He aha nā hopena a me nā hana o Tetramethrin a me Permethrin?

ʻeluapermethrinacypermethrinhe mau insecticides. Hiki ke hōʻuluʻulu ʻia kā lākou mau hana a me nā hopena penei:

1. Permethrin

1. Mechanism of action: No ka pyrethroid class of insecticides ka Permethrin. Hoʻopilikia nui ia i ka ʻōnaehana neʻe o ka naʻau, loaʻa ka hopena pepehi kanaka a me ka hopena knockdown ikaika. He mea maikaʻi loa ia e kūʻē i nā mea ʻino o ka hale e like me ka namu, nā nalo, a me nā moʻo, akā ʻoi aku ka maikaʻi o ka pepehi ʻana i nā moho. Hoʻohana pinepine ʻia no ka hoʻihoʻi ʻana.

2. Ka nui o ka noi: No ka mea, ʻaʻole nui ka hopena o ka permethrin wale nō, ua hui pū ʻia me nā insecticides ʻē aʻe me ka mana insecticidal ikaika a me ka haʻahaʻa haʻahaʻa i nā kānaka a me nā holoholona e hana i nā mea hoʻoheheʻe a i ʻole aerosol, a hoʻohana nui ʻia i nā hale a me nā kula olakino lehulehu.

3. Ka 'awa'awa: 'O ka Permethrin he mea lā'au make ha'aha'a. Wahi a nā ʻikepili hoʻokolohua holoholona, ​​ʻo ka LD50 waha o nā ʻiole he 5200mg/kg, a ʻoi aku ka nui o ka LD50 dermal acute ma mua o 5000mg/kg, e hōʻike ana he haʻahaʻa haʻahaʻa kona kino waha a me ka dermal. Eia kekahi, ʻaʻohe hopena hoʻonāukiuki i ka ʻili a me nā maka, ʻaʻohe hopena carcinogenic a mutagenic paha i loaʻa i ka hānau ʻana o nā ʻiole lōʻihi. Eia nō naʻe, he mea ʻona nui ia i ka nalo meli a me nā ʻano silika.

2. Cypermethrin

1. Mechanism of action: Cypermethrin is also a low-toxic insecticide with both contact a me nā hopena ʻawaʻawa o ka ʻōpū. Pepehi ia i nā pests ma ke keʻakeʻa ʻana i ka ʻōnaehana neʻe ʻana o ka naʻau a loaʻa ka hopena kuʻi ikaika a me ka wikiwiki o ka pepehi ʻana.

2. Ka palena o ka noi: Cypermethrin ua hoʻohana nui ʻia i ka māla mahiʻai a hiki ke hoʻohana ʻia no ka mālama ʻana i nā pests ma nā mea kanu like ʻole e like me nā mea kanu, kī, nā lāʻau huaʻai, a me ka pulupulu, e like me ka caterpillars cabbage, aphids, cotton bollworms, etc.

3. Ka 'awa'awa: 'Oiai he lā'au make ha'aha'a ka cypermethrin, pono e mālama 'ia i ka wā o ka ho'ohana 'ana. Inā hoʻopio ʻia ma ka ʻili o ka ʻili, pono e holoi ʻia me ke kopa i ka manawa; inā komo wale ʻia, hiki ke hōʻeha i nā hōʻailona make e like me ka luaʻi ʻana, ka ʻeha o ka ʻōpū, a me ka ʻōpū. No laila, i ka wā e hoʻohana ai i ka cypermethrin, pono e hahai i nā lula palekana kūpono a pono e mālama pono ʻia e pale i nā pōʻino.

I ka hōʻuluʻulu manaʻo, ʻo ka permethrin a me ka cypermethrin he mau lāʻau make haʻahaʻa haʻahaʻa me ka laulā o ka hoʻohana ʻana. I ka hoʻohana ʻana iā lākou, pono e koho i ka insecticide kūpono e like me nā pono kikoʻī a me nā hiʻohiʻona, a hahai i nā lula hana palekana kūpono.