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Articles by Muhammad Asif
Total Records ( 6 ) for Muhammad Asif
  Abdul Hamid , Zulfiqar Ali Shah and Muhammad Asif
  The effect of different stecklings size (22.5, 3.0 and 33.75 cm) on the seeds production of radish under sub- tropical climate of Azad Kashmir were studies. It was observed that the number of the leaves, leaf length, secondary branches of plant, number and length of pods per plant, 1000 grains weight and average seeds yield per hectare was highest in plots of larger steckling size 33.75 cm as compared with plots having smaller stecklings size 30.0 and 22.5 cm while non-significant differences were observed in primary branches and number of seeds per pod in all treatments. The larger steckling size 33.75 cm proved best for the better seed plant development and higher seed yield of radish crop under sub-tropical conditions of Azad Kashmir.
  Sh. Muhammad Nawaz , Babar Shahbaz , Assad Farooq and Muhammad Asif
  The effect of beater speed, grid bar setting and cotton trash percentage upon Uniclean (B 11) and Giant cleaner setup were studied for quality characteristics of cotton. The results in respect of fibre length and uniformity ratio showed highly significant differences in the mean values for different combination of settings as well as cleaning segments. Uniclean exert swift gentle but firm action of less stress on fibres whereas the action of Giant cleaner is very aggressive and severe during its cleaning action, which is detrimental to fibre staple.
  Khalida Khan , Muhammad Naeem , Muhammad Javad Arshad and Muhammad Asif
  High Pressure Liquid Chromatographic technique was employed to study caffeine contents in beverages. The samples were collected from local markets of Pakistan and determined its quality, quantity and suitability. A certified testing method for caffeine extraction was developed. Two extraction methods were used throughout this work solvent extraction and column extraction. The resulted extracts were concentrated then injected in HPLC equipped with ultra-violet detector. The quantitative results when compared with reference standard proved that column extraction is more selective then solvent extraction.
  Muhammad Asif , Manzoor Ahmed , Abdul Gafoor and Zhahoor Aslam
  Present study was conducted to determine the impact of laser land leveling versus traditional land leveling on wheat productivity, land and water-use efficiency during Rabi 2000-2001. The result indicated that Laser land leveling gave significantly higher grain yields (5.56 t ha-1) than the unleveled land (3.99 t ha-1) but was at par with traditionally leveled one. However, no significant differences among the treatments were recorded for 1000-grain weight and grains ear-1. The total irrigation duration and applied water depth was reduced by 47 and 15% as compared to unleveled and traditional leveled fields, respectively. The laser-leveled fields exhibited the highest water use efficiency (WUE), which was 98.7 and 29.36% higher than the unleveled and traditionally leveled field, respectively. It was concluded that the use of Laser Land leveling surely increases grain yield and save irrigation water as compared to traditional method of sowing.
  Saima Bashir , Asghar Ali , I.A. Qamar , M. Arshad , Salim Sheikh and Muhammad Asif
  To determine the correlation coefficients for different economically important traits using three warm-season forage legume species of cowpea (Vigna unguiculata (L.) Walp.), lablab bean (Lablab purpureus L.) and rice bean (Vigna umbellata Thunb.), the observations were recorded on plant height, number of branches/plant, number of pods/peduncle, number of pods/plant, number of seeds/pod, pod length, days to 50% flowering, 100-seed weight, days to maturity, grain yield, straw yield and biomass. Simple correlation was used to see the association among plant traits. The species were significantly (P 05) different for most of the parameters studied showing variability among the genotypes for those characters. A significant (P<0.05) positive correlation was observed for plant height with pod length and 100-seed weight, number of branches/plant with days to 50% flowering and days to maturity, number of pods/peduncle with number of pods/plant, pod length with seed size, number of seeds/pod with pod length, days to 50% flowering with days to maturity, grain yield with straw yield and TDM (total dry matter) and straw yield with TDM. It indicates that these positive associations may be exploited for any improvement work of the traits in warm-season forage legumes to improve their overall productivity and production.
  Muhammad Asif , Ihsan Khaliq , Muhammad Aslam Chowdhry and Abdus Salam
  Five wheat varieties/lines viz; HABA-4, HABA-12, Pitic-62, Pak-81 and LU26S were crossed in a diallel fashion to determine the mode of inheritance of some important spike characteristics. Number of spikes per plant, number of grains per spike and grain yield per plant were governed by over dominance type of gene action. Number of spikelets per spike, spike length and 1000-grain weight were ruled by partial dominance with additive type of gene action except spike length in which non additive type of gene action was observed. Epistasis was absent for all the traits studied.
 
 
 
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