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Articles by Abdul Khaliq
Total Records ( 4 ) for Abdul Khaliq
  Asad Hussain Shah , Muhammad Fareed Khan and Abdul Khaliq
  Four local and two commercial maize varieties were used as experimental material, to evaluate the biodiversity among them by using SDS-PAGE technique. Variations were observed in protein profile shown by all of them and some similarities also. Kisan-90 was different from the rest, as it was variable in the banding pattern. There were similarities in Kotli White and Sarhad White, where as they shared two common bands. Poonch Yellow and Kotli Yellow had similarity at least for one band. All the rest of accessions were different. Kisan-90 however was prominent in protein profile in the gel.
  Ibrar-ul-Hassan Akhtar , Humayun Javed and Abdul Khaliq
  Research was conducted at the experimental fields of the Crop Science Institute, National Agricultural Research Centre, Islamabad during winter 2003. Inqilab-91 wheat variety was sown under Randomized Complete Block Design with three replicates. Data were collected through visual count method weekly. Overall aphid morphs distribution of both aphid species was significantly different during season 2003. Population of Rhopalosiphum maidis (Fitch) nymphs peaked to 5.508±1.22 nymphs/plant during mid March. Apterous and alates population peaked 1.293±0.486 and 1.114±0.278/plant, respectively. Morphs population of Schizaphis graminum (Rondani) including nymphs, apterous and alates peaked to 20.853±2.35, 3.516±0.771 and 0.375±0.077/plant, respectively. Corn leaf aphid mean population distribution on leaf, stem and spike was significantly different (F12,103=4.555, P=0.000; F12,103=5.367, P=0.000; F12,103=3.224, P=0.001) and non significant on flag leaf (F12,103=1.138, P=0.340) during crop season. Greenbug mean population distribution on leaf, stem, flag leaf and spike was significantly different (F12,103=12.659, P=0.000; F12,103=4.902, P=0.000; F12,103=7.147, P=0.000; F12,103=3.254, P=0.001) during 2003, respectively.
  Ibrar-ul-Hassan Akhtar and Abdul Khaliq
  Research was conducted to determine the effect of Coccinellid predators and plant phenology on the population dynamics of Macrosiphum rosaeiformis Das (Aphididae: Homoptera) in the University of Arid Agriculture Rawalpindi from 5th November 2000 to 15th April 2001. The rose aphid population was peaked in the month of January 2001. Rose aphid population was negatively correlated with Coccinellids predators. Rose aphid preferred the tender portion of plant especially flowers and flower buds causing deformation and discolouration. The resistance of four varieties i.e. Ice White, Sarabande, Lake Como and Iceburg (Rosa indica: Rosaceae) was studied against rose aphid. None of variety had resistance against rose aphid to significantly reduce their population.
  Naheed Akhtar Awan and Abdul Khaliq
  Thirty four maize cultivars were evaluated to observe their relative resistance against maize stem borer (Chilo partellus ) during Kharif, 2001. The varieties studied were Sarhad Yellow, EV-1097, Kissan, Babar, Agaiti-85, Gauhar, Margala, EV-2097, NC Br-1, NC BR2, C 6765-28, NARC 25 FI, NARC 251-1, NARC 25 12-2, NARC 25 12-2, NARC 25 12-21, C 6765-9, C 6765-11, C 6765-40 I, C 6765-40, C 6765-24, C 6765-28L, C 6765-29, C 1751-147-3 I, C  1751-54-2,  C 175-223, C 1752-16-2 I, C 1752-23-2 I, C 1752-43-3 I, C 1752-44-2 L, C 1752-14-2, C 1752-16-1, C 1752-17-3 and NARC 25 E. Variety EV-2097 was found to be most susceptible with 3.57% tassel infestation. Varieties NC BR-1, NARC 25 F I, NARC  25 1-1, NARC 25  12-2,  NARC  25  12-2 I, C 6765-40 I, C 6765-24, C 6765-24, C 6765-28 L, C 6765-29, C 1751-147-3 I, C 1751-54-2, C 1652-44-2 L and C 1752-17-3 were found to be resistant. The maximum percentage of dead hearts (3.56%) was recorded on EV-2097 and was observed  as  most  susceptible variety.  The  highly  resistant  varieties  with 0.707% dead hearts include NARC 25 F I, NARC 25 1-1, NARC 25 12-2, NARC 25-2 I, C 6765-28 L, C 6765-40 I, C 1752-23-2 I and C 1752-44-2 L.
 
 
 
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