University of Khartoum

Ziziphus Spina-Christi (Sidir) and Salvadora Persica (Arak) Seedlings Growth As Affected By Different Irrigation Intervals

Ziziphus Spina-Christi (Sidir) and Salvadora Persica (Arak) Seedlings Growth As Affected By Different Irrigation Intervals

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Title: Ziziphus Spina-Christi (Sidir) and Salvadora Persica (Arak) Seedlings Growth As Affected By Different Irrigation Intervals
Author: Ahmed, Dar Alsalam Musa Mohammed
Abstract: Ziziphus spina-christi (Sidir) AND Salvadora persica (Arak) Seedlings growth as affected by different irrigation interval Ziziphus spina-christi and Salvadora persica are some of the endangered tree species. Little or no attention is given to their regeneration despite their economic importance. This study aims to investigate the tolerance of these species to water stresses at early stages of growth at the Nursery. Seeds of the two species were collected from different sites (North Kordofan and Red Sea) and germinated for two months. The experiments were carried out at Shambat Nursery, Faculty of Agriculture, and A Complete Randomized design method was used. Different irrigation intervals were applied for 75 days. Results showed that irrigation frequency is insignificant for some parameters eg- seedlings diameter and shoot length of Arak from Red Sea, and number of leaves of Arak from Kordofan. However, 2 and 5 irrigation intervals were significantly better than other intervals for shoot length and number of leaves in Sidir seedlings and number of leaves in Arak from Red Sea. 2days intervals were better only for root lengths in Sidir and Arak seedlings and diameter of Arak from Kordofan. These results reflect that the two species tolerate water stresses up to 5days intervals irrigation without been significant affected by many parameters. Accordingly, the study recommends raising Sidir and Arak at 5days intervals as in 2/3 of the whole parameters is not significantly lower than 2days intervals.
Description: 64 Pages
URI: http://khartoumspace.uofk.edu/handle/123456789/9452
Date: 2015-04-26


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