Piercing-sucking pests xws li aphids, whiteflies, thrips, thiab leafhoppers reproduces sai thiab overlap tiam tiag tiag. Lawv feem ntau ua mob rau sab nraub qaum ntawm nplooj. Foliar txau yog qhov nyuaj rau kev tswj kom tiav. Ntau tus neeg ua haujlwm thiab cov khoom siv feem ntau tau nqis peev, tab sis kev tswj hwm tseem tsis txaus siab.Thiamethoxamyog ib qho tshuaj tua kab zoo heev. Nws tuaj yeem tsis tsuas yog siv los tswj cov kab-nqus cov kab tsuag xws li aphids, thrips, planthoppers, thiab whiteflies, tab sis kuj tswj weevils, nees nkaum yim-spotted ladybugs, grubs thiab lwm yam kab tsuag. Nws tuaj yeem siv tsis tau tsuas yog rau kev txau, tab sis kuj rau kev kho av thiab lwm yam kev siv. Cov nyhuv ntawm cov tshuaj tua kab yog zoo dua li kev txau.
1. Nkag siab Thiamethoxam
Thiamethoxam yog ib tiam tshiab ntawm nicotine insecticides. Nws tsuas yog ua rau lub hauv paus paj hlwb ntawm cov kab tsuag, thaiv kev ua haujlwm ntawm lub paj hlwb, thiab ua rau cov kab mob tuag tes tuag taw thiab ua rau tuag taus. Nws tsis tsuas yog muaj kev sib cuag, mob plab thiab kev ua haujlwm ntawm lub cev, tab sis kuj muaj kev ua haujlwm siab dua, kev nyab xeeb zoo dua, kev siv tshuaj tua kab dav dav, kev ua haujlwm ceev ceev thiab ua haujlwm ntev. Nws yog dav siv nyob rau hauv ntau yam qoob loo los tswj piercing-sucking pests, diptera, lepidoptera, coleoptera thiab lwm yam kab tsuag. Nws yog thawj qhov kev xaiv los hloov cov tshuaj organophosphorus thiab carbamate insecticides heev.
2. Cov yam ntxwv tseem ceeb
(1) Kev ua haujlwm siab: Cov metabolite ntawm thiamethoxam hauv cov qoob loo yog clothianidin, uas muaj tshuaj lom rau cov kab tsuag ntau dua li thiamethoxam, thiab nws cov tshuaj tua kab yog ntau dua 8 npaug ntawm imidacloprid.
(2) Cov dej zoo solubility: Lub solubility ntawm thiamethoxam hauv dej yog ntau tshaj 8 npaug ntawm imidacloprid. Yog li ntawd, txawm nyob rau hauv ib puag ncig arid, nws muaj peev xwm ua si ib tug zoo insecticides thaum siv rau cov av kho.
(3) Cov nyhuv ntev ntev: Thiamethoxam muaj kev ruaj ntseg zoo hauv cov av thiab hauv cov nroj tsuag lub cev, thiab nws cov degradation qeeb heev. Nws tuaj yeem nqus tau los ntawm cov qoob loo hauv paus rau lub sijhawm ntev thiab xa mus rau ntau qhov chaw ntawm cov qoob loo, tsis tu ncua tua kab tsuag. Cov nyhuv ntev tshaj plaws tuaj yeem ncav cuag 120 hnub.
(4) Qib tsis kam: Txij li kev nce qib ntawm thiamethoxam hauv xyoo 1990s, kev tiv thaiv kab mob tau tsim maj mam. Ntawm cov koob tshuaj tsawg heev, nws tseem muaj kev ua haujlwm siab tiv thaiv kab tsuag, thiab nws cov txiaj ntsig hauv kev tswj ntau hom kab tho-nqus kab tsuag tseem zoo heev.
(5) Txhawb kev loj hlob: Thiamethoxam tuaj yeem ua kom cov nroj tsuag muaj zog tiv thaiv cov protein, thiab tib lub sijhawm cuam tshuam rau ntau yam khoom xws li auxin, cytokinin, gibberellin, abscisic acid, peroxidase, polyphenol oxidase, phenylalanine ammonia lyase, thiab lwm yam hauv cov nroj tsuag lub cev. , txhawb cov qoob loo loj hlob, thiab txhim kho qoob loo kev ntxhov siab.
(6) Siv tau yooj yim: Thiamethoxam muaj kev sib cuag thiab mob plab lom, kev nqus dej zoo, thiab tuaj yeem siv tsis yog rau kev txau, tab sis kuj siv cov noob hnav khaub ncaws, kho av, hauv paus irrigation, hauv paus dipping thiab lwm yam kev siv. Cov nyhuv ntawm kev tswj kab tsuag yog qhov zoo heev.
3. Cov qoob loo siv tau
Thiamethoxam tuaj yeem siv dav hauv nplej, nplej, pob kws, paj rwb, txiv laum huab xeeb, taum pauv, qos yaj ywm, dib, txiv lws suav, txiv lws suav, eggplants thiab lwm yam zaub, txiv apples, pears, cherries, txiv duaj, citrus, kiwis, strawberries thiab lwm yam txiv hmab txiv ntoo ntoo, chrysanthemums. , platycodon, peony thiab lwm yam paj thiab cov khoom siv tshuaj hauv Suav.
4. Tswj cov khoom
Nws yog tsuas yog siv los tswj cov aphids, nplej planthoppers, grey planthoppers, whiteback planthoppers, xim av planthoppers, thrips, whiteflies, whiteflies, leafhoppers thiab lwm yam piercing-sucking pests, thiab kuj yuav siv tau rau underground pests xws li dawb grubs, cutworms, thiab ob-spotted cutworms. 5. Kev siv
(1) Kev kho av: Ua ntej tseb qoob loo xws li nplej, txiv laum huab xeeb, taum pauv, qos yaj ywm, qos yaj ywm qab zib, qej, thiab qhiav, ua ke nrog av npaj, 2% thiamethoxam granules 2-3 kg, tov nrog 15-20 kg ntawm cov organic chiv, sib npaug sib npaug thiab tom qab ntawd mus txog thaj av, tuaj yeem tua cov kab tsuag hauv av zoo xws li grubs, mole crickets, wireworms, thiab cutworms hauv av, thiab tseem tuaj yeem tiv thaiv kev puas tsuaj ntawm cov kab tsuag hauv av xws li aphids, thrips, whiteflies, thiab grey planthoppers. Lub sijhawm ua haujlwm tuaj yeem ncav cuag ntau dua 100 hnub.
(2) Daim ntawv thov hauv qhov los yog furrows: Thaum cog seedlings ntawm cov qoob loo xws li dib, watermelon, lws suav, kua txob, eggplant, thiab melon, 1-2 kg ntawm 2% thiamethoxam granules tuaj yeem tov nrog 10-15 kg. ntawm decomposed organic chiv thiab ces siv rau hauv qhov los yog furrows. Tom qab sib tov sib npaug nrog cov av, nws tuaj yeem tiv thaiv kev puas tsuaj ntawm cov kab tsuag hauv av xws li dawb grubs, wireworms, thiab cutworms. Lub sijhawm ua haujlwm tuaj yeem ncav cuag ntau dua 100 hnub. Kev siv cov tshuaj tua kab yog ntau concentrated thiab kev tiv thaiv thiab kev tswj tau zoo dua.
(3) Kev kho cov noob hnav khaub ncaws: Ua ntej tseb cov qoob loo xws li nplej, pob kws, txiv laum huab xeeb, taum pauv, qej, thiab qos yaj ywm, siv 30% thiamethoxam ncua kev tshem tawm cov noob hnav khaub ncaws ntawm cov tshuaj-cov noob piv ntawm 1:400 kom sib npaug ntawm cov noob hnav khaub ncaws. ntawm qhov chaw cog. Nws tuaj yeem tiv thaiv kev puas tsuaj ntawm cov kab tsuag hauv av thiab ntau yam kab tsuag hauv av, thiab tseem tuaj yeem tiv thaiv qhov tshwm sim ntawm cov kab mob kis. Lub sijhawm siv tau tuaj yeem ncav cuag li 80 hnub.
(4) Hauv paus irrigation: Thaum lub sij hawm yub yub theem ntawm watermelon, dib, lws suav, eggplant, kua txob thiab lwm yam zaub, 2000 zaug diluted 30% thiamethoxam ncua kev kawm ntawv noob txheej neeg sawv cev yuav siv tau rau irrigate lub seedbed, los yog ncaj qha irrigate cov hauv paus hniav thiab npog. av thaum cog. Nws tseem tuaj yeem tiv thaiv kev puas tsuaj ntawm cov kab tsuag hauv av thiab ntau yam kab tsuag hauv av, thiab lub sijhawm ua haujlwm tuaj yeem ncav cuag ntau tshaj 50 hnub.
Cov hau kev saum toj no tuaj yeem tiv thaiv kev puas tsuaj ntawm ntau yam kab tsuag hauv av xws li dawb grubs, mole crickets, wireworms, cutworms, thiab ob-spotted npauj, thiab tseem tuaj yeem tiv thaiv kev puas tsuaj ntawm av tho-sucking pests xws li aphids, grey leafhoppers, thiab thrips. Lub sijhawm ua haujlwm tau ntev thiab cov nyhuv zoo dua. Nws tuaj yeem txo tus naj npawb ntawm cov tshuaj tsuag thiab txo qis kev siv zog.
