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Articles by S.A. El-Moursy
Total Records ( 2 ) for S.A. El-Moursy
  A.E. Sharief , A.N. Attia , S.A. El-Moursy , M.I. El-Emery and M.I. El-Abady
  Laboratory experiments [Sodium Dodecyl Sulphate polyacrylamide gel electrophoresis (SDS-PAGE) and Randomly Amplified Polymorphic DNA (RAPD) PCR] were carried out during the two seasons of 2003 and 2004. The main objectives of this study were to estimate the level of polymorphism among six maize genotypes i.e. inbred lines Gemmeiza 2 (Gm 2), Sids 63 (Sd 63) and Sids 7 (Sd 7) as well as Single Cross 10 (SC 10), Single Cross 21 (SC 21) and Three-Ways Cross 321 (TWC 321) for rapid and accurate identification. Gemmeiza 2 (Gm 2) seeds characterized by proteins with molecular weight of 149.630, 110.644 and 69.362 kD. DNA pattern of Gm 2 using primers B11, B12, B16, B17 and B18 produced 6, 4, 1, 11 and 10 bands, respectively. Sids 63 inbred line (Sd 63) had proteins with molecular weight of 166.518, 145.983, 128.639, 120.000, 78.366 and 72.526 kD. DNA pattern of Sd 63 using primers B11, B12, B17, B18 and B20 produced 7, 13, 18, 19 and 9 bands, respectively. Sids 7 inbred line (Sd 7) had proteins with molecular weights of 228.169, 165.166, 136.830, 105.268 and 98.773 kD DNA pattern of Sd 7 using primers B11, B12, B16, B17 and B18 produced 2, 9, 2, 5 and 4 bands, respectively. Single Cross 10 (SC 10) identified by proteins with molecular weights of 281.646, 258.554, 169.245, 142.449 and 121.572 kD. DNA pattern of SC 10 using primers B11, B12, B14, B17 and B18 produced 5, 3, 1, 1 and 3 bands, respectively. Single Cross 21 (SC 21) was identified by proteins with molecular weights of 259.769, 173.383, 152.119, 134.686, 103.793, 100.656, 77.349 and 73.431 kD. DNA pattern of SC 21 using primers B12, B14, B16, B17 and B18 produced 3, 1, 6, 9 and 5 bands, respectively. Three Ways Cross 321 (TWC 321) was characterized by proteins with molecular weights of 183.226, 155.934, 112.994 and 68.372 kD. DNA pattern of TWC 321 using primers B11, B12, B14, B17 and B18 produced 5, 5, 6, 8 and 1 bands, respectively.
  A.A. Kandil , A.M. Salama , S.A. El-Moursy and W.A. Abido
  Two field experiments were conducted at the Experimental Station, Faculty of Agriculture, Mansoura University during the two successive seasons of 2000/2001 and 2001/2002. A split-plot design in four replications was used. This investigation aimed to study the effect of seeding rates and cutting schedules parameters on chemical dry matter analysis of Egyptian clover variety Miskawi Giza 6. Crude protein and fiber, ash content, ether extract and nitrogen free-extract percentages in blades and stems and its yields/fed were significantly affected due to cuttings. Highest percentages of CP and ash in blades and stems were produced from the second cut. While highest percentages of CF and EE in blades and stems were produced from the third cut. The fifth cut achieved the highest percentages of NFE in both blades and stems. Moreover, highest crude protein and ash yields per feddan were produced at the second cut. The third cut produced highest averages of CF, EE and NFE yields per feddan. Seeding rates caused significant differences on Crude protein (CP), Crude fiber (CF), ash content, EE and NFE percentages in blades and stems and its yields/fed were significantly affected due to seeding rates. Highest percentages of CP and EE in stems were resulted from sown with 30 kg seed/fed. While, using 45 kg seed/fed was accompanied with the highest percentages of CF and ash content in both blades and stems as well as NFE % in blades only. Moreover, the highest yields of CP, CF, ash, EE and NFE yields per feddan were produced from the medium seeding rate of 30 kg seed/fed. Percentages of CP, CF, ash content, EE and NFE in blades and stems as well as CP, CF, ash content, EE and NFE yields/fed significantly responded as a result of cutting schedules under study. Highest CP % produced from cutting plants at 30 cm height and after 25 days intervals in both blades and stems, respectively. While, highest percentages of CF, ash content and EE in both blades and stems were produced from cutting at 50 cm height. Cutting Egyptian clover plants at 55 days intervals produced highest NFE %. Moreover, highest of CP, CF, ash content, EE and NFE yields/fed were produced from cutting at 30 cm height. There was non significant interactions between seeding rates and cutting schedules treatments on chemical dry matter analysis, this mean that each factor acted separately. It could be summarized that for maximizing forage quality of Egyptian clover Giza 6 cultivar with sowing at seeding rate of 30 kg seed/fed and cutting plants at 30 cm height under the environmental conditions of Dakahlia Governorate.
 
 
 
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