Hauv kev ua liaj ua teb, aphids, planthoppers, thiab whiteflies, vim lawv cov kev loj hlob sai thiab kev tswj xyuas nyuaj, tau dhau los ua ib qho kev nthuav dav tshaj plaws thiab ua kom puas tsuaj - nqus cov kab tsuag. Niaj hnub no, peb qhia txog cov tshuaj tua kab nrog ntau yam kev ua ub no, lub zog muaj zog, thiab ua haujlwm sai. Nws tswj tau zoo aphids, planthoppers, whiteflies, leafhoppers, thiab lwm yam piercing-sucking pests, thiab yog dav siv rau cov qoob loo xws li mov, nplej, zaub, thiab txiv hmab txiv ntoo ntoo. Cov tshuaj tua kab no yognitenpyram.
NitenpyramMechanism ntawm Action
Nitenpyram yog cov tshuaj tua kab tshiab neonicotinoid. Nws ua rau acetylcholine receptors nyob rau hauv kab lub paj hlwb, ua rau lub paj hlwb transduction disorders. Kab mob tshwm sim tsis tu ncua thiab tuag tes tuag taw, thaum kawg tuag vim lub paj hlwb tsis ua haujlwm. Nws tswj tau zoo ntau yam tho- nqus cov kab tsuag xws li aphids, planthoppers, whiteflies, leafhoppers, psyllids, thiab thrips. Nws yog dav siv rau ntau yam qoob loo xws li mov, hom qoob mog, paj rwb, dib, eggplant, radish, lws suav, qos yaj ywm, melon, txiv duaj, txiv duaj, txiv duaj, txiv duaj, citrus, txiv hmab txiv ntoo, tshuaj yej, thiab paj, nrog rau cov nyhuv residual kav li ntawm 20 hnub.
Nitenpyram Khoom nta
(1) Kev nrawm nrawm.
Nitenpyram cuam tshuam sai sai - nqus cov kab tsuag xws li aphids, whiteflies, thiab thrips. Tom qab noj cov kua txiv hmab txiv ntoo uas muaj nitenpyram, cov kab tsuag muaj tshuaj lom nyob rau lub sijhawm luv luv, feem ntau pom cov tsos mob tshwm sim hauv 1-2 teev, xws li tsis pub noj, qeeb zog, thiab tuag tes tuag taw. Nws tuaj yeem tswj tau cov kab mob ceev ceev thiab txo cov kab tsuag puas tsuaj rau cov qoob loo. Cov teebmeem tseem ceeb pom tau hauv 24 teev tom qab thov.
(2) Cov khoom muaj zog muaj zog.
Nitenpyram muaj cov khoom zoo heev. Thaum thov, nws yog sai absorbed los ntawm cov hauv paus hniav, stems, thiab nplooj ntawm cov qoob loo thiab sai translocated mus rau tag nrho cov cheeb tsam ntawm cov nroj tsuag. Qhov no tso cai rau cov tshuaj tua kab kom ncav cuag qhov chaw pub mis rau cov kab tsuag. Txawm hais tias cov kab tsuag tau pub rau hauv qab ntawm nplooj lossis hauv stems, lawv tseem tuaj yeem sib cuag nrog cov tshuaj tua kab, ua rau muaj txiaj ntsig zoo thiab siv tshuaj tua kab.
(3) Zoo sib xws.
Txhawm rau txhim kho kev tswj hwm kev ua tau zoo thiab ncua kev txhim kho ntawm kev tiv thaiv, nitenpyram feem ntau siv ua ke nrog lwm cov tshuaj tua kab, xws li pymetrozine (uas txhim kho qhov nrawm thiab lub sijhawm ntawm kev tawm tsam cov nroj tsuag thiab aphids), bifenthrin (uas nthuav dav cov kab tsuag tshuaj tua kab thiab tseem tswj cov kab tsuag lepidopteran zuag qhia tag nrho), kev tswj hwm abproficam. thiab tswj thrips resistant los yog whiteflies), thiab flonicamid (uas synergistically txhim khu kev ua tau zoo thiab ncua kev loj hlob tsis kam).
(4) Kev ruaj ntseg profile.
Ntawm cov koob tshuaj ib txwm siv, nitenpyram kuj muaj kev nyab xeeb rau ib puag ncig thiab tsis yog - cov kab mob hauv lub hom phiaj, muaj cov tshuaj lom neeg tsawg rau cov tsiaj thiab noog, muaj kev nyab xeeb rau cov qoob loo, thiab yuav luag tsis muaj phytotoxic cuam tshuam rau cov qoob loo thaum siv ntau qhov chaw. Nws kuj tseem muaj lub sijhawm luv luv, ua rau nws tshwj xeeb tshaj yog siv rau lub sijhawm fruiting.
