Thiamethoxam yog cov tshuaj tua kab thib ob nicotinoid nrog cov qauv tshiab thiab kev ua haujlwm siab thiab tsis muaj tshuaj lom. Nws tsis tsuas yog muaj qhov zoo ntawm kev sib cuag tua, mob plab lom thiab zoo systemicity, tab sis kuj muaj qhov zoo ntawm kev ua haujlwm siab, kev nyab xeeb zoo, cov tshuaj tua kab dav dav, tshuaj tua kab ceev ceev thiab cov nyhuv ntev.
Cov yam ntxwv tseem ceeb
(1) Thiamethoxam muaj cov kab mob plab zoo thiab tiv thaiv kev tua, muaj zog tiv thaiv kab mob thiab qee yam permeability. Nws muaj cov tshuaj tua kab dav dav, cov tshuaj tua kab ntau thiab cov tshuaj tua kab thib ob, yog li cov av kav ntev tuaj yeem ncav cuag ntau tshaj 90 hnub.
(2) Nws muaj siab solubility. Nws tsis yog tsuas yog soluble hauv dej xwb, tab sis kuj muaj cov tshuaj tua kab ntau dua hauv qhov kub thiab txias ib puag ncig thaum lub caij ntuj sov.
(3) Vim tias thiamethoxam tuaj yeem ua kom cov nroj tsuag muaj zog tiv thaiv cov protein, nws cuam tshuam rau auxin, cytokinin, gibberellin, abscisic acid, peroxidase, polyphenol oxidase thiab phenylalanine ammonia lyase hauv cov nroj tsuag, uas tuaj yeem ua rau cov qoob loo muaj zog, cov hauv paus hniav tsim tau zoo thiab txhim kho kev ntxhov siab.
(4) Thiamethoxam tsis tsim kev sib tw nrog lwm cov nicotinoids xws li imidacloprid, acetamiprid, thiab nitenpyram, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam tiv taus imidacloprid, qhov chaw tswj cov nyhuv tseem ceeb dua.
(5) Thiamethoxam muaj kev sib raug zoo nrog ntau yam tshuaj tua kab thiab fungicides xws li azoxystrobin, metalaxyl-M, fludioxonil, thiab difenoconazole, thiab muaj ntau yam tshuaj tua kab thiab kab mob tua.
Lub hom phiaj ntawm kev tswj
Thiamethoxam muaj kev ua haujlwm siab tiv thaiv aphids, whiteflies, thiab lwm yam homoptera kab tsuag, thiab tuaj yeem tswj tau aphids, thrips, whiteflies, whiteflies, leafhoppers, grubs, wireworms, qos beetles, nematodes, nplooj miners, nplej planthoppers, ntsuab stink kab, nplej stink kab. , kab kab ntev stink, American pasture stink kab, mealybugs, kua paj weevils, nplej weevils, daj-striped flea beetles, av beetles, sunflower nplooj kab, codling moths, nplooj miners, leafminers, thiab nematodes. Tsis tas li ntawd, thiamethoxam kuj tuaj yeem siv rau hauv thaj chaw ntawm cov tsiaj thiab kev noj qab haus huv rau pej xeem los tswj yoov, thiab lwm yam.
Txoj kev thov
Muaj ntau txoj hauv kev siv thiamethoxam, uas tuaj yeem siv rau kev txau, kev hnav khaub ncaws ntawm cov noob, kev kho av, kev ywg dej hauv paus thiab lwm yam kev siv.
Cov tshuaj tua kab dav dav ntawm thiamethoxam hauv txoj kev xav tsis zoo heev hauv kev siv tswv yim. Ob qhov teeb meem tsis tuaj yeem tsis quav ntsej.
Ib qho yog qhov teeb meem tsis kam; Cov nyhuv ntawm kev siv thiamethoxam ib leeg nyob rau hauv cov cheeb tsam resistant yog tseem zoo, tab sis cov nyhuv ntawm kev tswj thrips, aphids, planthoppers, thiab lwm yam nyob rau hauv ntau yam zaub cog nyob rau hauv sab qab teb yog tseem tsis zoo.
Qhov thib ob yog qhov teeb meem ntawm ntau npaum li cas; Yog tias thiamethoxam xav tswj cov kab, nws yuav tsum tau siv rau hauv cov nyiaj ntau ntxiv tam sim no. Hauv kev siv tswv yim, ntau tus neeg cog qoob loo siv nws raws li qhov ntau npaum li cas tau teev tseg hauv cov lus qhia cov khoom, uas ib txwm ua tsis tau kho lossis tsis kho tag nrho, lossis txawm tias ntau cov kab tsuag raug kho, lawv ntau dua.
Qhov kev pom zoo ntau npaum li cas ntawm daim ntawv pov thawj kev sau npe tshuaj tua kab yog ib qho kev xav tau ua nyob rau hauv ib puag ncig resistant. Piv nrog rau cov tshuaj tiv thaiv tam sim no ntawm cov kab tsuag, nws tsis muaj qhov tseem ceeb hauv kev taw qhia (piv txwv li, cov npe cuam tshuam ntawm 25% thiamethoxam, ntau npaum li cas ntawm 2 mus rau 4 grams rau cov qoob loo cog qoob loo, tab sis hauv kev siv cov khoom siv tiag tiag, nws tsis tuaj yeem kho tau txhua qhov). . Yog tias koj xav siv thiamethoxam kom zoo, koj yuav tsum sib xyaw nrog lwm hom tshuaj tua kab.
Tsib tus neeg koom tes golden ntawm thiamethoxam, cov nyhuv tshuaj tua kab yog ob npaug thaum siv kom raug
1. Thiamethoxam + Abamectin
Tom qab thiamethoxam thiab abamectin sib xyaw ua ke, lawv tsuas yog siv los tswj cov kab tsuag nrog kev tho thiab nqus cov qhov ncauj xws li thrips thiab aphids, pear psyllids, tshuaj yej ntsuab, leafhoppers, thiab lwm yam, thiab cov nyhuv zoo heev.
2. Thiamethoxam + pymetrozine
Tom qab thiamethoxam thiab pymetrozine sib xyaw, lawv tsuas yog siv los tswj cov aphids, nplej planthoppers, thiab lwm yam hauv cov qoob loo, thiab cov txiaj ntsig zoo heev.
3. Thiamethoxam + fludioxonil
Tom qab thiamethoxam thiab fludioxonil sib tov, nws yog ib qho zoo heev kev kho cov noob raug tshem tawm, feem ntau yog siv los tiv thaiv thrips thiab aphids, seedling blight thiab lwm yam kab tsuag thiab kab mob.
4. Thiamethoxam + spirotetramat
Tom qab thiamethoxam thiab spirotetramat sib tov, nws yog tsuas yog siv los tswj cov kab mob resistant, pear psyllids, scale kab, thiab lwm yam ntawm txiv hmab txiv ntoo ntoo xws li pear ntoo thiab persimmon ntoo, thiab nws kuj muaj ib tug tej yam inhibitory nyhuv ntawm mites.
5. Thiamethoxam + flonicamid
Tom qab thiamethoxam thiab flonicamid sib xyaw, cov mis muaj cov tshuaj lom hauv plab thiab tiv thaiv kev tua cov teebmeem, feem ntau yog siv los tswj cov kab mob aphids, thrips, planthoppers thiab lwm yam kab tsuag. Tom qab siv tshuaj, nws tuaj yeem tswj xyuas kev puas tsuaj ntawm aphids, whiteflies, whiteflies, thrips thiab lwm yam kab tsuag, nrog rau cov nyhuv ntev ntev thiab zoo los nag.
Kev ceev faj rau kev siv thiamethoxam
① Nws raug nquahu kom tsis txhob siv thiamethoxam ib leeg. Cov nyhuv nrawm ntawm ib daim ntawv thov qeeb, yog li nws raug pom zoo kom siv nws ua ke, thiab tsawg kawg ntxiv cov txiaj ntsig zoo chlorpyrifos kom nws cov nyhuv nrawm.
② Txoj kev txau ntawm thiamethoxam los tswj cov kab tsuag hauv av xws li dawb grubs tsis zoo. Ob txoj kev thov raug pom zoo: ib qho yog cov noob sib xyaw thiab lwm qhov yog yaug. Thaum yaug, nws yuav tsum tau ua ke nrog cov tshuaj tua kab pyrethroid.
③ Thaum siv thiamethoxam, nws tsis tas yuav tsum sib xyaw nrog imidacloprid, clothianidin, thiab lwm yam. Vim tias lawv yog cov tshuaj tua kab mob nicotinoid thiab koom nrog tib chav kawm ntawm cov neeg ua haujlwm.
④ Thaum thiamethoxam siv los tswj cov maggots hauv av, nws yuav tsum tau siv ntau ntxiv los xyuas kom meej nws cov nyhuv, tshwj xeeb tshaj yog rau cov maggots dub. Noj 25% thiamethoxam ua piv txwv, tus nqi yuav tsum tsis txhob tsawg dua 500 grams / mu.
