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Open Access Germinability and storability of pre-germinated rice (Oryza sativa L.) seeds

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This article is Open Access under the terms of the Creative Commons CC BY-NC licence.

In rice growing areas where wetland broadcasting is practiced, farmers always face a problem with seed loss from left-over, pre-germinated seeds. The objectives of this study were to evaluate the ability of the pre-germinated rice seeds to withstand drying and storage to determine whether or not pre-germinated seeds can be used as planting material. Two lots of rice seeds, newly harvested and naturally aged, were prepared for pre-germination by soaking for 24 hours and then incubating for 0, 12, 24, 36 or 48 hours. After soaking and incubating, the pre-germinated seeds were dried back to 12% moisture content and stored for up to eight weeks. The pre-germinated seeds of both seed lots could successfully re-germinate with germination percentages being higher than 80%. The pre-germinated seeds could be stored up to 5-6 weeks for newly harvested seeds and 4-5 weeks for naturally aged seeds. It can be concluded that pre-germinated rice seeds could be dried back and stored as planting material for 4-6 weeks.
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Keywords: DESICCATION TOLERANCE; INCUBATION; RE-GERMINATION; RICE BROADCASTING; SEED DETERIORATION; SEED PREPARATION; SEED PRIMING

Document Type: Research Article

Publication date: April 1, 2018

This article was made available online on February 26, 2018 as a Fast Track article with title: "Germinability and storability of pre-germinated rice (Oryza sativa L.) seeds".

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  • Seed Science and Technology (SST) is one of the leading international journals featuring original papers and review articles on seed quality and physiology as related to seed production, harvest, processing, sampling, storage, distribution and testing. This widely recognised journal is designed to meet the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality.
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