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Articles by Muhammad Yousaf
Total Records ( 5 ) for Muhammad Yousaf
  Muhammad Yousaf , Amir Ahmed , N. Nawaz , G. Sarwar and B. Roidar
  A field study was conducted on canola during 1999-2000 at Arid Zone Research Institute, Bahawalpur. The treatments included the two varieties of canola (Dunkled and Rainbow) and three planting densities (10, 20 and 30cm). The objective of this study was to determine the response of canola to different planting densities for days to 90% germination (DG), days to 50% flowering completion (DFC), seed yield Kg ha-1, plant height, number of primary branches per plant, number of secondary branches per plant, number of pods per plant, pod size and number of grains/pod. On average variety dunkled with planting density (10cm) produced higher grain yield of 2222.27 Kg ha-1 as compared to variety Rainbow and other planting densities (20, 30cm). The planting density 30cm produced lowest yield of 1704.33 Kg ha-1. In case of number of primary branches per plant, number of pods per plant and seed yield the results were significantly effected by different planting densities.
  Muhammad Yousaf , Amir Ahmed and Mahboob Akhtar
  The study pertaining to response of two genotypes of sugarcane (Saccharum officinarum L.) to different planting patterns was conducted at the Agronomic Research Area of University of Agriculture, Faisalabad. Two sugarcane genotypes SPSG-26 and Co-1148 were sown in six planting patterns, i.e., 100cm spaced 30cm wide single-row ditches (P1), 100cm spaced 60cm wide double-row ditches (P2), 100cm spaced 90cm wide triple-row ditches (P3), 100cm spaced 100 x 100 cm2 pits (P4), 90cm spaced single-row strips (P5), and 90cm spaced double-row strips 30/90cm (P6). Sugarcane genotypes and planting patterns were differed significantly with respect to number of millable canes, cane length, inter-nodal length, weight per stripped cane, tops weight, stripped cane yield, sucrose content and commercial cane sugar (CCS%). The maximum yield of 99.64 t ha -1 was obtained from the variety Co-1148 planted in 100 cm spaced 100 x 100 cm2 pits and significantly high commercial cane sugar (14.75%) was found in SPSG-26 planted in 90cm spaced double-row strips 30/90cm (P6).
  Ghulam Abbas , Muhammad Yousaf and Rizwana Aleem Qureshi
  The present study has been conducted to determine the water quality and estimation of heavy metals of Fim Kassar Nallah. The water quality parameter including Hardness, Alkalinity, Total Suspended Solids and pH. The water samples were collected from the selected site for the period of six month from January to June 2005 on monthly basis. The data indicates that the amount of total suspended solids and electrical conductivity is not suitable for aquatic life. The values of pH were found more or less same during the six months. The values of total suspended solid were found to be higher during the month of June while there is no significance difference could be found between dissolved oxygen. The heavy metals including Copper, Zinc, Lead and Cadmium were tested by using Atomic Absorption Spectrophotometer. The data show that there is no significance difference among the concentration of heavy metals. The level of Copper and Zinc were found to be tolerable range which is 2 and 5 mg L-1 respectively, while the values of Cadmium and Lead were found higher than tolerable range for aquatic life which were 0.005 and 0.015 mg L-1, respectively.
  Shakeel Ahmad , Ahsan- ul-Haq , Muhammad Yousaf and Haq Nawaz
  Two hundred and forty White Leghorn laying hens at 48th week of age were randomly divided into 24 experimental units. These experimental units were allotted to eight treatment groups which were fed diets with 0, 2, 3 and 4% canola oil with 3000 or 10000 IU vitamin A/kg of diet (4 x 2 factorial design), for a period of 12 weeks in order to observe the effects of feeding canola oil and vitamin A on the fatty acid profile of egg yolks. Two eggs per replicate were collected at the end of trial and analyzed for fatty acid contents of egg yolks. The increase in dietary canola oil levels increased (p<0.001) both n-6 and n-3 Polyunsaturated Fatty Acids (PUFA) but the increase in n-3 PUFA was more pronounced. The n-6/n-3 ratio decreased with the increase in dietary canola oil levels. However, the increase in dietary vitamin A level did not influence (p>0.05) the egg yolk fatty acid composition.
  Muhammad Pervaiz , Muhammad Yousaf , Muhammad Sagir , Ansar Pervaiz and Muhammad Yasin Naz
  Different derivatives of phenylhydrazine were used in the synthesis of metal complexes and acted as antimicrobial agents. The titled series of monometallic complexes has been employed individually against a series of bacterial and fungal strains just to check the enhanciablity of biological activities of the synthesized monometallic complexes as compared to the parental synthesized ligand which was derived by the condensation reaction of phenyl hydrazine with salicylaldehyde. Different bacterial and fungi strains were used to check the capability of the monometallic complexes and ligand as antibactrial and antifungicides. The results showed that the monometallic complexes exhibit strong effect against bacterial and fungal strains than the ligand. The lignad was further reacted indvidually with series of transition metals analysed by different spectroscopic tools as FT-IR, MS and NMR while the complexes were characterized by FT-IR and XRD. From the antimicrobial activity data, it was concluded that the ligand showed less values both for antifungal and antibacterial activity than metal complexes.
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