Table 7. Disease Resistance Ratings of Selected Burley Varieties

        Viral Diseases
Entry Black
Shank		 Black
Root Rot		 Wildfire TMV TEV TVMV PVY
KY 14 None Med-high High High None None None
MS BU 21 X KY 10 None Low High High None None None
R 7-11 None Medium High High None None None
CO-OP 313 Low Med-high High High None None None
CO-OP 543 Med-high Medium High High None None None
TN86 Medium High High None Med-high High *
VA 509 Medium Low High None None None None
KY 17 Med-high High High High None None None
CL 501 Med-high Medium High High None None None
N 77 Med-high Medium High Medium None None None
MS KY 14 X L8 ** Medium High High None None None
MS BU 37 X L8 ** Low High High None None None
MS BU 21 X L8 ** Low High High None None None
* TN 86 is resistant to most strains of PVY.
** High resistance to Race 0, no resistance to Race 1 black shank.