6 BULLETIN 1313, U. S. DEPARTMENT OF AGRICULTURE 
TABLE 1.—Resulis of fumigation tests on weevils in glass flasks at room temperature 
(21° to 82° C.)\—Continued 
Concentration | Weevils killed after exposure 
offumigant for 24 hours ‘ 
Tem- [<<< ———— 
Test No. ise Fumigant Molar | Pounds s re : 
ure per- per : ‘ ribo- é 
cent- | 1,000 | oryza ae lium Plodia 
age cu. ft. 
ALCOHOLS AND PHE- 
NOLS: JC: Seah WW Jena || Jeo || 223 Gh 
pay: WATE Ia ae I 28.5 ee alcohols 22) =saaes 16.00 | 14.28 100 100 100 100 
ZOU ARAB Ro: eas aa 2825 Oia AE) he shal ee 1. 00 8 0 0 0 0 
NS Dia oun nace Uses 29NO)| Sea ao SA ea oe 2. 00 1.79 0 0 0 0 
TG fais Hs aaa SON On| Aaa CQ a SEE ane 4. 50 4. 02 30 15 5 10 
CALS RET ee 30.5 | Ethylalcohol__-___ oe 8.00 | 10.27 0 0 0 15 
Dil CP eA Se oriole 30. 5 | m-Propylalcohol__________ 3. 50 5. 86 100 GOS aa 100 
(RISO A TE ets 3290) eae CLO SR ot 1.70 2. 85 96 50 100 100 
1 EY DS ee te ie? 298 0F Rea Go Site ha eS ss ee 1. 70 2. 85 100 100 100 100 
LY (A SS Ae a le SOYOn eae COM es ees oe 1. 50 2. 51 20 0 15 85 
tH) ROE aU A Be 30. 0 | n-Buty lalcohol__________- 1.70 3. 51 100 60 100 100 
DO nak eG A ee 31.0 | Isoamylalcohol___________ . 80 1. 96 100 LOOK eases 80 
LAD i eee 290k. GO RE 77 1.89 80 60 100 100 
1 Ve SS ae BORON Pee == Gost Se Sk oS ae 33 81 0 0 0 0 
PES oh NR Lene SOSOE ees GOsRE aio. TCC a ee 20 49 0 0 0 
Cie ye Da Sao eetly BA 285) | eGeraniola=. _) seh ae 10 43 10 0 0 0 
ON CEO 30; 5 Mientholos: 2) ile See 08 35 0 0 0 80 
AG. LRN Ee SOLO hiya ol sees ee ree ee 09 38 0 0 0 0 
ALDEHYDES 
(<7 AB SM ay 28.5 | Chloral hydrate__________- . 20 92 20 0 0 0 
2895 E rikee 2 25.0 | n-Butyraldehyde_________ 11.15 | 22.40 100 100 JOO} | {eae ome 
7407) GP Vk al 3 25 One GOL ae 7 vee ie 9. 46 19. 00 100 ~ 100 LOO: | oat eee 
PALS out Mena he 2650nee adore aie. LG ee Onoo peal 100 100 OO} | 2222 es 
Pa HO fog sp Pl) |p ss C6 KC yee or ane aE Coens See 6. 57 0 0 100.) 28s. 2 50 
aaa Totes MMe SSN GaP DAO Meenas CO ee Be A hel Ree 2. 59 5. 20 0 0 90) sexes 
AGA TEN 24.0 ny ooualeebyde Lh 5 Me 4. 00 7. 81 10082 2egh LOO! | Hoek as 
AGG Poke Te PEM Did Lerelests 0 (ce cS oan TS 2. 00 3.91 POO ooo LOO eames ee 
AGS oR RSA Soe ee PHN) |e de SEE) 2 SAG A So a 1. 30 2. 54 LOO! | 222 che LOO.) sah oS 8 
AT OARS Ins eae TA: SNS saree OSes. cg BV i CEE . 50 98 LOO: |: 22 ae Of ea See 
C7 Mas ok Dai SS PRY (eee dose 21 Mesba aa . 60 1G A¢/ LOO |! ey TOO! 2 <8 
C257 a Sh a I Pe (0) |e ee GOs eo. EIR se ee 50 98 100s eee CON ee Be 
UG. UAE, es a 30sou swurturaleee. Ul Bee ee 80 2.14 100 LOO We eal 20 
(SARS WA eam or 31.0 | Benzaldehyde_.__-_-_____- IA 80 100 100 55 75 
KETONES 
Oo ytkes a ar NE 28:0) PPA CeCONe! 28 an enka 15.00 | 24. 27 100 100 100 100 
UPA Sepa piar t8 Poh. Alsace C0) sa he eels J 2. 00 3. 24 5 10 10 0 
TS Bt hon ii a Nhe Fey 1) Ween Goss 0th «oo Sa 4.10 6. 63 95 100 15 25 
1% ce RO AOL () jee Cotenees ih GM ian 8. 20 13. 27 100 100 100 100 
219 EPC 24.0 | Chloroacetone___________-_ 1. 53 3. 94 100 100 LOOM eee Sou 
220 BEE ikea 23 Ou GO eee, ANS oo ae 70 1. 80 100 100 JOO meee rs 
PED Yee AND PH (0) pap CO eee 1 MR Ss 42 1. 08 100 100 OO pete oe! 
DAB UNAS ea ns ee es 26:10) 222 Gomeese tA a IP) BYE 0 0 Osa Weae ie 
2QESav ek hacen Po (O) |e mee do ie k oS ee 42 1. 08 100 1006 OO: 22bie ue 
HAD tied eee dee Don O ee Omer 2 na oo ae . 26 . 67 100 100 LO0s/seee 
SQ LEU REY Us ee 23. 0 ithgt methyl ketone_____ 15.00} 30.13 100 100 100 100 
SILK Qe na ee eee DON One. Cl Oe ia LV A ee oke 13.30} 26. 72 100 100 100 100 
ARTY es oeamagt d 29 On eee ae Weta. CSO. 7. 20 14, 46 100 100 100 100 
TV. (Es Min ST Meo Scat BORO} ewes (6 [aS ante MN th Op 3. 40 6. 83 100 70 100 80 
LS VS i RE et SOTO aes dosere = EY aaa ae 1. 80 3. 62 100 80 100 0 
SOA rer ae 25.0 | Mesityl oxide__._________- 1. 53 4.18 100 100 LOOg eee es 
SOO HRS L foams PHB, 0) {fae OAS) Shi at 1. 42 3. 88 100 100 LOOU Saar os 
BYE RN Oe Richa abs 21h 0) | aaa Gos oE as) 7 ae . 39 1. 07 0 Ovi = OF ee 
ay aes heal ear RN Ne DONOR meses OSes ENS ae 55 1. 50 100 50 Oi eee ek 
SD eer rain as ee ZaNOn ees dose) Vil ea) . 60 1. 64 100 100 Oj. Seater ae 
FON) ni eas lea ats 31.0 | Acetophenone.____________ . 16 . 54 100 45 0 50 
GEER aie ae 30. 0 |) Chloroacetophenone (5 per 3,10 - 43 LOO: oe 2s Se eae 100 
TIGA 2 & Eels pee 30. 0 cent) in carbon tetra- 3,01 . 04 0 Oller 0 
6Si ae ae Pe 30. 5 chloride (95 per cent). 3,17 73 0 0 0 5 
ESTERS 
Oe (ek crak Magee oa ee 26. 8 Methy, formatel-_ 22) iaeme 56.00 | 93.71 100 100 100} qr ae 
PAPAIN, EAD eae A 208 Ours 2G Oise 2 ENA a 20. 37 34. 09 100 100 1007) seth 
DRY Gs) Ute Raley ght OP aya eee do asd Mh co NS MO 11. 62 19. 44 100 100 TOO oes Rate 
DAN ES es AE Donte PaaS {5} Wey dostaus saris ae 6. 35 10. 63 100 100 AM OD ese Be Nae 
2 a tay a teh 2080) eee Ones a 4, 54 7. 60 100 100 LOO; SRS 
260 eo kooe 205 ON doseeete ie es i 3. 64 6. 09 100 100 TOO} Sate ae 
O77 fils ess tial a DA joe dose. Vath ae 3. 64 6. 09 0 0 Onl seen oe 
Dad PAS, lh Nel ie PPes b5) | ee (GY 0) te ale eres 4.10 6. 86 100 100 1005 |S aac 
fey a ee a Ye), ae GO ee 2. 65 4. 43 100 100 TOOR sees 
474A, 475A_____- DAS One GOS oe. es aa 3. 50 5. 86 TOO}: Sees NOOR Hees 
AIGA S25. 3. ee Ay |e GOse Ih Se 2. 00 3.35 LOO) eee TOO | Sse 
SOG Ree ey es 24s Opec a io eas NTR RMN 1.30 2.18 TOO; (ee LOOM eee ee 
Li Of fle Si tere en NE 24S Oe Oka a Rs . 90 1. 51 LOO ME see OOS ISEES ee 
Pies lk Eo i ae Rane eh 24. 3 Ethy) formate: ee 20.37 | 42.05 100 100 1003) 222242 
ZSG ns sees eset 245 Dee Oa eS ae 22.41 | 46. 26 100 100 TOOT se ee 
SiG es eye sa er 26. o ya se GO oe 15.04 | 31.04 100 100 100 eee 
SOO IN ee EIS 2AKOi eee GO Swen Panes 2 Le 10.00! 20.64 100 100 100 he see eeee 
3 Concentration of chloroacetophenone only. 
