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plant genetic resources for food and agriculture - FAO

plant genetic resources for food and agriculture - FAO

THE STATE OF USE 4.1

THE STATE OF USE 4.1 Introduction In a world of changing climates, expanding populations, shifting pests and diseases, everincreasing resource scarcity and financial and social turmoil, the sustainable use of PGRFA has never been more important or offered greater opportunities. The development of new varieties of crops critically depends on breeders and farmers having access to the genetic diversity in order to develop varieties with higher and more reliable yields, resistant to pests and diseases, tolerant to abiotic stresses, making more efficient use of resources, and producing new and better quality products and by-products. Of course PGRFA also have many other uses including direct introduction for production on farm, as well as education and scientific research on topics ranging from crop origins to gene expression. They are also used for land restoration and traditional and local varieties are often very important socially and culturally. While there is an indication from the country reports that the value of PGRFA for such uses is increasing, this chapter will concentrate mainly on what remains their primary use: breeding new crop varieties and their dissemination to farmers. The chapter provides an overview of the current state of PGRFA use, with special attention paid to the situation in developing countries that, in many cases, still lack the human and financial resources needed to make full use of PGRFA. A summary of changes that have taken place since the first SoW report was published is provided and major gaps and needs for the future are identified. 4.2 Germplasm distribution and use Data on the dissemination of germplasm by genebanks provide an indication of trends in the use of PGRFA by different groups. Table 4.1 shows PGRFA movement from the IARC genebanks to users from 1996 to 2006. The values within each column indicate the relative importance of each type of accession for the given class of user. The last column shows that the IARCs distribute more accessions of landraces than all other types of material put together, followed by wild species. Comprehensive information on germplasm distribution by national genebanks for a given period is seldom available in the country reports. However, Japan reported that their genebank distributed 12 292 accessions in 2003 and only 6 150 in 2007. In this five-year period most of the accessions (24 251) were sent to independent corporations or public research institutions within the country, followed by universities (10 935), other countries (1 299) and the private sector (995). The report from Poland indicated that the number of accessions sent out in 1997 and 2007 was TABLE 4.1 Percentage of accessions of different types of PGRFA distributed by the IARCs to different classes of user from 1996 to 2006 Type of accession Within/ between IARCs NARS developing countries NARS developed countries Private sector Others Total number of accessions Landraces 57.9 48.5 45.0 51.7 65.7 194 546 51 Wild species 29.2 19.0 40.5 7.1 19.1 104 982 27 Breeding lines 8.5 23.1 5.4 36.0 6.5 56 804 15 Advanced cultivars 3.5 8.0 9.1 5.1 8.6 24 172 6 Others 0.9 1.4 0.1 0.1 0.1 3 767 1 % of the total Source: Survey carried out by the SGRP of the IARCs. The information was provided by genebank managers and is not consistent among genebanks with respect to the inclusion or absence of data on material distributed by breeders through their networks. 95

96 CHAPTER 4 very similar (approximately 5 700); nevertheless there was a significant increase in 2002 when about 10 000 accessions were distributed. Although a wide range of genetic resources is available nationally and internationally, breeders often select the majority of their parental materials from their own working collections and from nurseries supplied by the CGIAR centres. This is largely because of the difficulty of transferring genes from non-adapted backgrounds and the fact that germplasm collections often lack useful characterization or evaluation data. In spite of this, as indicated in Figure 4.1, national plant breeding programmes make reasonable use of the genetic resources stored in genebanks. 4.3 Characterization and evaluation of PGRFA Characterization of PGRFA is the process by which accessions are described with regard to a particular set of morphological traits. These traits are usually highly heritable, easily measured or assessed and expressed the same way in all environments. PGRFA THE SECOND REPORT ON THE STATE OF THE WORLD’S PGRFA accessions can also be characterized using modern biotechnological tools such as different kinds of molecular markers (genotypic markers). The evaluation of PGRFA, on the other hand, provides data about traits that are generally considered to have actual or potential agronomic utility. Often, the expression of these traits varies with the environment, so valid conclusions require evaluation in different environments, preferably corresponding to those experienced by the target client groups. The country reports were virtually unanimous in suggesting that one of the most significant obstacles for greater use of PGRFA is the lack of adequate characterization and evaluation data and the capacity to generate and manage such data. Greater characterization and evaluation are a major priority in the GPA (Priority Activity Area 9). More comprehensive and more readily available data, on both traits and crops, would enable plant breeders and other researchers to select germplasm more efficiently and help obviate the need to repeat screenings. The problem of lack of data extends from a paucity of basic passport and characterization data for many accessions, to a relative lack of publicly FIGURE 4.1 Sources of PGRFA used by breeders working in national breeding programmes 9% 11% 6% 16% 5% 28% 25% Public organization from developing countries Public organization from developed countries Private sector CGIAR genebanks Regional/International Networks Local genebank National genebank Source: NISM 2008 (available at: www.pgrfa.org/gpa). The figures are based on the response of 268 breeders from 39 developing countries to a question on the origin of the PGRFA used in their breeding programmes.

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    The Second Report on THE STATE OF T

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    The designations employed and the p

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    I hope and trust that the informati

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    2.4 Global challenges to in situ co

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    5.5 Changes since the first State o

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    Appendix 2 Major germplasm collecti

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    3.2 Holders of the six largest ex s

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    The CGRFA requested that the SoWPGR

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    Chapter 7 - Access to plant genetic

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    Executive summary �his report des

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    documentation and characterization

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    Given the high level of interdepend

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    Chapter 1 The state of diversity CH

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    CHAPTER 1 1.2.1 Changes in the stat

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    TABLE 1.2 Comparison between the co

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    CHAPTER 1 in national agricultural

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    FIGURE 1.1 Global priority genetic

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    12 CHAPTER 1 AFRICA • Benin Molec

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    14 CHAPTER 1 NEAR EAST effective at

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    CHAPTER 1 comparisons, or use the i

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    18 CHAPTER 1 FIGURE 1.3 Interdepend

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    TABLE 1.4 (continued) Indicators of

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    CHAPTER 1 even national, germplasm

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    24 CHAPTER 1 9 Hammer, K. 2003. A p

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    26 CHAPTER 1 X. & Li, Z. 2006. Gene

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    THE STATE OF IN SITU MANAGEMENT 2.1

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    THE STATE OF IN SITU MANAGEMENT (ba

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    THE STATE OF IN SITU MANAGEMENT the

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    THE STATE OF IN SITU MANAGEMENT TAB

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    CHAPTER 6 a) those that focus on co

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    146 CHAPTER 6 PGRN has continued to

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    CHAPTER 6 • the Regional Cooperat

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    CHAPTER 6 and African countries for

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    CHAPTER 6 few years, the CGIAR Syst

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    CHAPTER 6 • ICBA: 64 ICBA was est

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    CHAPTER 6 Varieties. Central Americ

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    CHAPTER 6 the first SoW report was

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    160 CHAPTER 6 12 Available at: www.

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    Chapter 7 Access to Plant Genetic R

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    CHAPTER 7 Box 7.1 Benefit-sharing u

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    CHAPTER 7 laws, regulations and con

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    170 CHAPTER 7 THE SECOND REPORT ON

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    CHAPTER 7 regional workshops on Far

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    178 CHAPTER 7 20 Experience of the

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    THE CONTRIBUTION OF PGRFA TO FOOD S

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    LIST OF COUNTRIES THAT PROVIDED INF

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    LIST OF COUNTRIES THAT PROVIDED INF

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    Annex 2 Regional distribution of co

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    EUROPE 214 ANNEX 2 ASIA AND THE PAC

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    STATUS BY COUNTRY OF NATIONAL LEGIS

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    MAJOR GERMPLASM COLLECTIONS BY CROP

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    THE STATE-OF-THE-ART: METHODOLOGIES

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    Appendix 4 State of diversity of ma

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    APPENDIX 4 some country reports. 6

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    APPENDIX 4 option for perennial tax

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    APPENDIX 4 (wild one-grain wheat, T

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    APPENDIX 4 regeneration of existing

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    APPENDIX 4 An operational comprehen

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    APPENDIX 4 FIGURE A4.2 Global yield

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    APPENDIX 4 actively contribute to t

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    APPENDIX 4 Role of crop in sustaina

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    APPENDIX 4 and Myanmar (3 percent).

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    APPENDIX 4 progenitor is the wild s

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    appendiX 4 Ex situ conservation sta

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    APPENDIX 4 Documentation, character

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    APPENDIX 4 The two global chickpea

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    APPENDIX 4 in collections, absence

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    APPENDIX 4 FIGURE A4.5 Global yield

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    338 APPENDIX 4 are also conserved.

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    340 APPENDIX 4 WebPDF/Crop percent2

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    342 APPENDIX 4 90 Op cit. Endnote 2

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    344 APPENDIX 4 159 GCDT. 2007. Glob

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    346 APPENDIX 4 217 Op cit. Endnote

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    348 APPENDIX 4 291 Op cit. Endnote

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    350 APPENDIX 4 366 Ibid. Endnote 35

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    BAAFS Beijing Academy of Agricultur

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    CN Centre Néerlandais (Côte d’I

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    DTRUFC División of Tropical Resear

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    HRIGRU Horticultural Research Inter

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    INIA CARI Centro Regional de Invest

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    IVM Institute of Grape and Wine «M

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    NISM National Information Sharing M

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    REHOVOT Department of Field and Veg

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    SRI Sugar Crop Research Institute,

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    WCMC World Conservation Monitoring

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