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Cool germination test can be an alternative vigour test for maize

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An alternative to the cold test to evaluate maize seed vigor was investigated. The standard germination test, cool germination tests at 12, 15 and 18°C, the cold test were performed for seven maize seed lots and field emergence at one site determined. The standard germination of all lots was >90% and was not correlated with field emergence, but the results of the cool germination test at 18°C and the cold test were significantly correlated with field emergence (r=0.890** and 0.974** respectively). The results of the cool germination test at 18°C were also significantly correlated with the cold test (r=0.828**). These results suggest that a cool germination test at 18°C can be considered as an alternative to the cold test to evaluate vigour differences among maize seed lots.
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Document Type: Research Article

Publication date: July 1, 2009

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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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