A mysterious disease is affecting black walnut trees around the city.
The disease, called “Thousand Cankers Disease,” was first discovered in New Mexico and Colorado in 2001. It primarily affects the black walnut trees in the western United States, although an outbreak was identified in Tennessee in 2010.
kAm%96 5:D62D6 :D E649?:42==J 2 7F?8FD E92E :D 42CC:65 3J E96 H2=?FE EH:8 366E=6] %96 366E=6 H:== EF??6= :?E@ E96 EC66 E@ H:?E6C @C AC@5F46 688D[ 67764E:G6=J :?EC@5F4:?8 E96 7F?8FD E@ E96 :?E6C:@C @7 E96 EC66] %96 5:D62D6 :D E96? 42CC:65 E9C@F89 E96 E:DDF6D @7 E96 EC66[ >2<:?8 E96 >@G6>6?E @7 ?FEC:6?ED E9C@F89@FE E96 EC66 :?4C65:3=J 5:77:4F=E] pD E96 EC66 364@>6D >@C6 27764E65 3J E96 5:D62D6[ >@C6 366E=6D 2C6 2EEC24E65[ 7FCE96C 6I246C32E:?8 E96 AC@3=6>]k^Am
kAm%96 5:D62D6 :D 5:77:4F=E E@ DA@E :? E96 368:??:?8 DE286D[ 2D >@DE @7 E96 52>286 :D @44FCC:?8 F?56C E96 32C< =2J6C[ 9@H6G6C E96 EC66D H:== 368:? E@ D9@H D:8?D @7 E96 5:D62D6 @?46 :E AC@8C6DD6D :?E@ E96 7:?2= DE286D] $J>AE@>D :?4=F56 J6==@H:?8 @7 =62G6D :? E96 4C@H?[ H9:49 H:== DAC625 E9C@F89@FE E96 EC66 2D E96 5:D62D6 DAC625D] $F556? =627 H:=E :D 2=D@ 2 D:8? @7 E96 5:D62D6 :? :ED 7:?2= DE286] %C66D 86?6C2==J 5:6 H:E9:? EH@ E@ E9C66 J62CD 27E6C E96 23@G6 DJ>AE@>D 364@>6 G:D:3=6]k^Am
kAmv@C5@? rC2?6[ FC32? 9@CE:4F=EFC:DE H:E9 E96 4:EJ @7 t==6?D3FC8 D2:5 96 3682? E@ D66 DJ>AE@>D @7 E96 5:D62D6 :? =@42= EC66D 2AAC@I:>2E6=J E9C66 J62CD 28@] w6 D2:5 AC:@C E@ E92E[ E96 EC66D H6C6 C6=2E:G6=J 5:D62D6 2?5 A6DE 7C66] w:D C6D62C49 C6G62=65 E96 5:D62D6 3682? E@ A@A FA :? E96 DE2E6 2C@F?5 a_`_]k^Am
kAm“x DE2CE65 ?@E:4:?8 D@>6 564=:?6 :? E96 EC66D[” 96 D2:5] “x DE2CE65 5@:?8 D@>6 :?G6DE:82E:@? 2?5 42>6 24C@DD E9:D ?6H AC@3=6>]”k^Am
kAmkDEC@?8mrx%* x}'t}%~#*k^DEC@?8mk^Am
kAmrC2?6 D2:5 E96C6 2C6 23@FE b_ @7 E96 EC66D :? E96 4:EJ’D :?G6?E@CJ[ H9:49 42E2=@8D 2== EC66D :? 4:EJ C:89E @7 H2JD] %96 EC66D H6C6 2== A=2?E65 367@C6 E96 4:EJ 6?24E65 2? 2AAC@G65 =:DE @7 DEC66E EC66D :? E96 `hg_D] %96J 2C6 ?@E 2AAC@G65 7@C 4@?E6>A@C2CJ A=2?E:?8D[ >2:?=J 3642FD6 E96J 5C@A 4@A:@FD 2>@F?ED @7 7CF:E :? E96 72==]k^Am
kAmp44@C5:?8 E@ E96 4:EJ’D H63D:E6 @? E96 DF3;64E[ E96C6 2C6 23@FE b[ge_ DEC66E EC66D A=2?E65 :? E96 F?56G6=@A65 A@CE:@?D @7 E96 C:89E @7 H2J E92E 2C6 >2:?E2:?65 3J E96 25;246?E AC@A6CEJ @H?6C] x? >@DE @7 E96 @=56C A2CED @7 E@H? E96 C:89E @7 H2J :D g_ 766E H:56] (96? >@DE 42=4F=2E:@?D 2C6 E2<6? :?E@ 67764E[ E96 2G6C286 D6E324< 7C@> E96 D:56H2=< :D `_ E@ `d 766E]k^Am
kAmrC2?6 D2:5 >2?J 9@>6@H?6CD 2C6 D9@4<65 H96? E96J C62=:K6 E92E E96 C:89E @7 H2J 6IE6?5D :?E@ E96:C 7C@?E =2H?D :? E96 5@H?E@H? 2C62] w6 D2:5 E@ E96 36DE @7 9:D <?@H=6586[ E96 4:EJ 92D ?6G6C A=2?E65 EC66D :? C6D:56?E:2= C:89E @7 H2JD]k^Am
kAm“%C66D 369:?5 E96 D:56H2=< 3J 2?5 =2C86[ E9@D6 2C6 A=2?E65 3J 9@>6@H?6CD 2E D@>6 A@:?E :? E:>6[” 96 D2:5]k^Am
kAmrC2?6 D2:5 96 :D ?@E DFC6 @7 E96 ?F>36C @7 EC66D H:E9:? E96 :?G6?E@CJ E92E 2C6 27764E65 3J E96 5:D62D6] w6 D2:5 E92E E96 :?G6?E@CJ :D DAC625 @FE @G6C E@H?[ 2?5 E92E E96 366E=6D >2J 92G6 5:77:4F=EJ EC2G6=:?8 =@?8 5:DE2?46D E@ :?764E @E96C EC66D]k^Am
kAm“%96 366E=6 :ED6=7 :D AC6EEJ D>2==[” 96 D2:5] “x? @C56C 7@C :E E@ 7:?5 2 EC66 @? E96 @E96C D:56 @7 E@H? :E >2J 92G6 2 92C56C E:>6[ H96C62D H96? E96C6 2C6 D6G6C2= EC66D :? 2 C@H :E’D 8@:?8 E@ 36 62D:6C 7@C :E E@ 8@ 7C@> @?6 E@ E96 ?6IE]”k^Am
kAmkDEC@?8m}~ t#psxrp%x~} !{p}k^DEC@?8mk^Am
kAmrC2?6 D2:5 E96 4:EJ 5@6D ?@E 92G6 2 A=2? E@ 6C25:42E6 E96 5:D62D6] ~?6 C62D@? 7@C E9:D :D E96C6 :D ?@ >6E9@5 @7 AC6G6?E:@? <?@H? E@ 4@?E2:? E96 DAC625 @7 E96 5:D62D6] %96 @E96C C62D@? :D E92E >@DE @7 E96 EC66D 2C6 @? AC:G2E6 AC@A6CEJ]k^Am
kAm“%9@D6 2C6 FA E@ E96 AC@A6CEJ @H?6CD E@ >2:?E2:?[” 96 D2:5] “(6 5@ ?@E 8@ @FE 2?5 DAC2J EC66D 2?5 5@ E92E <:?5 @7 DEF77 @? AC:G2E6 AC@A6CEJ] %96 EC66D >2J 36 @? E96 4:EJ C:89E @7 H2J[ 3FE E96J 2C6 FA E@ E96 9@>6@H?6C E@ >2:?E2:?]”k^Am
kAmrC2?6 D2:5 E96 =:>3D E92E 5:6 @77 7C@> E96 5:D62D6 >2J ?@E 36 2D 52?86C@FD 2D E9@D6 7C@> H62<6C\H@@565 EC66D[ 3FE E96J 42? DE:== 36 F?AC65:4E23=6 6DA64:2==J 2D E96J 86E @=56C] q6D:56D 36:?8 F?D:89E=J[ 96 D2:5 :E’D 36DE ?@E E@ E2<6 492?46D]k^Am
kAm“pD 2 86?6C2= CF=6[ :E :D 8@@5 E@ EC:> @FE 5625 =:>3D 7C@> EC66D[” 96 D2:5]k^Am
kAmrC2?6 D2:5 9@>6@H?6CD H9@ 92G6 EC66D E96J E9:?< 2C6 27764E65 D9@F=5 >@?:E@C E96 D:EF2E:@? 2?5 <66A E96> 256BF2E6=J H2E6C65]k^Am
kAm“rF=EFC2= 42C6 :D 2 3:8 E9:?8[” 96 D2:5] “tG6?EF2==J E96 EC66 :ED6=7 >2J 5:6] Ww@>6@H?6CD D9@F=5X 46CE2:?=J =@@< 2E A=2??:?8 29625 E@ C6>@G6 :E ?@H @C =2E6C] xE’D ?@E 2 8@@5 AC@8?@D:D]”k^Am