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Publication Date:

Authors : ;

Page : 421-434

Keywords : Leucaena; Pods; Petiole Glands; Fast Growth; Vesture; Distinguish Characteristic.;

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Twenty-two species were extracted from the Leucaena Spp. Data were collected on their characteristics, which differed from each other and were classified accordingly. Statistical analysis revealed that there were many differences between species in some traits; each type is itself in other qualities. Therefore, we presented the qualities that need to be described in order to identify differences. The study included the qualities related to seeds, pods and petiole gland. The seeds were aligned in Pods in three forms, while the shape of the seed came in two types. Only two types of species differed in the status of the opening of the pod (dehiscence). As for the thickness of the wall of the Pods, the species varied greatly, and the highest was the Papery. The rate of openness of the Pods was very high at 90.9% for one margin. The partitioning between seeds within Pods did not register more than two types, and it tended to have no partition by 72.7%. Only two shapes were distinguished in terms of the clarity of the seed chamber on the surface of the pods and 16 times the uncertainty was repeated ( not partitioned ) , leaving 6 replicates of the possible type of clarity ( partitioned ) . The colors of Pods differed very much, and each type had its own color except for some exceptions. The most frequent color was (To Orange Brown) with five replicates and the color (Mid Orange Brown) four times and the remaining types remained independent of colors. There was a high correlation between seed and pods traits and in some cases reached 90% at the probability of 1%. The length of the seed ranged between 4.9 mm - 10.6 mm but distributed over all types of tree under study. Each seed type had a specific seed length. The correlation coefficient between seed width and seed length was high at a probability of 1% to 0.775. Seeds / Kg was varied even within one species and was between 8700 - 70000 seeds / kg. There were only two forms that showed the accompaniment of the gland on the throat while three forms of the gland type were recorded but the gland height had a variety of forms.

Last modified: 2018-01-22 19:00:28