Table 8.  Summary of data obtained independently in the laboratories

in the U.K. and in the Czech Republic

 

Isolate No.

% Leaf area

 infected on mlo- relative to Mlo-segments (UK)

 Colony number

on  mlo- relative to

Mlo-segments (%)

(CR)

partially mlo-virulent CR field isolates

PV 3

5.9

10.6

PV 4

2.4

11.6

PV 26

4.4

7.6

PV 32

2.9

16.3

mean

3.12

11.5

partially mlo-virulent UK field isolates

PV 41

2.7

11.4

PV 42

9.8

13.6

PV 43

7.9

4.7

PV 44

3.7

3.2

mean

4.82

8.2

Control isolates

PV 1

30.2

47.1

PV 47

-

0.90

CC/1

< 0.1

-