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  1 - Investigation of qualitative and quantities characteristics of some air cure tobacco cultivars in irrigation and dry farming condition
  Ezzatullah Malek Mohammad Nasri Nabi -Allah Nemati
  Tobacco is an industrial plant and is among the most important income-generating products for farmers. It is cultivated in over 100 countries. After the arrival of western air-drying tobaccos to Iran, Burley number 21 was introduced in Burley-cultivating regions of Maza More

  Tobacco is an industrial plant and is among the most important income-generating products for farmers. It is cultivated in over 100 countries. After the arrival of western air-drying tobaccos to Iran, Burley number 21 was introduced in Burley-cultivating regions of Mazandaran and Golestan Provinces and was cultivated as single number until 2009. In 2009, a new foreign sterile male number H B4105P was introduced for two provinces of Mazandaran and Golestan after several years of studies. Since this number is foreign and researchers intend to introduce appropriate numbers to the said two provinces, the present research was carried out to study two sterile male lines (NC3 BURLEY21 and C103 BURLEY21) and numbers BURLEY A1, BURLEY TMV3, BURLEY TN 86, BURLEY URUMIEH 9 and BURLEY T 1024 together with Burley witness number 21 (8 Timar altogether) in Burley-cultivating regions of Mazandaran Province in dry-farming and rainfall-dependent conditions in Esbokola and Golestan villages by stack rain-based irrigation method in Valesh Abad village, each in three repetitions (stochastic full blocks design) with effective 40-square meter kurts (width of 5 m and length of 8 m) and cultivation distance of 50X100 cm and 2-m distance between kurts in the year 2011. According to the results achieved by statistical analysis of the characteristics under study, in Mazandaran region, burley number TN86 showed better quality than other numbers in terms of performance, income and viral infection diseases. In Golestan region with rain-based irrigation conditions, burley number A1 was found to be of better quality in terms of function and income and viral infection diseases. Therefore, the above two numbers were introduced and recommended as superior numbers. After carrying out composite variance analysis, burley A1 was found to be the best number in the said two regions in terms of function, income and viral infection diseases Manuscript profile