrop, Instituto de Investigação Científica Tropical (IICT), Lisbon, Portugal;1. Department of Soil Science & Agricultural Engineering, University of Zimbabwe, Box MP 167, Harare, Zimbabwe;2. Institute of Food, Nutrition and Family Sciences, University of Zimbabwe, Box MP 167 Harare, Zimbabwe;3. Natural Resources Institute, University of Greenwich, Central Avenue, Chatham Maritime, Kent, ME4 4TB, UK;4. Department of Agricultural Economics and Extension, University of Zimbabwe, Box MP 167, Harare, Zimbabwe;1. Fac. de Cs. Exactas Ingeniería y Agrimensura, UNR, IFIR (CONICET/UNR), Av. Pellegrini 250, 2000 Rosario, Argentina;2. Consejo de Investigaciones de la UNR, Fac. de Cs. Exactas Ingeniería y Agrimensura, UNR, Av. Pellegrini 250, 2000 Rosario, Argentina;3. National Institute of Agricultural Technologies (INTA), Ruta 226 km 73,5, 7620 Balcarce, Argentina;4. National Institute of Agricultural Technologies (INTA) – CONICET, Ruta 226 km 73,5, 7620 Balcarce, Argentina |
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| Abstract: | This study evaluated hermetic storage as a method of controlling Acanthoscelides obtectus (Coleoptera: Chrysomelidae: Bruchinae) in stored beans. Recently harvested “vermelhinho” cultivar of the common red bean was used, which had already been infested by A. obtectus in the field. Beans with a moisture content of 15.0% wet basis were stored in silo bags (3 kg), plastic bottles (1.5 L), or non-hermetic glass containers (3 L) (control) for 120 days. The packages were stored in an acclimatized chamber at 25 °C with a relative humidity of 70 ± 5%. At time intervals of 0, 30, 60, 90, and 120 days, three packages of each treatment were opened, and analyses were performed to assess the infestation percentage by insect pests, moisture content, density, electrical conductivity, germination percentage, and cooking time. There was no increase in infestation by A. obtectus in the grains stored in the silo bags and plastic bottles during the 120 days of storage; however, there was a significant increase in infestation in the grains in non-hermetic storage (control). The quality of the beans correlated with infestation; it was not altered in the hermetic storage systems and decreased in the control sample. Hermetic storage of common beans is an effective tool in the control of A. obtectus. |
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| Keywords: | Bruchid Modified atmosphere Plastic bottle Silo bag |
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