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Articles by Khalid H. Qureshi
Total Records ( 4 ) for Khalid H. Qureshi
  Imtiaz A. Nizamani , Muzaffar A. Talpur and Khalid H. Qureshi
  An experiment was laid out to evaluate the effectiveness of different insecticides against white-backed plant hopper on rice crop at Entomology Section, Rice Research Institute Dokri, during summer, 2000. Five insecticides namely Thioluxan 50EC (endosulfan) at 600 ml/ac, Tamaron 60SL (methamidophos) at 400 ml/ac, Procuron 400EC (profenofos) at 500 ml/ac, Curacron 500EC (profenofos) at 250 ml/ac and Trend 60SL (methamidophos) at 400 ml/ac were tried and compared with an un-treated control. It was found that all insecticides reduced population of white-backed plant hopper significantly at 24, 48-hours and one- week of post- treatment and increased paddy yield over check plot. However, Procuran found to be significantly more effective in contrast to rest of the product tested.
  Muzaffar A. Talpur , Khalid H. Qureshi and Imtiaz A. Nizamani
  Not Available
  Muzaffar A. Talpur , Imtiaz A. Nizamani and Khalid H. Qureshi
  An experiment was conducted to assess the chemical control of sugarcane stem borer, Chilo infuscatellus (Sn). In the experimental area of Sugarcane Section, Agriculture Research Institute, Tandojam during 1999-2000 season. Four insecticides namely Furadan 3G (carbofuran) at 12 kg/ac, Padan 4G (cartap) at 9 kg/ac, Basudin 10G (diazinon) at 9 kg/ac and Thimet 5G (phorate) at 10 kg/ac and compared with an un-treated (check plots) using a “Complete Randomized Block Design” with three replicates. It was found that all insecticides minimum infestation percentage of stem borer significantly at 10, 15 and 30 days of post- treatment and increased cane yield over check plot. Among the best products Furadan proved superior in checking stem borer infestation over rest of the product tested.
  Abdul Ghani Lanjar , Muzaffar A. Talpur , Rab Dino Khuhro and Khalid H. Qureshi
  Occurrence and abundance of grasshopper species on rice crop was monitored on rice variety IRRI-6 at Rice Research Institute, Dokri during summer of 2001. The four species infesting rice crop recorded were, Hieroglyphus banian Fb. (Rice grasshopper), Oxya nitidula Willemse (Small green grasshopper), Chrotogonus trachypterus trachypterus Blanchard (Surface grasshopper) and Aiolopus tamulus F. (Small grasshopper). Chrotogonus trachypterus trachypterus was recorded in maximum number (12.8 nymphs and 39-l2 adults/observation) during July-October with mean temperature of 37.95 °C Aiolopus tamulus and Oxya nitidula were observed with their maximum population of nymphs (37.6 and 51.0/observation) and adults (39.0 and 70.0/observation), respectively during September-October with mean temperature range of 34.02-37.95 °C. Species H.banian was observed maximum during August-October with (4.6 nymphs and adults 15.2/observation) under mean temperature range of 35.65-37.95 °C. Maximum nymphal activity of all grasshopper species was noticed during three weeks after transplanting of crop and adults were maximally active at crop maturity.
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