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Articles by Daud-ur-Rehman
Total Records ( 1 ) for Daud-ur-Rehman
  Muhammad Faheem Malik , Daud-ur-Rehman , Mansoor Ahmed Bajwa , Naveed Latif Lodhi , Liaquat Ali and Syed Nazar Ali Shah
  Pheromone traps against American Bollworm (Helicoverpa armigera Hub., Lepidoptera: Noctuidae) were installed at 1.5 m from the ground in peas (Pisum sativum var. Green Feast). First month was appeared on 25th and 23th April 1994-95 and 1995-96 seasons respectively. Four peaks of the pest infestation were observed each years. 1st peak (13 and 16 months) was recorded on 09-05-95 and 12-05-96 respectively. The average temperatures were 25.50 and 20.45°C, each day respectively. Last peak (16 and 11 months) was recorded on 26-06-95 and 21-06-96 respectively. The average temperature were 25.40 and 24.30°C, each day respectively. A total mean of 424 and 416 months were captured during the two seasons of the study respectively. The adult pest remained in the field till the end of the crop. The study strongly recommends the use of the pheromones than pesticides against the said pest in peas not only to control but also for the monitoring of H. armigea.
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