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Articles by S.M.T. Mohammed
Total Records ( 2 ) for S.M.T. Mohammed
  S.M.T. Mohammed , M. Humidan , M. Boras and O.A. Abdalla
  The aim of this study was to determine the effect of growing tomato on different root stocks on its growth and yield. In this study, tube grafting method was adopted since it has been widely used with high percentage of success. Tomato (Lycopersicon esculentum Mill.) cultivar Cecilia F1 was grafted using tube grafting method on three rootstocks, Beaufort, He-man and local Syrian tomato which were grown under glasshouse and fertilized according to the routine fertilization program with macro and micronutrients in ASTRA farms, Tabuk, north-west of Saudi Arabia. Plants produced from grafting Cecilia F1 scion on Beaufort rootstock were the tallest (37.56 cm) and had the greatest number of leaves (7.22) and stem diameter (4.92 cm). Six weeks after of grafting seedling leaves contents of Ca, Na, Mg, Fe and K increased and while the roots contents were not affected. Chlorophyll a and carotenoids significantly increased. The productivity of grafted tomato planted in glasshouse increased significantly and had reached up to 21%. Grafting also increased Total Dissolved Solids (TDS) and decreased the amount of lycopene in all grafts but β-carotene increased in Cecilia on Beaufort (5.46 mg kg-1) and decreased in both Cecilia on He-man and Cecilia on local Syrian tomato fruits. It is concluded from this study that grafting significantly affected tomato growth and yield depending on the different rootstocks utilized.
  S.M.T. Mohammed , M. Humidan , M. Boras and O.A. Abdalla
  The objective of this study was to determine the impact of interaction between rootstocks and scions of watermelon and tomato on the chemical contents of their leaves and roots. The rootstock of local Syrian tomato produced the highest amount of total lipids, total fatty acids percentage and total unsaponated percentage of total lipids in root (0.69, 92.39, 3.34%) and leaf (0.73, 91.54, 4.02%) compared to Beaufort rootstock and He-man rootstock when grafted with Cecilia scion. With regard to watermelon grafts Samara on C. pepo excelled the two other watermelon grafts namely, Samara on Tetsukauto and Samara on Lagenaria siceria in its overall root contents of total fatty acids percentage of total lipids and total unsaponated percentage of total lipids. Samara on C. pepo excelled the other two watermelon grafts with regards to its significant leaves (0.1326, 18.73%) and root contents (0.1214, 15.33%) of phospholipids percentage and total unsaponoted phospholipids, respectively. Grafting increased indole-3-acetic acid (IAA) in seedlings of both tomato and watermelon. Cecilia on Beaufort (32.43 nm g-1) and Cecilia on Syria (36.71 nm g-1) had significantly greater contents of Indole-3-acetic acid in their roots whereas, only Samara on C. pepo watermelon grafts (98.27 nm g-1) had significant greater contents of IAA in its roots. Clear effects of grafting watermelon and tomato on their lipids and IAA contents were concluded in this study.
 
 
 
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