TITLE

TYPOLOGY OF SHEA TREES (Vitellaria paradoxa) USING QUALITATIVE MORPHOLOGICAL TRAITS IN CÔTE D'IVOIRE

AUTHOR(S)
Nafan, Diarrassouba; Jesus, Fofana Inza; Emmanuel, Issali Auguste; Divine, Bup Nde
PUB. DATE
July 2009
SOURCE
Gene Conserve;Jul-Sep2009, Vol. 8 Issue 33, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The shea tree (Vitellaria paradoxa C.F. Gaertn) is a multi-purpose tree daily used by rural African communities. The present study aimed at investigating the level of morphological variation and then to propose a varietals classification using discriminative descriptors. Morphological observations were related to 13 traits, studied on 124-300 trees selected from shea experimentation station localized in Tengrela. The result showed that there was a variation within the shea trees related to qualitative morphological traits studied. Four shapes of the mature tree (ball or spherical, broom, sunshade or broadly pyramidal and erect), 5 shapes of the fruit (round, reversed pear, ovoid, fusiform and ellipsoid), 4 phenotypes of the nut colour (clear brown, dark brown, greyish brown and blackish brown), 3 phenotypes of the colour of the budding fruits and leaves (green clear, purplish and reddish) and 3 pace at small branch have been observed. A total of 9 (5 morphological and 4 physiological) varieties have been described. The distinction of morphological varieties was essentially made on the basis of the shapes and the sizes of the fruits and leaves. However, the distinction of physiological varieties was based on the maturation period of the fruits.
ACCESSION #
53906799

 

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