TAILIEUCHUNG - AMAZONIAN ACCESSIONS OF WILD HEVEA GERMPLASM - A POTENTIAL SOURCE OF DROUGHT TOLERANCE

Subsistence agriculture to produce cassava, plantains, cocoyams, yams, maize, ground- nuts, etc, mainly for home consumption, is the main activity on the plain. Small quantities of cocoa (for sale) and coffee (mainly for home consumption) are produced. There are smallholder cooperative associations at lloani and Mbongo villages which pro- duce palm oil , from two small Stork mills of 5t FFB per day capacity. The oi l is sold on the local market through the Catholic Mission at Mbonge. Members earn about 110 000 CFAF a year from palm oil . About 30 ha of plantation are maintained at each village. Because. | Amazonian accessions of wild Hevea germplasm - A potential source of drought tolerance Rubber Research Institute of India Kottayam - 686 009 Kerala India Rubber Board Ministry of Commerce Industry Government of India Email for correspondence mercyma2006@ Introduction Expansion of rubber cultivation from traditional to non-traditional regions in India Traditional Region I Non traditional Region 1 Introduction contd. Early detection of stress resistant traits - useful for the development of location specific clones. The narrow genetic base of Wickham genepool and the unidirectional selection for yield limits the availability of sufficient genetic variability. 1981-IRRDB germplasm collection - a valuable reservoir of genes for various abiotic stresses. 2 Acre Brasileia Feijo Sena Madureira Tarauaca Xapuri Rondonia Ariquemes Calama Costa Marques Jiparana Ouro Preto Pimenta Bueno Jaru Mato Grosso Aracotuba Cartriquaca Itauba Vila Bella Provenance-wise conservation- India Introduced into India from 1981 - 1990 through Malaysia Provenance localities Accessions conserved Total Acre 5 1530 242 1772 Rondonia 7 1540 348 1888 Mato Grosso 4 465 382 847 Total 16 3576 972 4548

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