PERFORMANCE EVALUATION OF SUB-BARIC STORAGE BIN FOR SEED STORAGE
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Date
2023-01-05
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Abstract
The study was conducted to evaluate the performance of SBSB at 650 mm Hg for storage of paddy, redgram and sunflower seeds. Seeds were packed by using cloth bags of each having one kg capacity they were loaded in the storage bin to test the performance in comparison to ambient storage. Before experimentation and also for every 30 days interval, sampling was done from both storage conditions and analyzed for different quality parameters and infestation. The moisture was reduced in SBSB stored samples from 7.33-5.84%, 6.93- 5.12% and 7.15-4.85% whereas it was increased in control samples from 7.33-11.51%, 6.93- 11.52% and 7.15-8.19% for paddy, redgram and sunflower seeds, respectively. Samples stored in SBSB was-found to maintain the color value of the samples better than control
samples during the storage. For storage period of 210 days, the paddy and redgram seeds retained the germination percentage of 90 and 52%, 81 and 69% for SBSB and control conditions, respectively. For 120 days of storage period, the sunflower seeds retained the germination percentage of 94 and 81% for SBSB and control conditions, respectively. No insect was observed in SBSB samples, whereas storage insects like Sitophilus oryzae observed in control paddy seeds. SBSB resulted in good-quality seeds at the end of the storage period whereas maximum damage and infestation was observed in case of control samples. From the results, the benefit cost ratio of 1.5:1 was found to be effective in working with sub-baric storage bin.
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