UT researchers cautions growers on KT 206LC
Jan 3, 2008—Researchers at the University of Tennessee are cautioning growers using a new burley variety to only do so as a part of their 2008 crop.
Robert Miller of UT’s Tobacco Research Station reported in a November paper that new hybrid KT 206LC would be available for the 2008 growing season. KT 206LC had superior black shank resistance, moderate tolerance to blue mold and high yield potential. In addition, the new hybrid has high resistance to black root rot, wildfire, tobacco mosaic virus, tobacco vein mottling virus and tobacco etch virus.
Field trial performance on KT 206LC between 2004 and 2007 were very good, but burley growers need to consider that KT 206LC is more difficult to handle that TN 90LC. In addition, black shank severity and race incidence vary significantly from field to field and season to season, and relative performance of different varieties may be variable.
KT 206LC performs well in fields where race 0 black shank is the predominant strain, but in fields were race 1 is dominant, the variety differences with the new hybrid and KT 204LC and KT 200LC may be less obvious. Ridomil should still be sued in all fields having a history of black shank.
In addition, KT 206LC has improved blue mold tolerance when compared to KT 204LC, but it does not have levels of resistance comparable with NC 2000 or NC 2002. Significant losses can occur when prevailing weather patterns lead to extreme blue mold pressure.
For the complete report, log on to http://tobaccoinfo.utk.edu.
Jan 3, 2008—Researchers at the University of Tennessee are cautioning growers using a new burley variety to only do so as a part of their 2008 crop.
Robert Miller of UT’s Tobacco Research Station reported in a November paper that new hybrid KT 206LC would be available for the 2008 growing season. KT 206LC had superior black shank resistance, moderate tolerance to blue mold and high yield potential. In addition, the new hybrid has high resistance to black root rot, wildfire, tobacco mosaic virus, tobacco vein mottling virus and tobacco etch virus.
Field trial performance on KT 206LC between 2004 and 2007 were very good, but burley growers need to consider that KT 206LC is more difficult to handle that TN 90LC. In addition, black shank severity and race incidence vary significantly from field to field and season to season, and relative performance of different varieties may be variable.
KT 206LC performs well in fields where race 0 black shank is the predominant strain, but in fields were race 1 is dominant, the variety differences with the new hybrid and KT 204LC and KT 200LC may be less obvious. Ridomil should still be sued in all fields having a history of black shank.
In addition, KT 206LC has improved blue mold tolerance when compared to KT 204LC, but it does not have levels of resistance comparable with NC 2000 or NC 2002. Significant losses can occur when prevailing weather patterns lead to extreme blue mold pressure.
For the complete report, log on to http://tobaccoinfo.utk.edu.
