Table XI .—Relation between tuber weight , net-necrosis , and leafroll infection at the time of planting 
70 
Journal of Agricultural Research 
Vol. XXI, No. i 
0 
i 
Percentage of leafroll tubers weighing— 
•saauno 11 0; z j 
00 * f 
m • 
•saauno 01 o* z 
in 
00 
N to 
in m 
•saauno 6 0} z 
in 
00 
N in 
in m 
•saauno gojz 
in 
00 
r>* in 
in h 
•saauno 4 0} z 
in 
00 
vO 
in h 
•saauno 9 0} z 
vO 
00 
in h 
•saauno So^z 
rS? 
00 
in 00 
in h 
•saauno V o} z 
M 
00 
5 s 
•saauno f ojr 
00 
t- 
to et 
to H 
•saauno z 
On 
O 0 
to 
Percentage of net-necrosis tubers weighing— 
•saauno no^t 
Os • 
to 
•saauno 01 0} z 
M 
O 
h tn 
tT h 
•saauno 6 0; e 
£ 
H tO 
M 
•saauno 8 0} z 
Os OS 
to to 
H tO 
tf H 
•saauno 4 0; z 
tOOO 0 
« ifl vO 
S 2- 
•saanno 9 oj z 
moo Q 
« to »0 
? ? 
•saauno S oj z 
to O 
N to tO 
Os to 
to H 
•saatmo V 0} z 
to fO « 0 to w 
« «o tO Ot tO H 
•saauno £ o* z 
rfO to to « ft 
W tfr so Os et M 
•saauno z 
t' to 00 -tf 0 0 
« rf so Os 01 
Total number of tubers weighing— 
•saauno 11 0} z 
00 • 
to 
•saauno 01 0; z 
• c* 
I 0 
0 
to 
•saauno 6 0} z 
• w 
; 0 
t" Os 
to to 
•saauno 8 0} z 
• Os 't 
• Os so 
C\ 
CO fO 
•saauno 4 o* z 
O t-i to 
to Os SO 
f' 
to to 
•saauno 9 oj z 
Os 'T to 
N 00 so 
to SO 
to to 
•saauno So)z 
M to 
O P- so 
to 
to to 
•saauno t o* z 
M 00 N t'. 
m to so ot ct et 
M 
•saauno £ 0} z 
Os P- Os m 00 t'. 
O to TT Ct H M 
•saauno z 
O toso O SO 
M Ct M H 
6 \ 
M 
OS 
Conditions. 
Net-necrosis and leafroll... 
3 per cent leafroll, between 
net-necrosis leafroll hills. 
Net-necrosis and leafroll... 
Ho 
Healthy next to leafroll 
hills in same row. 
Healthy near leafroll hills 
in same row. 
Sublot 
No. 
N H H H fO 
H 
Lot 
No. 
w so 00 Os 00 00 
H (1 to to Sf 
“ Ul l 
