Amadou, L and Baoua, I and Ba, M N and Muniappan, R (2019) Development of an Optimum Diet for Mass Rearing of the Rice Moth, Corcyra cephalonica (Lepidoptera: Pyralidae), and Production of the Parasitoid, Habrobracon hebetor (Hymenoptera: Braconidae), for the Control of Pearl Millet Head Miner. Journal of Insect Science (TSI), 19 (2). pp. 1-5. ISSN 1536-2442
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Abstract
The rice moth, Corcyra cephalonica Stainton, an alternate host for the production of the parasitoid, Habrobracon hebetor Say, was reared on different diets, including pearl millet [Pennisetum glaucum (L.) R. Br.] (Poales: Poaceae) flour only, and in combinations of flours of sorghum [Sorghum bicolor (L.) Moench] (Poales: Poaceae), peanut (Arachis hypogea L.) (Fabales: Fabaceae), and cowpea [Vigna unguiculata (L.) Walp.] (Fabales: Fabaceae) to identify the optimal and economical proportion to be used under the conditions of Niger. The addition of cowpea or peanut to the pearl millet diet slightly increased C. cephalonica larval development time. Likewise, the addition of cowpea or peanut to cereal diets yielded a higher C. cephalonica larval survival. Female moths emerging from larvae fed on cereal and legume mixed diets produced higher eggs compared to the ones fed on sole and mixed cereals. Among legumes, cowpea addition is most interesting in terms of cost/production of C. cephalonica larvae. However, female moths emerging from larvae fed on different millet cowpea mix (5, 25, and 50%) laid significantly more eggs than those fed on sole pearl millet. Further, individual C. cephalonica larvae fed on 75% pearl millet + 25% cowpea produced significantly more H. hebetor. With an initial 25 C. cephalonica larvae kept for a 3-mo rearing period, the number of H. hebetor parasitoids produced will reach 2.68–10.07 million. In terms of cost/production ratio, the 75% pearl millet: 25% cowpea yielded better results.
| Item Type: | Article |
|---|---|
| Divisions: | Research Program : West & Central Africa |
| CRP: | UNSPECIFIED |
| Uncontrolled Keywords: | Niger, Habrobracon hebetor, Corcyra cephalonica, millet head miner, pearl millet, cowpea |
| Subjects: | Mandate crops > Millets > Pearl Millet Others > Cowpea |
| Depositing User: | Mr Ramesh K |
| Date Deposited: | 12 Mar 2019 10:06 |
| Last Modified: | 12 Mar 2019 10:06 |
| URI: | http://oar.icrisat.org/id/eprint/11090 |
| Official URL: | http://dx.doi.org/10.1093/jisesa/iez020 |
| Projects: | UNSPECIFIED |
| Funders: | Feed the Future Collaborative Research on Sorghum and Millet Innovation Lab by the U.S. Agency for International Development |
| Acknowledgement: | This study was made possible through support provided by the Feed the Future Collaborative Research on Sorghum and Millet Innovation Lab by the U.S. Agency for International Development, under the terms of grant no. AIDOAA- A-13-00047. The authors appreciate the assistance provided by the Feed the Future Innovation Lab for Integrated Pest Management. The opinions expressed herein are those of the authors and do not necessarily reflect the views of the U.S. Agency for International Development or the U.S. Government. This study was conducted under the CGIAR research program on Dryland Cereals. |
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