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Articles by A. B. Leghari
Total Records ( 3 ) for A. B. Leghari
  A. W. Soomro , A. S. Arain , A. R, Soomro , G. H. Tunio , M. S. Chang , A. B. Leghari and M. R. Mags
  Two field experiments were laid out to assess the yield performance of cotton for four successive years i.e. 1997 to 2000 crop seasons by the application of NPK fertilizers each having three levels (50, 100 and 150). On an average, highest seedcotton yield of 2413 kg ha-1 was obtained when the crop was fertilized with 150, 50 and 50 kg ha-1f N, P and K respectively. The lowest yield of 1039 kg ha-1 was produced from the control plot where no chemical fertilization was applied. The seedcotton yield was further significantly increased with the application of boron and zinc when applied alone or in combination. The results revealed that balance use of macro as well as micro nutrient elements are essential for harvesting better yields.
  Panhwar G. R . , G. A. Panhwar , A. W. Soomro , M. R. Magsi and A. B. Leghari
  Cotton leaf curl virus (CLCV) is a very dangerous disease and is spreading in Sindh after Punjab and it affects whole cotton plant which results in drastically low cotton production. The survey report suggests that the disease was present in Ghotki, Sukkur, Khairpur, Noushehroferoz and Nawabshah districts. However, Dadu, Hyderabad, Sanghar, Tharparkar, Mirpurkhas and Umerkot districts were found disease free. It indicates that the disease has traveled up to central part of Sindh province. However, lower Sindh and the areas adjacent to the central parts are still free from this disease. High intensity was observed in Ghotki and showed decreasing trend in the areas far from Ghotki and thus low intensity was found in Nawabshah district.
  S. Mansoor , M. Hussain , S. H. Khan , A. Bashir , A. B. Leghari , G. A. Panwar , W.A. Siddiqui , Y. Zafar and K. A. Malik
  Samples of cotton plants showing symptoms of cotton leaf curl disease were collected from cotton fields in Sindh. Samples of some other plants including tomato, chillies, okra and Hibiscus suspected for whitefly-transmitted geminiviruses were also collected from these areas and total DNA was extracted. Degenerate primers designed to amplify DNA-A of whitefly-transmitted geminiviruses were used in PCR for the amplification of viral DNA. A product of expected (1.4 kb) was obtained from all these samples which confirmed the infection of whitefly-transmitted geminiviruses. PCR primers specific for the two whitefly-transmitted geminiviruses species namely CLCuV-Pk1 and CLCuV-Pk2 found associated with cotton leaf curl disease in Punjab were also used to confirm identity of cotton leaf curl virus in Sindh. A product specific for CLCuV-Pk1 was obtained from all four symptomatic cotton samples. The results showed that cotton samples were infected with CLCuV-Pk1 while CLCuV-Pk2 was not detected in these samples. This is the first report of detection of whitefly-transmitted geminiviruses on these crops from Sindh. Our data not only confirm the presence of a whitefly-transmitted geminivirus on cotton but also showed that the disease is caused by one of the virus species found in Punjab.
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