m onfall < ucumbt th various in i ies. 
All i dust 
1 1 . de 
: 
dosage 
icre 
All 
harv« 
ible 
cue 
acre 
Number Percent Bushels 
, is at 7 
- to 
■ i 
Is) 
Gamn 1 
19 pou 
nds 
10 
. 
18 
37 
13 
P rathion l 
18 
36 
18 
13 
DDT 3 
17 
56 
8 
3 (purified) 
18 
22 
60 
8 
1 plus pyrethrins >th impregnated) 
20 
: 
30 
2 
1 (impregna* 
19 
20 
31 
: 
1 
20 
16 
67 
5 
• olite 50 plus nicotine 1 
18 
23 
51 
9 
50 
20 
19 
56 
7 
hoxychlor 5 
19 
15 
53 
5 
Rotenone 1 
17 
13 
65 
i 
Chlordane 2 
L< ' significant difference at odds of 19:1 
22 
9 
1 -^ 
3 
1 1 . %j 
99:1 
1.1 
1948, K ent 3 (3 applications at 7 -da 3 intervals) 
: Hi ' 1 
d powd< • 
1 powd< 
1 ' rethrins 0, 
i plus • 
■ 
1 plu 1 
1 plus oil-', 2 
oil-* 1 
1 
. 
1 
i mt diff( 
25 
27 
31 
30 
3' 
• 
306 
. 
309 
28 
313 
2« c 
36 
70 
38 
(0 
- 1 . 
. 
69 
56 
63 
63 
51 
1/ 1! 
boll 1 ., 
