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Assessing Germinating Seeds of Legume and Cereal Crops to Enhance Oxygen Depletion: A Novel Approach in Hermetic Storage

Author

Listed:
  • Gunakeshari Lamsal

    (Department of Entomology, Purdue University, West Lafayette, IN 47907, USA)

  • Jeffrey Volenec

    (Department of Agronomy, Purdue University, West Lafayette, IN 47907, USA)

  • Kingsly Ambrose

    (Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, USA)

  • Dieudonne Baributsa

    (Department of Entomology, Purdue University, West Lafayette, IN 47907, USA)

Abstract

Hermetic storage systems are used around the world to reduce stored product losses. Scavenging residual oxygen in hermetic containers can further enhance their effectiveness in minimizing stored commodity losses. Our objective was to assess the effectiveness of germinating seeds of soybeans, rice, cowpeas, and corn in scavenging oxygen. There were six germination stages: seeds soaked for 24 h and allowed to grow for 1, 2, 3, 4, 5, or 6 days (T1 to T6). Oxygen consumption was monitored for 30 h. Root length, the weight of mobilized seed reserve, and visual fungal growth were also assessed. The results showed that cowpeas in their fourth (T4), fifth (T5), and sixth (T6) germination stages were the most effective in scavenging oxygen to below 5% after only 12 h. Corn in its fifth (T5) germination stage took twice the time (24 h) of cowpeas (T4–T6) to reach 5%. Hypoxia affected the growth of radicle length and seed reserve mobilization in all crops except soybeans. Very minimal fungal growth was observed on germinating cowpea seeds under hermetic conditions. The fourth stage (T4) of germinating cowpeas has more potential as an oxygen scavenger because it requires less time to grow, and the seeds are easy to handle. Further research is needed to understand the role of seed weight and sizes, crop varieties, and genetic mechanisms that govern rapid oxygen consumption by germinating seeds among crops. Harnessing seeds as oxygen scavengers to reduce storage losses holds the promise of advancing the sustainable utilization of resources on smallholder farms.

Suggested Citation

  • Gunakeshari Lamsal & Jeffrey Volenec & Kingsly Ambrose & Dieudonne Baributsa, 2023. "Assessing Germinating Seeds of Legume and Cereal Crops to Enhance Oxygen Depletion: A Novel Approach in Hermetic Storage," Sustainability, MDPI, vol. 15(23), pages 1-15, November.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:23:p:16403-:d:1290238
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    References listed on IDEAS

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    1. Abedin, M.Z. & Rahman, M.Z. & Mia, M.I.A. & Rahman, K.M.M., 2012. "In-store losses of rice and ways of reducing such losses at farmers’ level: An assessment in selected regions of Bangladesh," Journal of the Bangladesh Agricultural University, Bangladesh Agricultural University Research System (BAURES), vol. 10.
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