Deltamethrin

Bayanin samfur

Deltamethrin(Tsarin kwayoyin C22H19Br2NO3, ma'aunin ma'auni 505.24) fari ne mai siffa mai siffa mai mahimmanci tare da ma'anar narkewa na 101 ~ 102 ° C da wurin tafasa na 300 ° C. Yana kusan rashin narkewa a cikin ruwa a cikin zafin jiki kuma yana narkewa a yawancin kaushi na kwayoyin halitta. Ingantacciyar kwanciyar hankali ga haske da iska. Ya fi kwanciyar hankali a matsakaicin acidic, amma maras ƙarfi a matsakaicin alkaline.

Deltamethrin shine mafi yawan guba na maganin kwari na pyrethroid. Ya ninka sau 100 mai guba ga kwari kamar DDT, sau 80 fiye da carbaryl, sau 550 fiye da malathion, kuma 40 kamar parathion. Lokaci Yana yana da lamba kisa da ciki guba sakamako, m lamba kisa sakamako, karfi knockdown karfi, babu fumigation da tsarin tsarin, da m sakamako a kan wasu kwari a babban taro. Tsawon lokaci (7-12 days). Formulated zuwa emulsifiable maida hankali ko wettable foda, shi ne matsakaicin kwari. Yana da nau'in nau'in kwari mai fadi kuma yana da tasiri akan nau'ikan kwari iri-iri kamar Lepidoptera, Orthoptera, Thysanoptera, Hemiptera, Diptera, Coleoptera, da dai sauransu, amma yana da ƙarancin iko akan mites, sikelin kwari, da kwari. Ko kuma ba shi da tasiri, kuma zai tada haifuwar mites. Lokacin da kwari da mites suke tare, ya kamata a haxa su da acaricides na musamman.

Deltamethrin yana cikin nau'in guba. Alamun fata na iya haifar da haushi da jajayen papules. A cikin guba mai tsanani, lokuta masu laushi na iya samun ciwon kai, dizziness, tashin zuciya, amai, asarar ci, da gajiya, kuma lokuta masu tsanani na iya samun tsokanar tsoka da tashin hankali. Yana da tasiri mai ban sha'awa akan fatar ɗan adam da ƙwayoyin mucous na ido, kuma yana da guba sosai ga kifi da ƙudan zuma. Kwarin da ke da juriya ga DDT suna da juriya ga deltamethrin.