Appendix 4:  COMMENT CODES FOR TABLE B

AC=air cracks

BR=bruise

CPB=colorado potato beetle

CS=common scab

CT=chain tubers

DAE=deep apical eyes

DSA=deep stolen end

EB=early blight

ECB= European corn borer

EL= enlarged lenticels

FS=fusarium wilt

GC=growth cracks

HI= herbicide injury

HS=heat sprouts;

IL=infected lenticels

LB=late blight

LHD=leaf hopper damage

MS=misshaped tubers

PE=pink eye

PR=pink rot

PLRV=potato leaf roll virus

PTS=very pointed tubers

PS=powdery scab

PVA, PVX, PVY=potato viruses A, X, Y

RF=red flesh (RF scale: 1=light red to 3=dark red)

RZ=Rhizoctonia

SEB=stem end browning

SG=secondary growth

SIS=silver scurf

SKN=skins

SS=sun scald

SR=soft rot

STST=sticky stolens

TSWV=Tomato Spotted Wilt Virus

VW=Verticillium wilt

WSTD=weak stand

WW=wire worm

YF=yellow flesh (YF scale: 1=light yellow to 3=dark yellow)

Note: ^ before code indicates high levels