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1by Villareal, R.L., International Agricultural Development Service, New York (USA) eng
Published 1980Texto bibliotecaFAO IT -
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3by Villareal, R.L. (ed.), International Symposium on Sweet Potato eng 1982 1. Tainan (Taiwan, Province of China), Griggs, T.D. (ed.)
Published 1982Texto bibliotecaFAO IT -
4Utilization of sweet potato germplasm by plant breeders Utilization of sweet potato germplasm by plant breedersby Villareal, R.L., International Board for Plant Genetic Resources, Rome (Italy) eng, Lo, H.F. (Asian Vegetable Research and Development Center, Taiwan (China)), Singh, R.B. (ed.), Chomchalow, N. (ed.)
Published 1982Texto bibliotecaFAO IT -
5by Villareal, R.L. (Philippines Univ., Los Banos, Laguna (Philippines)), FAO, Rome (Italy). Plant Production and Protection Div. eng, FAO/DANIDA Seminar on Design and Implementation of Seed Programmes eng 12-16 May 1986 2 Bangkok (Thailand), Lemonius, M. (ed.), Kelly, A.F. (ed.)
Published 1988Texto bibliotecaFAO IT