Kodi zotsatira ndi ntchito za Tetramethrin ndi Permethrin ndi ziti?

Zonse ziwiripermethrinndicypermethrinndi mankhwala ophera tizilombo. Ntchito zawo ndi zotsatira zake zitha kufotokozedwa motere:

1. Permethrin

1. Njira Yogwirira Ntchito: Permethrin ndi ya gulu la mankhwala ophera tizilombo otchedwa pyrethroid. Amasokoneza kwambiri kayendedwe ka mitsempha ya tizilombo, ndipo imapha tizilombo toyambitsa matenda komanso imagwetsa tizilombo tambiri. Ndi yothandiza kwambiri polimbana ndi tizilombo ta m'nyumba monga udzudzu, ntchentche, ndi mphemvu, koma imapha tizilombo tochepa pang'ono. Nthawi zambiri imagwiritsidwa ntchito pothamangitsa mphemvu.

2. Kuchuluka kwa ntchito: Popeza mphamvu ya permethrin yokha si yofunikira kwambiri, nthawi zambiri imasakanizidwa ndi mankhwala ena ophera tizilombo omwe ali ndi mphamvu yowononga tizilombo komanso poizoni wochepa kwa anthu ndi nyama kuti apange mankhwala opopera kapena opukutira, ndipo imagwiritsidwa ntchito kwambiri m'mabanja ndi m'magawo azaumoyo.

3. Kuopsa: Permethrin ndi mankhwala ophera tizilombo omwe samayambitsa poizoni wambiri. Malinga ndi zomwe zapezeka mu kafukufuku wa nyama, LD50 ya pakamwa yoopsa ya makoswe ndi 5200mg/kg, ndipo LD50 ya pakhungu yoopsa ndi yoposa 5000mg/kg, zomwe zikusonyeza kuti poizoni wake mkamwa ndi pakhungu ndi wochepa. Kuphatikiza apo, alibe mphamvu yoyabwa pakhungu ndi maso, ndipo palibe zotsatira za khansa kapena kusintha kwa thupi zomwe zapezeka pakubereka makoswe kwa nthawi yayitali. Komabe, ili ndi poizoni wambiri kwa njuchi ndi nyongolotsi za silika.

2. Cypermethrin

1. Njira Yogwirira Ntchito: Cypermethrin ndi mankhwala ophera tizilombo omwe sawononga kwambiri tizilombo toyambitsa matenda omwe ali ndi poizoni wochepa m'mimba komanso m'mimba. Amapha tizilombo toyambitsa matenda mwa kusokoneza kayendedwe ka mitsempha ya tizilombo ndipo ali ndi mphamvu yogwetsa tizilombo komanso kupha mwachangu.

2. Kugwiritsa Ntchito: Cypermethrin imagwiritsidwa ntchito kwambiri m'munda waulimi ndipo ingagwiritsidwe ntchito poletsa tizilombo towononga mbewu zosiyanasiyana monga ndiwo zamasamba, tiyi, mitengo ya zipatso, ndi thonje, monga mbozi za kabichi, nsabwe za m'masamba, nyongolotsi za thonje, ndi zina zotero. Nthawi yomweyo, imagwiranso ntchito bwino pa tizilombo ta m'nyumba monga udzudzu, ntchentche, utitiri, ndi mphemvu.

3. Kuopsa: Ngakhale kuti cypermethrin ndi mankhwala ophera tizilombo omwe sawononga kwambiri, muyenera kusamala mukamagwiritsa ntchito. Ngati mwangozi mwapopera pakhungu, muyenera kuitsuka ndi sopo nthawi yake; ngati mwangozi mwaimeza, ingayambitse zizindikiro za poizoni monga kusanza, kupweteka m'mimba, ndi kutsegula m'mimba. Chifukwa chake, mukagwiritsa ntchito cypermethrin, muyenera kutsatira malamulo ofunikira otetezera ndipo iyenera kusungidwa bwino kuti mupewe ngozi.

Mwachidule, permethrin ndi cypermethrin ndi mankhwala ophera tizilombo omwe ali ndi poizoni wochepa omwe amagwiritsidwa ntchito kwambiri. Mukamawagwiritsa ntchito, ndikofunikira kusankha mankhwala oyenera malinga ndi zosowa ndi zochitika zinazake, ndikutsatira malamulo oyenera okhudza chitetezo.