34 
Colorado Experiment Station 
TABLE VI—Continued 
Observations on 25 Field Pea Plants on the Ranch of W, F. Ulray, 
Center, Colorado, June 12 to June 24, 1915 
1 
Plant No. 
Date of Observation: 
June 12, 1915. 
June 17, 1915. 
June 24, 1915. 
14. 
In reality 2 plants, 
red and white stem; 
disease just show¬ 
ing. 
Red vine—3 shoots: 
1 dead, 1 healthy, 
1 infected on 6th 
internode; no 
growth. 
White vine, traces 
just showing on 
petiole of bottom 
leaf; 1 in. growth. 
Red vine—2 shoots 
growing, 2^/4 in. 
White plant — no 
spread of disease; 
4-in. growth. 
15. 
• 
. 
Three shoots, slight 
traces. 
One shoot dead, 2nd 
small, badly in¬ 
fected, 3d with 
traces on 3d and 
4th in ternode; 
branch at 4th node 
diseased; growth 3 
in. 
Second, dead; 3d, 
has grown 6 in., 
disease on 4th in¬ 
ternode inactive. 
16. 
Normal. 
Slight leaf infection 
on leaves at base; 
growth, 2 y 2 in. 
Disease has not 
spread; growth 2 
in. 
17. 
! 
1 
1 
i 
1 
Two diseased plants. 
South plant diseased 
and watery to 9th 
node, new shoot 
starting, no growth. 
North plant, 4 
branches: 1 dead, 1 
badly affected, 2 
normal; no growth 
Red stem. 
Original plants 
dead; 1 new shoot 
8 in. 
18. 
Clump of small yel¬ 
low shoots; badly 
diseased; nearly 
gone. 
Practically dead; 
new shoots coming. 
Original plants 
dead, 1 new shoot 
8 in. 
19. 
1 
1 
1 
West plant dis¬ 
eased; east normal. 
West plant, petiole 
at 4th node af¬ 
fected, growth 1 in. 
East plant, slight 
infection on 1 
branch, 3 healthy 
shoots; growth 2 
in. 
Disease has spread 
to entire plants, 
growth in. 
