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IPGRI maintains a number of databases with summary information on ex situ germplasm collections worldwide. The data include address information on organizations holding germplasm and summary information on the type of germplasm that is maintained, such as: species names, number of accessions per ...


Williams, J.T.Damania, A.B.International Plant Genetic Resources Institute[5.I Industrial Crops: Cacao, Coconut, Pepper, Sugarcane and Tea]5.I Industrial Crops: Cacao, Coconut, Pepper, Sugarcane and Tea

This publication describes a limited number of species of bamboo and rattan selected from the several hundred in existence for priority research and development; the background details, criteria for selection of species, the major priority bamboo and rattan species selected and notes on each one ...


Rao, A.N.Ramanatha Rao, V.Williams, J.T.International Plant Genetic Resources InstituteInternational Network for Bamboo and Rattan[Priority species of bamboo and rattan]Priority species of bamboo and rattan

This workshop provided an opportunity to assess the progress of the application of in vitro culture techniques to the genetic conservation of recalcitrant seed producing species and clonally propagated species.


Withers, L.A.Williams, J.T.[Crop genetic resources - the conservation of difficult material: Proceedings of an international workshop, 8-11 September 1980, University of Reading, U.K.]Crop genetic resources - the conservation of difficult material: Proceedings of an international workshop, 8-11 September 1980, University of Reading, U.K.

Plant breeding, germplasm conservation and germplasm research in tropical zones and subtropical zones; plant production and consumption of vegetables in Latin America, Africa and Asia; specific reference is made to fruit vegetables, leafy vegetables, cucurbits, allium and brassicas; including a l...


Grubben, G.J.H.Tindall, H.D.Williams, J.T.International Board for Plant Genetic Resources[Tropical vegetables and their genetic resources]Tropical vegetables and their genetic resources

A list of descriptors, descriptor definitions and descriptor states, based on usage at the International Potato Collection, Peru, is presented. Descriptors for germplasm maintenance, distribution and use are listed in an appendix.


Huaman, Z.International Board for Plant Genetic ResourcesWilliams, J.T.Salhuana, W.Vincent, L.[Descriptors for the cultivated potato]Descriptors for the cultivated potato

Information is presented (1) on base collections of seed samples (i.e. seeds stored for long periods with low moisture contents and at low temperatures) and active collections (from which seeds are obtained for distribution, evaluation and multiplication); (2) the operation of the IBPGR [Internat...


Hanson, J.Williams, J.T.Freund, R.International Board for Plant Genetic Resources[Institutes conserving crop germplasm: The IBPGR (International Board for Plant Genetic Resources) global network of genebanks]Institutes conserving crop germplasm: The IBPGR (International Board for Plant Genetic Resources) global network of genebanks

This report has been produced to provide a succinct overview of the global research activities on underutilized crops. It is aimed at policy-makers, funding agencies and research administrators but it is hoped that it will also be of use to the scientific community. The report results from a requ...


Williams, J.T.Haq, N.International Centre for Underutilized Crops[Global research on underutilized crops: An assessment of current activities and proposals for enhanced cooperation]Global research on underutilized crops: An assessment of current activities and proposals for enhanced cooperation

These proceedings of the workshop held 15-17 May, 1996 in Pokhara, Nepal focus on the roles of three important non-timber forest products-bamboo, rattan and medicinal plant-in the development of mountain areas of the Hindu Kush-Himalaya and beyond. The scope of this workshop encompassed the whole...


Karki, M.Rao, A.N.Ramanatha Rao, V.Williams, J.T.[The role of bamboo, rattan & medicinal plants in mountain development: Proceedings of a workshop, 15-17 May 1996, Institute of Forestry, Pokhara, Nepal]The role of bamboo, rattan & medicinal plants in mountain development: Proceedings of a workshop, 15-17 May 1996, Institute of Forestry, Pokhara, Nepal

The overall and specific objectives of a collaborative research project between the International Board for Plant Genetic Resources (IBPGR) and CIAT are given. The overall objective is to assess and demonstrate the technical and logistic aspects of establishing and operating a pilot in vitro acti...


Chavez, R.Roca, William M.Williams, J.T.[IBPGR-CIAT Collaborative Project on a pilot in vitro active genebank]IBPGR-CIAT Collaborative Project on a pilot in vitro active genebank

IPGRI maintains a number of databases with summary information on ex situ germplasm collections worldwide. The data include address information on organizations holding germplasm and summary information on the type of germplasm that is maintained, such as: species names, number of accessions per ...


Ayad, G.Toll, JaneWilliams, J.T.International Plant Genetic Resources Institute[3.I Cereals: Wheat]3.I Cereals: Wheat

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