(11) , Arnolin, R., Suard, C, and Poitout, R. 



1971. New information about Dioscorea trifida cush-cush yam selec- 

 tion. Proc. 9th Annu. Meet. Caribb. Food Crops Soc, Guyana, 

 4 pp. 



(12) , Kermarrec, A., Poitout R., and Anais, A. 



1976. Introduction, nematodes et bouturage des ignames. Nouv. Agron. 

 Antilles-Guyane 2(1) 1-14. 



(13) , Mathurin, P., and Suard, C. 



1975. New results in yam multiplication. Proc. 13th Annu. Meet. 

 Caribb. Food Crops Soc, Trinidad. [In press.] 



(14) Denevan, W. M. 



1971. Campa subsistence in the Gran Pajonal, eastern Peru. Geogr. 

 Rev. 61 : 496-518. 



(15) Ferguson, T. 



1971. The propagation of Dioscorea spp. by vine cuttings — a critical 

 review. Trop. Root Tuber Crops Newsl. No. 5, pp. 4-7. 



(16) , Haynes, P. H., and Springer, B. C. F. 



1969. A study of variability in yams. Proc. 7th Annu. Meet. Caribb. 

 Food Crops Soc, Guadeloupe-Martinique, pp. 50-58. 



(17) Food and Agriculture Organization. 



1970. FAO Nutr. Stud. 24. 



(18) Henry, V. C. R. 



1967. Studies on botanical and agronomic characteristics in cush-cush 

 {Dioscorea trifida L.f.). Ph.D. thesis, McGill University, 

 Montreal. 



(19) Hickling, G. 



1974. Nematode pests on yams in Jamaica. Proc. 12th Annu. Meet. 

 Caribb. Food Crops Soc, Jamaica, pp. 63-65. 



(20) Institut de Recherches Agronomiques Tropical (Antilles). 

 1964. Compte-rendu d'activites. 



(21) 



1965. Compte-rendu d'activites. 



(22) Kermarrec, A., and Anais, A. 



1973. Les nematodes de I'igname dans les Antilles. 3d Int. Symp. Trop. 

 Root Crops, Ibadan, Nigeria. [In press.] 



(23) , and Anais, A. 



1973. Presence en Guadeloupe de Aphelenchoides besseyi Christie dans 

 le feuillage de I'igname cousse-couche (Dioscorea trifida L.). 

 Turrialba 23 : 4. 



(24) Mantell, S. H., Mohamed, N., Haquer, S. Q., and Phelps, R. H. 



1974. Some observations of internal brown spot and virus-like symp- 

 tom of yam (Dioscorea spp.) in the Commonwealth Caribbean. 

 Proc. 12th Annu. Meet. Caribb. Food Crops Soc, Jamaica, 

 pp. 68-71. 



(25) Mapes, M. 0., and Urata, U. 



1970. Aseptic stem culture of a Dioscorea clone. Proc. 2d Int. Symp. 

 Trop. Root Crops, Hawaii, 1 : 25-27. 



(26) Martin, F. W. 



1966. Sex ratio and sex determination in Dioscorea. J. Hered. 57: 

 95-99. 



(27) , and Ortiz, S. 



1963. Chromosome numbers and behavior in some species of Dioscorea. 

 Cytologia 28: 96-101. 



(28) Mathurin, P., and Degras, L. 



1974. Effects of division levels of seed tubers on yams (D. alata, 



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