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Articles by Abdul Wahid Soomro
Total Records ( 3 ) for Abdul Wahid Soomro
  Abdul Aziz Memon , Mohammad Nawaz Kalwar , Abdul Wahid Soomro , Mohammad Hussain Arain and Ghulam Hyder Kalwar
  The effect of Olitref and Agil weedicides alone and in combination was studied in cotton. Combine application of Olitref and Agil at pre and post emergence stages respectively gave the best weed control and the maximum seedcotton yield (2415 kg ha-1). Olitref weedicide was found better than Agil and the yield was 2093 kg ha-1 and 1863 kg ha-1 respectively. The seedling density and final plant height were not effected by the application of weedicides. However, the plots treated with Olitref and Agil gave the maximum plant height of (167.75 cm). The number of mature bolls per plant was also maximum in plots where these weedicides were applied.
  Ghulam Hussain Mallah , Akram Khan Korejo , Abdul Razaque Soomro and Abdul Wahid Soomro
  Biological control is the most important component of IPM because a number of pests of a crop, remain under natural control if crop is unsprayed. Many natural enemies such as predatory beetles, bugs, lacewings and spiders have been recorded in cotton fields in Sindh Pakistan, but their potential value has been widely exploited in cotton pest management due to lack of techniques to conserve and maximize both their abundance and effectiveness. During 1999 cotton season population dynamics studies were carried out to observe the beneficial insects under sprayed and unsprayed conditions at Sakrand Sindh. Three spray applications were given in sprayed block with Dimethoate 40 EC, Thiodan 35 EC and Tracer 480 SC against sucking and bollworm complex of cotton. Predators appeared 10 days after germination of cotton plant. The species observed during the season were i.e. chrysopa, orius, geocoris, spiders, coccinellids, Zanchius and campylomma. The numbers of predators ranging from three to fifty six thousand in unsprayed plot and 0.7 to 8.9 thousands in sprayed block. These predators were active throughout the cotton season with a peak population during July and August.
  Abdul Aziz Memon , Abdul Wahid Soomro , Ghulam Hyder Kalwar , Mohammad Hussain Arain and Mohammad Nawaz Kalwar
  A field experiment was conducted during the cotton season 1998 to study the optimum nitrogen requirements of three new cotton varieties developed by Central Cotton Research Institute, Sakrand viz., CRIS-18, CRIS-21 and CRIS- 9. The studies concluded that 100 kg N/ha is the optimum requirement of nitrogen fertilizer for these three cotton varieties under Sakrand conditions. More over, the cotton crop did not respond to higher dose of 150 kg N/ha.
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