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Articles by M.R. Khan
Total Records ( 2 ) for M.R. Khan
  Nisar Ali Shah , Mohammad Afzal , Syed Mohammad Khair and M.R. Khan
  In Balochistan due to no rain and snow fall which was held responsible for increasing water table, affected Karezes and Tubewells so badly that most of the orchards became dried. The water table declined up to 7 meters annually, and it was not possible for farmers to meet the situation in time. The most of the orchards were either uprooted or replaced by vegetable growing. Data revealed that the plant mortality rate due to drought was higher in S.H.Balochistan i.e., 242.38 trees as compared to the N.H.Balochistan i.e., 240.98 trees. The overall losses of the major fruits was higher in N.H.Balochistan i.e., 54.39 % as to the S.H.Balochistan which was 39.76 %. Results indicated that Kareze and springs became dried as and when the water table become declined. The reduction in yield was estimated as 80% due to irrigation water shortage and 20 % due to high evaporation rate in terms of high temperature. From the survey it is evident that the drought during the year effected the yield and social life of the farmers.
  Lipika Ghosh , N. Ahsan , S. Parvez , A.M. Swaraz , M.R. Khan , M.R. Ali and M.F. Alam
  Leaf spot disease incidence caused by Cercospora moricola Cooke was studied on five high yielding and a local variety of mulberry during the months of May to September in 2000, 2001 and 2002. Leaf infection was observed in those years. Percentage of disease incidence was calculated against Cercospora leaf spot disease in five high yielding and one local varieties. Among the six varieties the local one was found to be highly susceptible to Cercospora where the highest disease incidence (55.60%) around three years was recorded. BM-4 (16.97%) and BM-5 (18.46%) were found to be moderately resistant. On the other hand BM-1 (27.83%), BM-2 (29.82%) and BM-3 (36.99%) were identified as moderately susceptible to leaf spot disease.
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