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Articles by Ghalib Shalaldeh
Total Records ( 2 ) for Ghalib Shalaldeh
  Talal Thalji and Ghalib Shalaldeh
  To screen wheat and barley genotypes for salinity resistant, 10 bread wheat, 12 durum wheat and 11 barley genotypes were planted under saline conditions. Salinity was ranged (20.6-21.9 and 4.5-5.5 dS m-1) for both soil and water, respectively. Wheat genotypes Jumaizah, Bin-bashair and Snap and barley genotypes Acsad 176, line 5 and Rum showed high biological yield Performance. Genotypes: Jumaizah, Bin-bashair, Snap, Cham3 and Cham6 and barley genotypes: line3, line2 and line5 showed high seed yield performance. However wheat genotypes Behowth1 exhibited the highest straw yield performance compared to other wheat genotypes. Germination percentage has a strong positive correlation with seed yield (0.75) and straw yield (0.41). Negative association between heading and physiological maturity periods with seed yield (-0.29) for each was obtained. Concerning wheat and barley genotypes nitrogen (N) content at the three leaf stage was negatively correlated (-0.19) with seed yield compared to the elongation stage, while, Potassium (K) and K/Na ratio showed a strong positive correlation at the tree leaf stage (0.21 and 0.22), respectively. In wheat genotypes Potassium (K) content, (K/Na) and Sodium (Na) have showed a strong positive correlation with seed yield in wheat genotypes (0.26, 0.29 and 0.30), respectively whereas, chloride (CL) showed a strong negative correlation (-0.26) with the seed yield. In barley genotypes, P and K have a strong negative correlation with the biological yield (-0.42 and -0.39), respectively and with the straw yield (-0.47 and -0.49), respectively at the three leaf stage. Sodium (Na) (-0.39) has the same trend like P and K but at the elongation stage. It is clear that leaf analysis at the 3-leaf stage is more indicative to reveal salinity resistance in both wheat and barley genotypes compared to the advanced growth stages. K/Na ratio could be used as selection criteria for salinity resistance because it is highly correlated with biological, seed and straw yields in both wheat and barley genotypes. Bread wheat genotypes: Jumaizah and Cham6, durum wheat genotypes: Bin-bashair, Cham3 and Snap and barley genotypes: Line5, Accsad176 and Rum are selected as salinity resistant genotypes.
  Ghalib Shalaldeh and Talal Thalji
  A study was conducted to investigate the effects of plant population on the performance of wheat and barley genotypes under salinity conditions. Three barley genotypes: Rum, Acsad 176 and Line (5) and five wheat genotypes: Jumaizeh, Bin-bashair, Cham-3, Cham-6 and Snb1s1 were grown at Central Jordan Valley during 2005 growing season. Soil and water analysis showed salinity of (4-6 dS m-1 at 0-60 cm depth) for soil and (1.9-2.7 dS m-1) for water. The experiment was under split plot design with three replications. For wheat genotypes, results showed no significant differences with respect to grain and straw yields except for Jumaizeh for straw yield. For plant population, population (D3 = 400 plant m-2) showed the highest biological (14.1 t ha-1), grain (4.1 t ha-1) and straw (10.3 t ha-1) yields. For the interaction effects (Jumaizeh*D3) gave a significant interaction for biological (16.1t ha-1), grain (4.4 t ha-1) and straw (11.6 t ha-1) yields. For barley genotypes, results showed no significant differences between them with respect to the three characters studied however, Rum was the highest amongst them. For the population, population (D2 = 250 plant m-2) revealed the highest biological (9.9 t ha-1), grain (1.6 t ha-1)and straw (8.3 t ha-1) yields. For the interaction effects, results exhibited the significance of (Rum*D2) over other interactions for biological (12.2 t ha-1), grain (2.0 t ha-1) and straw (10.2 t ha-1) yields. Plant populations (D3 = 400 plant m-2) and (D2 = 250 plant m-2) are recommended for wheat and barley, respectively when planted under saline conditions, as well as the genotypes-population interactions that revealed the highest yields.
 
 
 
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