University of Khartoum

Morphology and Growth Performance at Different Stages of Some Species of the Families Capparaceae and Combretaceae in Kordofan States

Morphology and Growth Performance at Different Stages of Some Species of the Families Capparaceae and Combretaceae in Kordofan States

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Title: Morphology and Growth Performance at Different Stages of Some Species of the Families Capparaceae and Combretaceae in Kordofan States
Author: Kafe, Salih Omer Tutu
Abstract: The objective of this study was to identify species of the families Capparaceae and Combretaceae at different stages of growth in Kordofan States. Plant materials were collected from 14 sites from North Kordofan and South Kordofan States. 21 morphological characters of leaf, flowers and fruits were investigated qualitatively and quantitatively. Moreover, seeds were collected during 9 trips, treated and germinated both in lab and nursery where growth parameters were recorded. Field observation in the study areas of 22 species of both families revealed similarities between the species within each family. Members of the family Capparaceae are shrubs with simple alternate leaf arrangement, entire leaf margin, green leaf color and globose or cylindrical fruit shapes. Members of the family Combretaceae are mostly tree with simple alternate leaf arrangement, entire leaf margin and winged fruits. Seedling growth of both families was studied in an experiment way in a CRD during eight months. Growth indicators were seedling height, leaf length and width and petiole length (cm). The analysis of variance showed highly significant (P≤0.001) differences among the species of the two families. Seedling height was highest in Capparis decidua maximum (17.75 cm) followed by Maerua angolensis (4.17 cm) in the family Capparaceae. Similarly, Combretum aculeatum of the family Combretaceae has the highest seedling height (24.87 cm) followed by Guiera senegalensis which is 11.25 cm. Lowest measurement were found in Cadaba glandulosa (2.08 cm) (family: Capparaceae) and Combretum hartmannianum (4.50 cm) (family: Combretaceae). At the end of the nursery experiment, seedlings were transplanted to the field an experiment of CRD was established. The parameters measured were the same as xiv the seedlings experiment for one year which revealed results confirming the seedlings one. A taxonomic Key was constructed to ease the identification of the species of the families Capparaceae and Combretaceae. This taxonomic key is simple and dichotomous in nature based on the significant measurable characters in seedling, sapling and adult stages in the field, in addition to the observed characters that included leaf shape, arrangement and color and fruit shapes. It was concluded the use of vegetative characters that can be practically important to differentiate between the species in the absence of fruits and flowers.
Description: 163page
URI: http://khartoumspace.uofk.edu/123456789/16834
Date: 2015-11-01


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