Broadening the Genetic Bases of Crop Production - download pdf or read online

By H D Cooper, Toby Hodgkin, Charlie Spillane

This booklet specializes in the formerly missed interface among the conservation of plant genetic assets and their usage. in basic terms via usage can the capability worth of conserved genetic assets be realised. despite the fact that, as this ebook indicates, a lot conserved germplasm needs to be subjected to long term pre-breeding and genetic enhancement ahead of it may be utilized in plant breeding programmes.The authors discover the reason and ways for such pre-breeding efforts because the foundation for broadening the genetic bases of crop construction. Examples from a variety of significant nutrition plants are offered and matters analysed by means of prime professionals from worldwide.

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Eds) Rubber. Longman, London, pp. 85–124. W. (1993) Introgression and incorporation. Strategies for the use of crop genetic resources. Biological Reviews 68, 539–562. Smale, M. (1997) The Green Revolution and wheat genetic diversity: some unfounded assumptions. World Development 25, 1257–1269. Spillane, C. (1999) Recent Developments in Biotechnology as they Relate to Plant Genetic Resources for Food and Agriculture. Background Study Paper No. 9, FAO Commission on Genetic Resources, Rome. , Gass, T.

Louwaars, Chapter 5, this volume) and the lack of suitable varieties. This last reason may result from insufficient plant breeding capacity in the country concerned or the use of breeding strategies that do not result in varieties with the traits needed by farmers (Cromwell and Wiggins, 1993; Witcombe, Chapter 26, this volume). Because of these latter factors, improved varieties can often show low adoption rates. On a local level, it has been suggested that some existing local varieties, or groups of local varieties, may actually have quite narrow genetic bases as a result of a previous genetic bottleneck due to past events or widely fluctuating environmental conditions (Wood and Lenné, 1996).

Food and Agriculture Organization of the United Nations, Rome. FAO (1998) The State of the World’s Plant Genetic Resources for Food and Agriculture. Food and Agriculture Organization of the United Nations, Rome. FAO (1999) Broadening the genetic base of crops, report of a workshop, Rome, September 1997. ) Food and Agriculture Organization of the United Nations, Rome. FAO (2000) Broadening the genetic base of crops, report of a workshop, Edinburgh, November 1999. E. (1992) Differences among women farmers: implications for African agricultural research programs.

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