Effect of Relative Humidity and Temperature on Shelf Life of Sorghum, Lentil and Niger Seeds
International Journal of Applied Agricultural Sciences
Volume 2, Issue 6, November 2016, Pages: 83-91
Received: Apr. 20, 2016; Accepted: Jul. 7, 2016; Published: Nov. 2, 2016
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Authors
Fikirte Assefa, Ethiopian Biodiversity Institute, Hawassa Biodiversity Centre, Hawassa, Ethiopia
Kalyani Srinivasan, Division of Germplasm Conservation, NBPGR, New Delhi, India
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Abstract
Seeds of three crops viz. lentil, sorghum and niger were compared for their storability at different relative humidities (RH) and temperatures. Two varieties per crop were selected i.e. lentil (L-4076 and L-4578), sorghum (CSV-15 and CSV-216R.) and niger (GA-10 and JNC-6) for this study. The humidity levels selected were 95, 75, 50, 33 and 5.5% which were maintained using saturated salt solutions of KNO3, NaCl, Ca(NO3)2, MgCl2 and ZnCl2 respectively at ambient, 10 and35°C temperatures. Total duration of the experiment was 90 days for storage at all RH except the highest (95%) in which the duration was reduced to 20 days. Monitoring for seed germination, vigour and electrical conductivity was carried out at one-month interval in all the seed lots except those stored at highest RH at three different temperatures. In the later, the seeds were monitored at 10 days interval for the above-mentioned parameters. Results revealed that increased rate of deterioration occurred irrespective of type of seeds or cultivars at high RH and temperature. Germination and vigour index declined significantly when seeds were stored at very high (95%) to high (75%) RH and 35°C temperature while the electrical conductivity recorded a steep increase at these conditions implying their usefulness as indices for seed quality loss.
Keywords
Lentil, Sorghum, Niger, Relative Humidity, Temperature, Electrical Conductivity, Vigor Index
To cite this article
Fikirte Assefa, Kalyani Srinivasan, Effect of Relative Humidity and Temperature on Shelf Life of Sorghum, Lentil and Niger Seeds, International Journal of Applied Agricultural Sciences. Vol. 2, No. 6, 2016, pp. 83-91. doi: 10.11648/j.ijaas.20160206.12
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Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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