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Dioscorea alata L. is a highly important crop, widely distributed in the humid and semi-humid tropics. Flow cytometry was used to determine the ploidy levels of 74 D. alata genotypes collected mainly from West African countries. Sixty three of the genotypes were found to be tetraploid, one was he...


Obidiegwu, J.E.Rodríguez, E.Ene-Obong, E.E.Loureiro, J.Muoneke, C.Santos, C.Kolesnikova-Allen, M.Asiedu, Robert[Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry]Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry

Stem necrosis disease caused by Tobacco streak virus (TSV), first recognized in 2000, has emerged as a potential threat to peanut (Arachis hypogaea) in southern states of India. The virus induces severe necrosis of shoots leading to death of the plant, and plants that survive are malformed, with ...


Kalyani, G.Reddy, A.S.Kumar, P.L.Rao, R.V.D.J.P.Aruna, R.Waliyar, F.Nigam, S.N.[Sources of resistance to tobacco streak virus in Wild Arachis (Fabaceae: Papilionoidae) Germplasm]Sources of resistance to tobacco streak virus in Wild Arachis (Fabaceae: Papilionoidae) Germplasm

International Institute of Tropical Agriculture[IITA Crop Improvement Division; plantain and banana improvement program: Annual Report 1992]IITA Crop Improvement Division; plantain and banana improvement program: Annual Report 1992
Beebe, Stephen E.Tohme, Joseph M.Nienhuis, JamesPedraza García, FabioRengifo, JTovar Luque, EIslam, A.[Studies in Phaseolus germplasm diversity: a review of work at CIAT]Studies in Phaseolus germplasm diversity: a review of work at CIAT
Autor: Lazier, J.R.

Describes some of the important methods of legume introduction into farming systems. Lists some of the legumes identified by ILCA as being of potential value. Summarises the promising genera, their environments of adaptation and their areas of usefulness.


Lazier, J.R.[Legumes in forage research programmes for smallscale livestock producers]Legumes in forage research programmes for smallscale livestock producers

These germplasm lines (with PI numbers ranging from 550899 to PI550925) were released in 1991 for use as source germplasm or as parental lines in high-rainfall tropical midaltitude regions. They were developed by selfing in the IITA Midaltitude Streak Resistant (TZMSR) and tropical lowland (TZSRW...


Everett, L.Eta-Ndu, J.T.Ndioro, M.Tabi, I.Kim, S.[Registration of 18 first cycle tropical midaltitude maize germplasm lines]Registration of 18 first cycle tropical midaltitude maize germplasm lines

This catalog compiles and cross references the accessions in the world's major Centrosema collections at ClAT, ILCA, CSIRO. EMBRAPA-CENARGEN, and AREC Fort Pierce-University of Florida. It is a colIaborative effort by the curators of these collections under !he coordination of Dr. Ruiner Schultze...


International Center for Tropical Agriculture[1989 World Catalog of Centrosema Germplasm]1989 World Catalog of Centrosema Germplasm

International Institute of Tropical Agriculture[IITA Crop Improvement Division; Root and Tuber Improvement Program: status report 1990 1993]IITA Crop Improvement Division; Root and Tuber Improvement Program: status report 1990 1993
Guimaraes, Elcio PerpétuoOspina Rey, Yolima[Evaluation of leaf and panicle blast (Bl) in lines distributed by CIAT to national programs in Latin America]Evaluation of leaf and panicle blast (Bl) in lines distributed by CIAT to national programs in Latin America

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