Abstract:
This study was performed to identify desirable Brazilian Burley tobacco (Nicotiana tabacum) genotypes for commercial cultivation under agro-ecological conditions of Swat Valley of North West Frontier Province (NWFP), Pakistan. Four Brazilian Burley tobacco genotypes; Bag-16101, Bag-161128, CSC-206, and CSC-227 along with adapted Burley-64 as check cultivar were planted in randomized block design at the Pakistan Tobacco Company Research Station, Khawza Khela, Swat during 2003-04 growing season. Data were recorded on yield and some other important plant parameters. Highly significant differences (p-1 and nicotine content. The genotype, Bag-16101, yielded the maximum number of leaves plant-1 and produced the maximum leaf yield as well. It also manifested resistance against the blank shank, brown spot diseases and viruses. Among all the introductions, CSC-206 and CSC-227 produced the best quality tobacco with grade indices of 70.8 and 68.5, respectively. Burley- 64, the commercial cultivar used in the present study, however, produced the shortest plants with the least number of leaves plant-1. This genotype displayed minimum nicotine content, the lowest yield and grade index and was the most susceptible genotype against blank shank disease and viruses. Bag-16101, CSC-206 and CSC-227, thus, displayed immense potential to replace Burley-64 in Swat valley of North West Frontier Province (NWFP), Pakistan. Moreover, the genetic potential of these genotypes can be exploited in future tobacco breeding programmes.
Page(s):
31-36
DOI:
DOI not available
Published:
Journal: Sarhad Journal of Agriculture, Volume: 25, Issue: 1, Year: 2009