TABLEAU 2. Incidence d'autres champignons phytopathogenes sur les plantules de Haricot "Contender" dans les deux sols amends. TABLE 2. Incidence of other phytopathogenic fungi on "Contender" Bean seedl- ings in the two amended soils. Traitementsa Importance des attaques fongiquesb,c Sol A Sol B MP Py RS MP Py RS Adonidia merrillii + + + Albizzia Zebbeck + + - Artocarpus altilis + + ++ Bambusa sp. + - Coccoloba uvifera + + Coffea arabica + Delonix regia + + + Leucaena leucocephala + + ++ -- Musa acuminata Feuilles senescentes ++ - Rachis d'inflorescences + - Pennisetum purpureum + + - Saccharum officinarum + + - Swietenia mahogani Feuilles senescentes + ++ + - Valves Tabebuia pallida + ++ - Terminalia catappa Feuilles vertes dessechees + ++ - Feuilles senescentes + ++ Bagasse + - Bagasse + boues Capesterre ++ + - .Bagasse + boues Jarry + + -- Bagasse + ecume ++ - Boues Capesterre NT NT NT Boues Jarry + - Chitine + + - Compost d'herbes ++ ++ ++ Fumier de Stylosanthes NT NT NT Sciure de Bois rouge carapate NT NT NT Temoin non amended +++ a) Voir tableau 1 pour les parties du vegetal utilisees (see Table I for the plant parts used) b) MP = Macrophomina phaseolina ; Py = Pythium spp. ; RS = Rhizoctonia soZani. c) NT = non testes (not tested) ; = pas d'effet observe (no observed effect) ; + = faible (feable) ++ = moyenne ( medium) ; + + + forte ( hight) References 1. Agnihotri, V.P., C. Sen, S.M. Srivastava. 1975. Role of fungitoxicants in the control of Sclerotium root rot of Sugarbeet Beta vulgaris L. IndianJournal of Ex- perimental Biology 13(1):89-91. 2. Backman, P.A., R. Rodriguez-Kabana. 1975. A system for the growth and delivery of biological control agents to the soil. Phytopathology 65:819-821. 3. Beute, M.K., R. Rodriguez-Kabana. 1979. Effect of volatile compounds from remoistened plant tissues on growth and germination of Sclerotia of Scerotium rolfsii. Phytopathology 69:802-805. 4. Bisht, N.S. 1982. Control of Sclerotium rot of potato. Indian Phytopathology 35(1):148-149. 5. Boyle, L.W. 1961. The ecology of Sclerotium rolfsii with emphasis on the role of saprophytic media. Phytopathology 51:117-119. 6. Chambers, S.C. 1977. Effect of soil fumigation on sclerotial populations of Sclerotium rolfsii. APPS Newl. 6(1):6. VOL. XX-PROCEEDINGS of the CARIBBEAN FOOD CROPS SOCIETY 7. Chet, I., Y. Hadar, Y. Elad,J. Katan, Y. Henis. 1979. Biological control of soil-borne plant pathogens by Tdchoderma harzianum. In: Soil-borne Plant Pathogens. Ed. B. Schippers et W. Gams. pp. 585-591. Academic Press, London. 686 pp. 8. W.E. Cooper. 1956. Chemical control of Sclerotium rolfsii in peanuts. Phytopathology 46:9 (Abstr.). 9. Elad, Y., I. Chet, J. Katan. 1980. Trichoderma harzianum.: A biocontrol agent effective against Sclerotium rolfsii and Rhizoctonia solani. Phytopathology 70:119-121. 10. Elad, Y., Y. Hadar, I. Chet, Y. Henis. 1982. Prevention with Trichoderma harzianum Rifai aggr. of reinfestation by Sclerotium rolfsii Sacc. and Rhizoctonia solani Kiihn of soil fumigated with methyl bromide, and improvement of disease control in tomatoes and peanuts. Crop Protection 1:199-211. 299