Evaluation of plastic and steel bins for protection of stored maize against Insect Infestation in Ghana

Poster

Autor/innen

  • Augustine Bosomtwe Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
  • Enoch A. Osekre Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
  • George P. Opit Oklahoma State University, Department of Entomology and Plant Pathology, Stillwater, OK, 74078.
  • George N. Mbata Agricultural Research Station, Fort Valley State University, Fort Valley, GA 31030, USA
  • Paul R. Armstrong USDA-Agricultural Research Service, Manhattan, KS 66502, USA
  • Frank H. Arthur USDA-Agricultural Research Service, Manhattan, KS 66502, USA
  • James F. Campbell USDA-Agricultural Research Service, Manhattan, KS 66502, USA
  • Evans P. Nsiah PENS Food Bank, P. O. Box 143, Ejura- Ashanti, Ghana

DOI:

https://doi.org/10.5073/jka.2018.463.210

Schlagworte:

storage bin, post-harvest loss, aflatoxin, fumonisin, grain storage

Abstract

Maize is a staple food in Ghana where there is ever increasing demand for its use to also support poultry and livestock production. However, post-harvest loss of maize is high in Ghana. This study evaluated the effectiveness of plastic and steel bins as bulk storage structures to reduce maize post-harvest loss in Ejura, Ghana during the period from February 2016 to January 2017. Maize pre-disinfested with a solar biomass hybrid dryer was stored in the following treatments: i. a white 7-ton plastic bin filled with untreated maize, ii. agreen 7-ton plastic bin filled with untreated maize, iii.a 6-ton Kikapu steel bin filled with untreated maize, iv. six 50-kg polypropylene (PP) bags filled with maize treated with Betallic Super (80 g pirimiphos-methyl and 15 g permethrin per liter as an emulsifiable concentrate (EC)), and v. six 50-kg PP bags filled with untreated maize ascontrol. Moisture content, insect pests, insect damaged kernels (IDK), grain weight loss, aflatoxin and fumonisin levels data were collected monthly. Sitophilus zeamais, Tribolium castaneum, Cathartus quadricollis, and Cryptolestes ferrugineus were the dominant insect species collected from maize samples. At the end of 12 months of storage, % IDK in the control was >17% while IDK values in the other treatments were <3%. Mean grain weight losses of <1% were recorded in the bin treatments. Mycotoxin levels in the control were above the allowable threshold of 15 ppb. Our data suggest that use of plastic and steel bins has potential to reduce post-harvest loss of maize during storage.

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Veröffentlicht

2018-11-06

Ausgabe

Nr. 463 (2018): Proceedings of the 12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018

Rubrik

Session 8: Postharvest Management and Extension in Developing Countries

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