Effect of storage periods and packaging types on maize inbred line seed qualities under open warehouse storage
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Abstract
The objective of this research was to study the effects of storage periods and packaging types on maize inbred seed qualities under open storage warehouse. The experimental design was split plot in completely randomized design (CRD) with 4 replications. The main plot was storage periods (0, 3, 6, 9, and 12 months), and the sub plot was packaging types as woven polypropylene (WPP), high density polyethylene (HDPE), and polyamide (PA) with linear-low density polyethylene (LLDPE) and vacuum packing (PA + LLDPE + VACUUM: PLV). The maize inbred seed was stored under open warehouse storage. The O2 content in packaging and seed moisture content after storage were determined. The results showed that HDPE was highly resistant to O2 permeability than WPP and PLV and the seeds stored in all 3 types of packaging were able to exchange moisture with the surrounding atmosphere. The result of seed qualities showed that the seed germination was not different during storage period. The seed vigor decreased throughout the storage period. The seed deterioration assessment using accelerated aging test can be evaluated faster than conductivity test and radicle emergence. The storage of seeds in PLV was able to maintain seed vigor for a period of 6 months, while the storage of seeds in WPP was able to maintain seed vigor for 3 months. The seeds had higher germination and vigor than 90 and 80%, respectively.
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References
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