Disease Resistance Chart

Scientific name

English common name

Code

Level of Resistance

Albugo candida

White rust

Ac

 

Albugo macrospora

White rust

Am

 

Alternaria brassicae

Black leaf spot

Abe

IR

Alternaria brassicicola

Black leaf spot

Aba

IR

Cauliflower Mosaic Virus

Cauliflower mosaic

CaMV

 

Mycosphaerella brassicicola

Ring spot

Mb

IR

Peronospora parasitica

Downy mildew

Pp

IR

Phoma lingam

Black leg

Pl

 

Phytophthora megasperma

Phytophthora root rot

Pm

 

Plasmodiophora brassicae

Clubroot

Pb

 

Pseudomonas syringae pv. maculicola

Peppery leaf spot

Psm

 

Turnip Mosaic Virus

Turnip mosaic

TuMV

 

Verticillium albo-atrum

Verticillium wilt

Va

IR

Verticillium dahliae

Verticillium wilt

Vd

IR

Verticillium longisporum

Verticillium wilt

Vl

 

Xanthomonas campestris pv. campestris

Black rot

Xcc

IR

HR = highly resistant
IR = intermediate resistant

 

Codes for pest organisms in Cucumber
Scientific name

English common name

code

Level of Resistance

Cladosporium cucumerinum

Scab and gummosis

Ccu

HR

Colletotrichum orbiculare

Anthracnose

Col

 

Corynespora cassiicola

Corynespora blight and
target leaf spot

Cca

HR

Cucumber Mosaic Virus

Cucumber mosaic

CMV

IR

Cucumber Vein Yellowing Virus

Cucumber vein yellowing

CVYV

IR

Cucumber Yellowing Stunting disorder virus

Cucumber Yellowing Stunting disorder virus

CYSDV

IR

Erysiphe cichoracearum

Powdery mildew

Ec

IR

Fusarium oxysporum f.sp. cucumerinum

Fusarium wilt

Foc

 

Papaya Ringspot Virus

Papaya ringspot

PRSV

IR

Pseudomonas syringae pv.lachrymans

Angular leaf spot

Psl

 

Pseudoperonospora cubensis

Downy mildew

Pc

IR

Sphaerotheca fuliginea

Powdery mildew

Sf

IR

Watermelon Mosaic Virus

Watermelon mosaic

WMV

IR

Zucchini Yellow Mosaic Virus

Zucchini yellow

ZYMV

IR

HR = highly resistant
IR = intermediate resistant
     

 

Codes for pest organisms in Lettuce

Scientific name

English common name

code

Level of Resistance

Beet Western Yellows Virus

Yellows

BWYV

IR

Bremia lactucae

Downy mildew

Bl

HR

Cucumber Mosaic Virus

Cucumber mosaic

CMV

IR

Lettuce Big Vein Virus

Big vein

LBVV

IR

Lettuce Mosaic Virus

Lettuce mosaic

LMV

IR

Nasonovia ribisnigri

Lettuce leaf aphid.

Nr

HR

Pemphigus bursarius

Lettuce root aphid

Pb

HR

Rhizomonas suberifaciens

Corky root

Rs

HR

Tomato Spotted Wilt Virus

Spotted wilt

TSWV

IR

Xanthomonas campestris pv. vitians

Bacterial spot

Xcv

 

HR = highly resistant
IR =
intermediate resistant