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Written Paper

Fungi associated with seeds of three legume species in Jamaica and seed germination at harvest and after storage  [1997]

Chisholm, F.V. Coates-Beckford, P.L. (West Indies Univ., Mona (Jamaica). Dept. of Botany)

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The health of bean, cowpea, and groundnut seeds collected throughout Jamaica, was assessed by estimating their germination percentage and the abundance of seed-borne fungi when harvested and also after storage in different environments. Germination was 80 percent in bean, 61 percent in cowpea, and 31 percent in groundnut. Thirty-nine species of fungi representing 20 genera were detected, 38, 32, and 14 species being from bean, cowpea, and groundnut, respectively. The number of fungi detected in selected samples of the parental and F1 generations was similar for each or the three legumes. Decreases in germination and increases in the occurrence of some storage fungi occurred when seeds were stored at 28 deg. C rather than at 5 deg. C and in polythene rather than in paper bags at the former temperature. Examination of 200 bean seeds showed that 94.7 percent of the fungi were located in the testa, 68.4 percent in the cotyledons, and 31.6 percent in the embryo axes.

(Revue

Tropical Agriculture (Trinidad and Tobago)

ISSN : 0041-3216

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