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Articles by M. Razaq
Total Records ( 2 ) for M. Razaq
  M. Afzal , Naeem Hussain Gill , M. Razaq and Sajid Ali
  The physio-morphic influence of 10 different insecticides from 4 major groups of modern synthetic insecticides, compounds with new pesticidal chemistry, surfactants and emulsifiers in form of five different latest recommended schedules were studied on newly released cotton cuitivar FH-672 at Faisalabad (Pakistan). The experiment was laid out in randomized complete block design (RCBD) with four repeats. The physio-morphic characters under present research investigations were plant height, weight of dry leaves, weight of dry branches, weight of dry stem, number of leaves, number of branches, number of unopened bolls, number of opened bolls, leaf area index, leaf area and seed cotton yield. Results revealed that spray-schedules influenced only 4 physio-morphic characters like seed cotton yield, plant height, leaf area index and leaf area. The final performance was negatively correlated with leaf area index and leaf area. All other characters did not show any correlation to seed cotton yield.
  M. Afzal , M. Farooq , M. Razaq and Suhail Ayub
  Comparative efficacy of 3 different doses of two carbonates viz., Lannate 40SP (methomyl) at 400, 500 and 600 gm/acre and Larvin 80 DF (thiodicarb) at 200, 300 and 400 gm/acre was sorted out against cotton whitefly Bemisia tabaci (Genn) on NIAB. Karishma cotton at Faisalabad. All the doses of both insecticides failed to keep the population of the pest below economic threshold level (4-5/leaf). Population of the whitefly after 3 sprays due to different doses of Lannate 40SP and Larrin 80F was 6.77, 6.04, 4.98 and 7.87 and 7.87, 8.13, 6.07 per leaf respectively as compared with control (10.51 per leaf). Lannate 40SP provided better control of whitefly, maximum population decrease was observed due to highest dose (600 gm/acre). However, population reduction due to both of the insecticides did not differ significantly.
 
 
 
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