Abstract

Central crop databases or registries are important tools to enhance the use and conservation of plant genetic resources. In 2008–2009 a group of Centers from the Consultative Group on International Agricultural Research worked together on the development of central crop registries for eight different crops. The International Rice Research Institute and the International Maize and Wheat Improvement Center led the development of the crop registries for rice and wheat, respectively. The registries were to compile data across collections and add value to these datasets by assessing the similarity of the accessions from those collections. We describe in detail the methodology developed for the rice and wheat registries. This methodology mainly followed an algorithmic approach to assess the correspondence between pairs of accessions. Accessions which shared a common origin were placed together in similarity groups. Using these groups the similarity of accessions in and among collections was further analysed.

Highlights

  • Central crop databases are important tools to enhance the use and conservation of plant genetic resources at the crop level (Bommer 1991; Van Hintum 1997)

  • The International Rice Research Institute and the International Maize and Wheat Improvement Center led the development of the crop registries for rice and wheat, respectively

  • We describe in detail the methodology developed for the rice and wheat registries

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Summary

Introduction

Central crop databases are important tools to enhance the use and conservation of plant genetic resources at the crop level (Bommer 1991; Van Hintum 1997). During 2008–2009 a number of Centers from the Consultative Group on International Agricultural Research (CGIAR) worked together on the development of eight central crop registries focussed on crops they hold in common. These include barley, cassava, chickpea, forages, Musa, potato, rice and wheat. This development was part of the World Bank funded Global Public Goods 2 project (GPG2) which aimed to enhance the CGIAR Centers’ capacity to conserve and provide plant genetic resources and associated knowledge to users worldwide as Global Public Goods. In this paper we describe the methodology that was used to assess similarity within the rice and wheat collections

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