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Articles by Tariq Mahmood
Total Records ( 20 ) for Tariq Mahmood
  Tariq Mahmood , Syed Ijaz Hussain , Khalid Mahmood Khokhar , Hidayatullah and GhulamJeelani
  Observation on number of leaf hoppers per leaf of different cultivars of brinjal crop was recorded. The cultivars Purple long, Nepali and Neelum were found quite resistant to leaf hopper. The varieties Sigatoka beauty and Sitara were found as moderately susceptible while Chayat, Greek, Local Gool, Violetta, Sciliana, Prospara and Violetta lunga were found to be the most susceptible cultivars. The variety Purple long had minimum mean leaf hoppers per leaf and gave highest yield than other cultivars. Although the variety local gool was found most susceptible yet gave yield at par with resistant cultivars like Nepali and Neelum.
  Tariq Mahmood , Syed Ijaz Hussain , Khalid Mahmood Khokhar , Hidayatullah and M. H. Bhatti
  Twenty three exotic and one local cultivar of chillies were tested in an observational trial during 1998. Out of these 9 selected cultivars/lines PBC-581, PP 9656-15, BS-96, MI-2, PBC-534, Korean, PBC-386, PP 9656-6, and NARC-IV were further evaluated for yield, green and red fruit characteristic in a replicated trial during 2000. PBC-581 (17.33 t/ha) and PP9656-15 (16.04 t/ha) gave highest green fruit yield followed by BS-96 and MI-2 whereas, the local cultivar NARC IV produced the lowest yield (3.68 t/ha). Data regarding fruit size, color, position, bearing habit and pungency were also recorded. Maximum weight loss due to drying of red chilli fruit was observed in BS-96, whereas the lowest weight loss (68.72%) was recorded in cv. Korean.
  Tariq Mahmood , Syed Ijaz Hussain , Khalid Mahmood Khokhar , M. H. Bhatti and Hashim Laghari
  Four cultivars of garlic namely, G.S-1, Lehson Ghulabi, Chinese and Italian (local and exotic) were evaluated for yield and yield components during 2000-2001. The cultivar “Italian” took significantly longer time (216 days) to reach 50% neckfall than rest of cultivars which took 179 to 199 days. The average bulb weight in cv. Chinese was significantly higher than rest of cultivars which ranged from 27-35g. The cultivar “Chinese” was found to be high yielding with 11.6 tones bulb yield per hectare which was 3.4, 2.3 and 1.6 times higher than G.S-1, Italian and Lehson Ghulabi, respectively.
  Tariq Mahmood , S. I. Hussain , K. M. Khokhar , Mukhtar Ahmad and Hidayatullah
  Density fluctuation of trapped fruit flies male, Dacu zonatus was studied through out two consecutive years and effect of abiotic factors on its trapping was investigated in peach orchard. Three traps were placed in the peach orchard on Ist September 1995. The trapping of males continued from 8th September to 8th December, 1995. During 1996, the trapping continued from 6th September to 22nd November. No male was trapped from mid of December to end January during 1995-96 and end of November to Ist week of March, 1996-97. From February to April, mean number of males caught per trap was very low. The month of May, June and July were found as the period of high trapping during 1996, while the same was observed in the month of June and July during 1997. All abiotic factors contributed significantly towards increasing/decreasing fruit fly catches. Mean maximum and minimum temperature, rainfall had a positive and highly significant correlation with mean number of males per trap. Mean relative humidity was the only factor, which had a negative and significant correlation.
  Tariq Mahmood , Syed Ijaz Hussain , Khalid Mahmood Khokhar , Ghulam Jeelani and Hidayatullah
  Efficacy of two weedicides at recommended rate i.e., pendimethalin (liter ha -1) and oxadiazon (0.8 liter ha -1) was tested and compared with weed free (manual hoeing) and weedy control. Single application of any of above weedicide was not sufficient to obtain yield equal to weed free treatment. Application of pendimethalin and oxadiazon were effective in controlling weeds initially for 80-90 days. Highest bulb yield (10 ha -1) was found in weed free treatment followed by oxadiazon (5.293 ha -1), pendimethalin (4.043 ha -1). Lowest bulb yield was found in weedy control.
  Tariq Mahmood , Muhammad Ali , Muhammad Anwar and Shahid Iqbal
  Five cross of Brassica juncea viz., SMP 13-78 x Zem-I, SML 31E x Zem-I, DL 8 x Zem-I, SM 83000 x Zem-I, Pr 171-71 x Zem-I were made. These crosses (F1's) along with their parents were sown and heterosis was studied for branches per plant, plant height (cm), number of siliquas and yield per plant (g) in F1 generation. It was found that a cross of SMP 13-78 x Zem-I showed maximum heterosis and heterobeltotic for all the characters studied. Therefore, this cross combination can fruitfully be utilized for improving yield and its components in future breeding programmes.
  Tariq Mahmood , Muhammad Arshad , Muhammad Islam Gill , Hafiz Tariq Mahmood , Muhammad Tahir and Sabahat Hussain
  Cotton Leaf Curl Virus (CLCuV) is one of the disease of cotton, which is transmitted by whitefly (Bemisia tabaci Gem). In a survey conducted during the year 2001-2002, it was observed that a new variant of Multan CLCuV was appeared on all resistant cotton varieties in culture at various locations in Vehari district especially in Burewala territory. The appearance of symptoms was experimentally confirmed through graft and whitefly transmission techniques under controlled environments at Central Cotton Research Institute, (CCRI) Multan, Pakistan. Results showed that all commercial varieties in culture, which were resistant to Multan CLCuV disease, fell prey to new variant to Burewala-CLCuV. Not with standing that even parental genetic stock from which these varieties were bred had shown their susceptibility to this new variant of Multan CLCuV (commonly known as Burewala-CLCuV).
  Tariq Mahmood , Mir Ajab Khan , Jamil Ahmad and Mushtaq Ahmad
  The present study was carried out to assess, record and report the ethnobotanical potential of the Kala Chitta Hills (salt range) of District Attock. Results of the present investigation were based on medicinally important 40 species (21 families). These plant species has other benefits too along with their major utilities like apiculture, sericulture, food and fruits. The Kala Chitta Hills of the Salt Range are very unique. Due to increase in population masses, demands of people increases, causing great pressure on the products of the area. This continuous pressure for last few decades has disastrously damaged the natural characteristic ecosystem of the area. The region is very rich in having medicinal plants. To understand the indigenous knowledge of the local people through ethnomedicinal study is very important for creating awareness among them regarding sustainable natural resource management. About 100 informants including local people, hakims and medicinal businessmen were interviewed for collection of ethnomedicinal data through the questionnaire. Results were compiled, issues were discussed, conclusion was made and recommendations are suggested for the future.
  Tariq Mahmood , Syed Ijaz Hussain , Khalid Mahmood Khokhar , Ghulam Jeelani and Mukhtar Ahmad
  Population dynamic of leaf hopper (Amrasca biguttula biguttula) on brinjal crop and effect of abiotic factors on its dynamic were studied. The leaf hopper started the activity soon after transplanting. The serious activity was noticed from 21st May to 6th August. The highest leaf hopper number per leaf was found as 12.96 + 0.93 on 9.7.96. Mean maximum and minimum temperature were found as positively and significantly correlated with population change. Relative humidity and rainfall was found as negatively and non-significantly correlated with population fluctuation. Sunshine was also positively but non significant correlated factor.
  Tariq Mahmood , Muhammad Tahir , Hafiz Tariq Mahmood and Sabahat Hussain
  Twenty-seven upland cotton (Gossypium hirsutum L.) cultivars were screened for their respond to cotton leaf curl virus (CLCV) by artificial inoculation through grafting in controlled condition. The plants of each cultivars/ strains grown in sterilized soil, and were graft inoculated with CLCV infected leaf of S-12 (petiole grafting techniques). Symptoms development was recorded till 60 days after grafting. Presence of CLCV was determined, 60 days after grafting through polymerase chain reaction (PCR). Nine strains/ cultivars demonstrated the typical symptoms after 13-38 days of grafting. One group (41/99, DNH-49, CP-15/2xCRIS-404, AENB-18/10/87, AENB-36/SE/90, BH-125 and SLH-242) showed severe symptoms (13-25 days after grafting), while the other group (MNH-633 and VH-140) developed mild symptoms (35-38 days after grafting). The third group (MNH-536, FH-900, FH-901, NIAB-98, NIAB-94, NIAB-801/F, RH-500, 13/99, CIM-473, CIM-482, VH-141, VH-142, VH-143, LRA-5166xCRIS-404, BH-121 and BH-124) remained asymptomatic. Polymerase chain reaction (PCR) of all the material was also done. The first two groups showed the amplification of virus DNA, while the third group was negative. We concluded that the cultivars /strains belonging to third group are highly resistance to CLCV infection in the Multan region.
  Tariq Mahmood , Muhammad Ali , Shahid Iqbal and Muhammad Anwar
  In mustard (Brassica juncea) broad-sense heritabilities, coefficients of variability and genetics advance values were computed for primary branches, plant height, siliquas per plant and seed yield per plant in four single crosses. Number of siliquas per plant were highly heritable coupled with high genetic advance and coefficient of variability. It reflected a great scope for selection. Cross combinations 86-4-3 x Poorbi Raya and 86-16-1 x Poorbi Raya were particularly valuable for various characters. They gave high heritability and genetics advance for most characters. Indicating that selection should lead to a fast genetic improvement of the material.
  Tariq Mahmood and Muhammad Saeed
  Nitrogen level and plant density effects on different agro-physiological traits of maize cv., "Golden" were studies under field conditions at the Agriculture Research Area, University of Agriculture, Faisalabad in Autumn 1996. Treatments comprised four nitrogen levels, i.e., 0, 100, 200 and 300 kg N ha–1 and three plant densities viz., 11.11, 8.33 and 6.67 plants m–2. Yield components, such as number of cobs per plant, number of grains per cob and 1000-grain weight were decreased at higher plant density and low nitrogen levels. The maximum grain yield of 7.11 t ha–1 was recorded from the crop fertilized at 300 kg N ha–1 and raised at 11.11 plants m–2, while the minimum (2.03 t ha–1) was found in control (plant density of 6.67 plants in without N fertilization). The results suggest that 200-300 kg N ha–1 along with 11.11 plants m–2 should be used to obtain the maximum grain yield to maize cv. "Golden" under the edaphic and climate conditions matching to those of the experiment.
  Shakeel Ahmad , Mahboob Akhtar , Amer Sohail Bhatti and Tariq Mahmood
  Effect of different tillage intensities in combination with herbicide application or interculture on growth and yield of maize was investigated at Student Farm, Department of Agronomy University of Agriculture, Faisalabad during 1997. Maximum grain yield (4.92 t h–1) along with highest net benefit (Rs. 38660/=) per hectare was obtained for the crop raised with tilling the soil twice followed by herbicide application against the lowest grain yield (2.72 t ha–1) and net benefit (Rs. 20890/ =) per hectare for the crop grown at zero tillage followed by interculture.
  Nasir Saleem , Muhammad Rashid , M. Anjum Ali and Tariq Mahmood
  The investigations to ascertain the effect of varying rates of NPK per hectare (ha–1) on seed yield and oil contents of three Raya cultivars i.e. RL-18 (V1), Parkash (V2) and Peela Raya (V3) were carried out at Agronomic Research Area, University of Agriculture, Faisalabad. Among the four fertilizer levels i.e. Fo (control), F1 (75-0-0 NPK kg ha–1), F2 (175-50-0 NPK kg ha–1) and F3 (75-50-50 NPK kg ha–1) used, the level F3 (75-50-50 NPK kg ha–1) influenced significantly all the growth and yield parameters such as number of pods per plant (585.59), number of seeds per pod (13.10), 1000 grain weight (3.70 g), seed yield (1640.10 kg ha–1) and straw yield (8849.40 kg ha–1) in all the three varieties (V1, V2 and V3). But none of the fertilizer levels (F0, F1, F2 and F3) affected the oil contents in any one of the three (V1, V2 and V3) varieties.
  Tariq Mahmood , M. Saeed and Riaz Ahmad
  Crop irrigated at 25 and 50 percent ASMD gave 21.53 and 17.10 percent greater grain yield ha–1 than that irrigated at 75 percent ASMD. Application of P2O5 at 200, 150 and 100 kg ha–1 increased grain yield by 24.50, 20.31 and 13.64 percent, respectively over control. In general, maize irrigated at 25 percent ASMD gave significantly higher grain starch and ail content, than that irrigated of 75 percent ASMD, but it significantly decreased grain protein content. Similarly application of K2O significantly increased grain starch and oil content. However, K2O application had non-significant effect on grain protein content in 1992 but caused significant increase in 1993.
  Muhammad Shafi Nazir , Abdul Jabbar , Abdul Quddus khalid , Shah Nawaz and Tariq Mahmood
  Investigation into the effect of different geometric arrangements on morpho-qualitative traits of a cotton cultivar NIAB-86 were carried out at the University of Agriculture, Faisalabad. The geometric arrangement comprised 60, 70, and 80 cm spaced single row and 90, 105 and 120 cm double-row strip plantation. Plant population of about five plants m–2 arranged in the pattern of 90 cm spaced double-row strips with 30 cm space between the rows of strip (30/90 cm) appeared to be optimum for getting good yield of seed cotton. The maximum seed cotton yield of 1693 kg ha–1 was obtained from the crop planted in 90 cm spaced double-row strips against the minimum of 1431 (kg ha–1) in case of 60 cm spaced single-row plantation. However, both fibre length and fibre strength were not affected significantly by the different geometric arrangements.
  M. Anjum Zia , M. Yaqub , Khalil- ur-Rehman and Tariq Mahmood
  To standardize the indirect ELISA under local conditions, antispecies-antibodies were produced in rabbits. The antibodies against Pasteurella multocida were produced in buffalo calves by injecting the formalin, heat-killed organism_ These antibodies were inoculated into rabbits to produce rabbit-antibuffalo antibodies. These were isolated and partially purified by ammonium sulfate precipitation technique. Protein contents were estimated using Biuret method and the presence of rabbit-antibuffalo antibodies was confirmed and measured through agar gel precipitation test (AGPT). These isolated anti-antibodies were conjugated with horseradish peroxidase by two-step glutaraidehyde method. Ten mg of horseradish peroxidase was applied for the Anti-antibody-Enzyme Conjugate formation and the best results were recorded at 1 :100 and 1.200 dilutions of above conjugate when tested through indirect ELISA for H.S. anti-antibodies.
  Shahid Iqbal , Tariq Mahmood , Tahira , Muhammad Ali , Muhammad Anwar and Muhammad Sarwar
  Interrelationships between yield and its components were determined by genotypic correlation and path coefficient analysis in ten soybean varieties. The results indicated that seed yield plant–1 was positively and significantly associated with all parameters studied. The results also showed that pods plant–1 has maximum positive direct effect on yield plant–1. It was followed by 100 seed weight and seeds pod–1. Plant height had negative direct effect on yield plant–1. It was concluded that pods plant–1, seeds pod-` and 100 seed weight were the main yield components.
  Muhammad Nadeem , Arshad Javid , Muhammad Abdullah , Atta Muhammad Arif and Tariq Mahmood
  The main objective of this study was to improve the nutritional value of butter milk by blending with dry leaves of Moringa oleifera that can be used to prevent and correct malnutrition in women and children of this poor nation. Dry leaves of Moringa oleifera was incorporated into butter milk at three different concentrations i.e. 1% addition (T1), 2% addition (T2) and 3% addition (T3). All these treatments were compared with a control T0 without any addition of dry leaves of Moringa oleifera (100% butter milk). Addition of dry leaves of Moringa oleifera at all levels did not have any negative effect on pH and acidity of the fortified butter milk. Protein and ash content increased from 3.41-4.09% and 0.75-1.13% which was 20 and 50% respectively at T3 level. Iron and calcium content of the fortified butter milk increased from 0.03-6.77 and 117.22-174.34 mg/100 grams in T3. Vitamin C, B1, B2 and B3 increased by 168, 233, 393 and 624% respectively as compared to control. Addition of dry leaves of Moringa oleifera at T2 level did not have any significant effect on color, taste and overall acceptability scores. The overall acceptability score of T3 was 6.7 out of 9 which was more than 74%. It was concluded that dry leaves of Moringa oleifera can be used at T3 level (3% addition) to formulate fortified butter milk with increased health benefits and acceptable sensory attributes.
  Muhammad Nadeem , Muhammad Abdullah , Arshad Javid , Atta Muhammad Arif and Tariq Mahmood
  The main objective of this research work was to develop a functional fat from Butter Oil (BO) and Moringa oleifera Oil (MOO) blends by interesterification process. To prevent the separation of liquid and solid phase the blend was chemically interesterified. MOO was incorporated into BO at five different levels i.e. T1 (90% BO and 10% MOO) T2 (80% (BO) and 20% MOO) T3 (70% BO and 30% MOO) T4 (60% BO and 40% MOO) and T5 (50% BO and 50% MOO). All these treatments were compared with a control T0 which did not contain any addition of MOO (100% BO). Melting point of all the treatments along with control increased after interesterification. Melting point of T5 was 35.5°C with iodine value of 60.44 (g/100 grams). Cholesterol reduction with beta cylodextrin increased as the concentration of MOO increased in the blend. The cholesterol reduction in T1 and T5 was 87 and 94% respectively as compared to control 85%. Oxidative stability was significantly increased with increasing augmentation of MOO in the blend. After 5 days in oven at 63°C the peroxide value of T5 was 2.19 as compared to control 13.14 (M. Eq./kg). It can be concluded that MOO and BO can be used in the formulation of functional and shelf stable fat.
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