Asian Science Citation Index is committed to provide an authoritative, trusted and significant information by the coverage of the most important and influential journals to meet the needs of the global scientific community.  
ASCI Database
308-Lasani Town,
Sargodha Road,
Faisalabad, Pakistan
Fax: +92-41-8815544
Contact Via Web
Suggest a Journal
Articles by Muhammad Hamayun
Total Records ( 2 ) for Muhammad Hamayun
  Abdul Latif Khan , Javid Hussain , Muhammad Hamayun , Syed Abdullah Gilani , Yoon-Ha Kim , Shafiq ur Rehman , Kazuo N. Watanabe and In-Jung Lee
  The leaf leachate of Inula falconeri Hook. f. has been reported to carry allelopathic potential. To analyse its further effects, it was fractionated into five subfractions, i.e. hexane, chloroform, ethyl acetate, n-butanol, and water. The hexane subfraction had the highest specific activity compared with the other four fractions and presented 100% inhibitory effect to germination of lettuce seeds. Chloroform subfraction presented a dose-response effect, and the ethyl acetate subfraction exhibited insignificant inhibitory effect, while n-butanol and water subfractions presented stimulatory effects. Elemental analysis through energy-dispersive X-ray spectroscopy (EDX) showed the composition of 15 different elements with carbon, oxygen, and potassium showing highest weight percentages. In the case of hexane subfraction, highest percentages of silver (1.22%), cadmium (1.44%), manganese (0.71%), and chromium (0.70%) were observed, compared with other subfractions. Chloroform subfraction has high proportions of copper (0.63%), nickel (0.45%), iron (0.37%), calcium (0.22%), and cobalt (0.08%). In the case of ethyl acetate subfraction oxygen (49.66%) and sodium (0.33%) percentage was the highest of all the subfractions, while the other elements were observed in lesser amounts than in other subfractions. The n-butanol subfraction has recorded highest weight of zinc (0.79%) compared with other subfractions while in water subfraction significant amounts of other elements were not observed. To investigate the behaviour of these subfractions against plant pathogens, hexane subfraction (concentration gradients of 1.25, 2.5, and 5 mg/disc) demonstrated significant zones of inhibition against Alternaria alternata and Rhizoctonia solani while only an insignificant effect against Fusarium oxysporum. Thus, using active natural inhibitors of plant pathogens reveals broader perspectives and interests in avoiding losses to cash crops in the local area.
  Muhammad Hamayun , Sumera Afzal Khan , Ho-Youn Kim , Chae In Na and In-Jung Lee
  Medicinal plants still provide primary health care to human race in different regions across the globe, especially in the developing world. The role of medicinal herbs as source of traditional medicine have decreased due to the introduction of allopathic drugs but still their importance as a prime source of rural health care can not be paralleled. Medicinal plants and their pertinent knowledge need to be conserved for the future generations. During present study, traditional knowledge of 16 threatened medicinal plants of Swat Kohistan was documented and a nursery was raised in lower Swat in an effort to conserve them. Only 8 plant species viz. Bergenia ciliata, Dioscorea deltoidea, Bistorta amplexicaulis, Valeriana jatamansi, Valeriana pyrolifolia, Viola biflora, Viola canescens and Berberis lycium survived and acclimatized to new habitat, while the rest failed to germinate.
Copyright   |   Desclaimer   |    Privacy Policy   |   Browsers   |   Accessibility