총 24페이지

The methyl bromide is one of the most widely used fumigant as the
representative quarantine fumigant. It also was used widely as the soil
fumigant due to the insecticide, pasteurization, and weeding effects.
However, it is designated as the substance destroying the ozone layer so
thatitisbeingthrownoutlocallyandoverseas.Methylbromidemaycause
phytotoxicitytoagriculturalproductsandreducesthegerminationpowerof
theseedsothatitisnotsuitabletoseedtreatment.
Hydrogen cyanide was used as the scale insects control chemical in
Californiaforthefirsttime.ItisusedasthequarantinechemicalinJapan
andNewZealand.Itisalsocalledhydrocyanicacidgas.Itisoneofthemost
toxicchemicals,andusedasagenocideweaponduringWWII.Asphyxiation
isinducedbyrestrictingtherespiratorysystemenzymewiththeinsectkilled
bynothavingtheoxygenabsorbedfrombloodnormally.Hydrogencyanide
iswatersolublesothattheinsecticidalpropertyforthewateryplantmaybe
weakorgeneratethephytotoxicity.
The ethyl formate (EF) fumigant is decomposed into ethanol and the
formicacidfastincaseofthecontactwithfoodresultinginlittleresidue.
Theallowableconcentrationis100ppmsothatitisasafesubstance.EFwas
notusedasthefumigantbeforeduetothehighflammability.However,as
the cylinder type with CO2 mixed (16.7%+83.3% CO2) was developed in
2005,itwasregisteredandcommercializedfrom2011inKorea.Itisusedas
thesoilfumigantandtheleafyvegetable,cut-flower,andfruitfumigantsin
Australia.
Thephosphine(PH3)fumigantisalsocalledhydrogenphosphide.Ithas
been widely used in the world to control the storage pest doing harm to
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