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Viability response of cucurbit seeds (Citrullus lanatus subsp. mucosospermus, Cucumeropsis mannii and Lagenaria siceraria) stored under various moisture content and temperature conditions

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Optimal conditions to implement ultra drying technologies are unknown for many species. Here we analysed the effects of moisture content and temperature on the viability for three cucurbit species (Citrullus lanatus subsp. mucosospermus, Cucumeropsis mannii and Lagenaria siceraria) which seeds are used as vegetables in West Africa. Generalized linear model with quasi-binomial error function fitted to the data provided a statistically valid and convenient method to analyse the germination data. With 4% moisture content seeds of Citrullus lanatus survived and gave good germination percentages (95%) after two months when stored at 55°C. Cucumeropsis mannii survived with 4 and 6% moisture content when stored at 25 and 40°C. The damaging effect of extreme temperature on seeds with even low moisture content precludes for instance farmers' traditional seed conservation practices in which seeds are hung at the kitchen roof to benefit from smoke and heating temperature.
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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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