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Introducing improved cultivars: Understanding farmers' seed drying and storage practices in central Ghana

Show simple item record Bam, R.K. Craufurd, P.Q. Dorward, P.T. Asiedu, E.A. Kumaga, F.K. Ofori, K. 2019-04-04T11:57:50Z 2019-04-04T11:57:50Z 2007-07
dc.identifier.other Vol. 43(03): pp 301 - 317
dc.identifier.other DOI: 10.1017/S001447970700498X
dc.description.abstract Improved upland rice cultivars introduced in Volta Region, Ghana, have been perceived to store poorly compared to farmers' traditional cultivars. A survey was conducted in 2003 in the Hohoe district of this region, where a Participatory Varietal Selection programme had started in 1997, to gain insight into farmers' seed production and storage practices that are likely to affect seed quality in storage. Farmers rated keeping quality (p < 0.001), tolerance to storage pests (p < 0.001), seed quality (p < 0.001) and establishment of their local cultivars Kawomo, Viono and Wuwulili as much better than the improved cultivar IDSA 85. Initial seed moisture content ranged from 12.8 to 18% and germination from 0 to 82%. There was a significant relationship between seed moisture content and duration of drying prior to storage (p < 0.001) and storage method (p = 0.015). Germination loss in storage was rapid at high moisture content and slow at low moisture content. Between 60 and 80% of seeds germinated after six months storage at 12.8% moisture content. The viability equation predicted accurately germination of farmer-saved seed stored under ambient temperature in Ghana. Except for the japonica rice cultivar WAB 126-18-HB, the traditional cultivars Kawomo, Viono and Wuwulili survived better in storage than improved cultivars. There is a need to improve seed quality of improved cultivars if farmers are to benefit from their higher yields and grain quality and to improve storage practices. © 2007 Cambridge University Press. en_US
dc.language.iso en en_US
dc.publisher Experimental Agriculture en_US
dc.title Introducing improved cultivars: Understanding farmers' seed drying and storage practices in central Ghana en_US
dc.type Article en_US

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