FUMIGATION AGAINST GRAIN WEEVILS 
9 
TaBLE 1.—Results of fumigation tests on weevils in glass flasks at room temperature 
(21° to 32° C.)—Continued 
Test No. 
MISCELLANEOUS NI- 
TROGENOUS COM- 
POUNDS: 
Weevils killed after exposure 
for 24 hours 
| a a, |S 
Tem- 
pera- Fumigant 
ture 
bas OF 
24.0 | n-Butyl nitrite___.________ 
2A: Opts s=8 Ore RES ee bom 2 
2A: OF seo 24 5G [Ge TR Ss A SR a Ranede 
25 OF a2 6 (0) tS le 
25 ON Qa ai re nm ars 
25:0) 2-2 OG ee ee ay a Ea 
2A4-O} yen GQ hee Tie SOIR nn =o 
2AIO Sen 0 Oe a 
24.0 fa (Oka hs e A e ee aeee 
26.0 | Isoamy] nitrite___._______- 
26:0) 2-223 Qe Tee sae Bs = 
Je Fils sose GU? yas Es 
2A O) |S GOS a a es Be, 
24. Oo 222 Gi) ea ee Eas 
24-0) |= C0 open ghee ae 
ZA.0 a Que a rete Sg) 
26508 OUD Sa fy ee eS ee 
24 Oy OKC ee aap ce Se 
20.0) (== GED pip a ee pea es Re ee 
20: O) Gree 2 ree eee A = 
Jae OF a Os Set ee ee Fes 
AF Olena 1G (Ti a al Ele 
77a eee Qe a ee ee 
23.5 | Nitromethane_________-__- 
725 at) (ears GD pa a hE Os Racers! 
26: 5 to COS ere ae 
DASH Ae Gees 2 pe 
24.0 |_____ CL eS ERS 
28.51 N apebenzene Ae ee pee 
leg esate] Oe ee re er 
30. 0 pGulorninebervene ne 
31.0 | m-Dinitrobenzene ____-___- 
28.5 | a-Nitronaphthalene -__-_-- 
24.0 | Diethylamine_-__-._..-_-_- 
ZA OSS (Gnas) Se oe ee 
26. 0 = CQ see reas 8 
20. ON C1 ey ee ON 
PAL GI eect CR ee She > — 4 
ZABO i= Qu nete See eee Sots 
25: Oi * 1G ree es et 
26: OW = DO ge sacs a) a rao a 
26: 04| eee ass 6 8a = = 4 
26.0} n-Butylamine __________--- 
26 Oyen Ott Fae eee * 
27.0} AG Se ee 
2D A Que eee ae 
25:5 4| = OL0 est tey ohlee n pmeiae 
24-03-52 Eee ae Sen SS a 
24. Os ee 
er aA VITO tee Ws eee 
29.0 | Methylaniline____-_..____- 
30. 0 | Dimethylaniline-_--______- 
30. 0 | Ethylbenzylaniline_______- 
30. 5 | Acetphenylenediamine--_- 
28.5 | a-Naphthylamine-..-_____- 
SO Oe yTiGIne. 2.2 2 2s ke 
31. Oe = Omer ee es Fee 
29 Oiler = = GG) ca Se Rk a 
29" On same. meme Fo 
29. Oe! CQ ee Se I sa penn 
30. 5 | Hexamethylenetetramine-- 
23. 5 || Carbon dioxide = _—. -.._-_= 
PACH eae Qe ee eee eS 
77: Hn ee ae GOe eee eee eS eee 
DAS Sapte 23 Ose ASR to 8 
7 Sats oh ees (Di a ee 
5: Bh te ry et SEEDS ee 
Ze deed Sat ane ner a (0 yh ete a ee ee 
29.0 ens chloride: == 422><- 
Concentration 
of fumigant 
Molar | Pounds 
per- per 
cent- 1,000 
age cu. ft. 
S071 26: 15 
4.30 | 12.36 
2. 20 6. 32 
1. 60 4. 60 
1.10 3. 16 
1.00 2. 87 
. 60 1.72 
60 ae, 
. 30 . 86 
4.70 15. 34 
4.84] 15.80 
2. 36 7. 70 
1. 46 4.77 
1. 02 3. 33 
1.13 3. 69 
1. 40 4.57 
1.10 3. 59 
. 80 2. 61 
1. 20 3. 92 
. 80 2. 61 
. 70 2. 28 
- 60 1. 96 
. 80 2. 61 
4,35 7. 40 
4.59 7.81 
SAV 6. 07 
127 2.16 
1. 03 ead 
.10 . 34 
174 41 
5f2 soe 
. 28 1.31 
- 10 . 48 
20.60 | 41.98 
11.80 | 24.04 
5. 80 11. 82 
2. 60 5. 30 
1.10 2. 24 
- 90 1. 83 
- 50 1. 02 
. 80 1. 63 
. 50 1. 02 
10.20} 20.78 
5.30] 10.80 
2. 80 7A 
1.30 2. 65 
. 60 1. 22 
. 30 -61 
. 20 At 
1.89 4,90 
ts -39 
= 15 ool 
- 03 .18 
07 - 29 
. 016 - 06 
1. 69 3.72 
. 84 1.85 
Betig oBY/ 
.39 . 86 
- 83 1. 83 
- 002 . 008 
100. 00 | 122. 64 
100. 00 | 122. 64 
50. 00 61. 32 
33.00 | 40.47 
50.00 | 61.32 
50.00] 61.32 
50.00 | 61.32 
5.00] 16.58 
4. 50 14. 92 
100 100 
15685°—25;——2 
