Neonicotinoidsyog ib chav kawm ntawm kev siv tshuaj tua kab mob neurotoxic.Lawv yog cov khoom siv hluavtaws ntawm cov tshuaj nicotine uas tua cov kab tsuag feem ntau los ntawm kev cuam tshuam rau hauv nruab nrab paj hlwb ntawm kab.
Yuav ua li cas neonicotinoids ua haujlwm
Neonicotinoid tshuaj tua kabua hauj lwm los ntawm kev khi rau nicotinic acetylcholine receptors (nAChRs) nyob rau hauv kab hauv nruab nrab lub paj hlwb, ua rau muaj kev ntxhov siab ntau dhau ntawm lub paj hlwb thiab thaum kawg tuag tes tuag taw thiab tuag.Vim tias qhov tsis tshua muaj kev faib tawm ntawm cov receptors no hauv tib neeg thiab lwm yam tsiaj, cov tshuaj tua kab neonicotinoid tsis muaj tshuaj lom rau tib neeg thiab lwm yam kab mob uas tsis yog hom phiaj.
Kab tsuag tsom los ntawm neonicotinoid insecticides
Neonicotinoid insecticides tsom ntau yam kab tsuag ua liaj ua teb suav nrog, tab sis tsis txwv rau, aphids, zuam, leafhoppers, whiteflies, flea beetles, golden beetles, thiab lwm yam kab kab.Cov kab no feem ntau ua rau muaj kev puas tsuaj loj rau cov qoob loo, cuam tshuam rau kev ua liaj ua teb thiab kev lag luam zoo
Taw qhia ntawm cov tshuaj tua kab loj neonicotinoid
1. Acetamiprid
Qhov zoo:
Ua tau zoo thiab dav-spectrum: Nws muaj kev tswj xyuas zoo rau ntau hom kab mob ntawm qhov ncauj xws li aphids thiab whiteflies.
Tsawg toxicity: tsawg toxicity rau tib neeg thiab tsiaj txhu, kuj zoo rau ib puag ncig.
Muaj zog permeability: nws tuaj yeem nkag mus rau sab hauv ntawm cov nroj tsuag thiab muaj lub sijhawm ua haujlwm ntev.
Daim ntawv thov:
Feem ntau yog siv los tswj cov kab tsuag ntawm zaub, txiv hmab txiv ntoo, luam yeeb, paj rwb thiab lwm yam qoob loo.
2. Clothianidin
Qhov zoo:
Hwj chim: nws muaj txiaj ntsig zoo rau ntau hom kab tsuag uas nyuaj rau tswj, xws li Japanese kab, pob kws rootworm, thiab lwm yam.
Ntev persistence: Nws muaj ib tug ntev persistence lub sij hawm nyob rau hauv cov av thiab yog haum rau siv raws li ib tug kho av neeg sawv cev.
Environmental stability: ntau ruaj khov nyob rau hauv ib puag ncig, tsis yooj yim rau decompose.
Daim ntawv thov:
Feem ntau siv rau hauv pob kws, taum pauv, qos yaj ywm thiab lwm yam qoob loo, nrog rau qee cov nroj tsuag vaj.
3. Dinotefuran
Qhov zoo:
Rapid: Nws muaj cov nyhuv tua sai thiab tuaj yeem tswj tau qhov kis kab mob sai.
Broad-spectrum: Nws muaj txiaj ntsig zoo tiv thaiv ntau yam kab tsuag, suav nrog nqus lub qhov ncauj thiab zom qhov ncauj.
Zoo solubility: dissolves zoo nyob rau hauv dej, ua rau nws haum rau tshuaj tsuag thiab kho av.
Daim ntawv thov:
Feem ntau siv los tswj aphids, whiteflies, leafhoppers thiab lwm yam kab tsuag ntawm zaub, txiv hmab txiv ntoo, paj thiab lwm yam qoob loo.
4. Cov tshuaj imidacloprid
Qhov zoo:
Siv dav: nws yog ib qho ntawm cov tshuaj tua kab neonicotinoid feem ntau siv.
Ua tau zoo heev: tshwj xeeb tshaj yog zoo tiv thaiv kab mob hauv qhov ncauj xws li aphids, whiteflies, leafhoppers, thiab lwm yam.
Multi-purpose: tuaj yeem siv rau kev kho av, kho cov noob thiab tshuaj tsuag foliar.
Daim ntawv thov:
Dav siv nyob rau hauv cov zaub mov qoob loo, txiv hmab txiv ntoo ntoo, zaub, paj thiab hav zoov nroj tsuag.
5. Thiamethoxam
Qhov zoo:
Dav spectrum: tswj tau zoo ntawm ntau hom kab tsuag, suav nrog aphids, whiteflies, flea beetles, thiab lwm yam.
Systemic: absorbed los ntawm cov nroj tsuag thiab ua rau txhua qhov chaw ntawm cov nroj tsuag, muab kev tiv thaiv zoo.
Tsawg toxicity: muaj kev nyab xeeb dua rau ib puag ncig thiab cov kab mob uas tsis yog hom phiaj.
Daim ntawv thov:
Feem ntau yog siv los tswj cov kab tsuag ntawm cov qoob loo xws li pob kws, nplej, paj rwb, qos yaj ywm thiab zaub.
Neonicotinoid insecticides tau dhau los ua ib qho tseem ceeb ntawm cov tshuaj tua kab hauv kev ua liaj ua teb niaj hnub vim lawv cov kev ua haujlwm siab, tsis muaj tshuaj lom thiab dav dav.Txawm hais tias lawv muaj kev tswj xyuas qhov tseem ceeb ntawm cov kab tsuag, muaj qee qhov kev pheej hmoo ntawm ib puag ncig thiab ecological, xws li muaj peev xwm ua rau muaj txiaj ntsig zoo rau kab xws li muv.Yog li ntawd, thaum siv cov tshuaj tua kab no, yuav tsum tau them nyiaj rau kev tshawb fawb thiab kev siv cov txheej txheem kom txo tau qhov tsis zoo ntawm ib puag ncig ecological.
Post lub sij hawm: Jun-04-2024