Kua ntoo maj mam nkag mus rau lub sij hawm flowering. Tom qab lub sij hawm flowering, raws li qhov kub thiab txias nce sai, nplooj-noj kab tsuag, ceg kab tsuag thiab txiv hmab txiv ntoo kab tsuag tag nrho nkag mus rau lub ceev ceev txoj kev loj hlob thiab kev loj hlob theem, thiab cov pejxeem ntawm ntau yam kab tsuag yuav nce sai heev.
Txog 10 hnub tom qab paj poob yog lub sijhawm thib ob tseem ceeb rau kev tswj xyuas kab tsuag ntawm txiv apples. Ua tib zoo saib xyuas qhov tshwm sim ntawm cov kab tsuag loj. Thaum cov pej xeem nce mus txog qhov ntsuas ntsuas, kev tiv thaiv thiab kev tswj hwm yuav tsum tau ua raws sijhawm.
Ua ntej thiab tom qab lub paj poob, feem ntau xyuas qhov kev puas tsuaj ntawm nplooj, cov tub ntxhais hluas tua, cov txiv hmab txiv ntoo hluas thiab cov ceg ntoo, tsom rau cov kab laug sab liab liab, kab laug sab kab laug sab, txiv apple daj aphids, woolly apple aphids, kab ntsuab, paj rwb bollworms thiab longhorn beetles, thiab lwm yam. ., thiab xyuas seb puas muaj cov cim qhia ntawm nplooj sab hauv. Muaj kab laug sab mites liab, aphids ntawm cov tub ntxhais hluas tua, kab ntsuab nyob rau sab saum toj ntawm cov tub ntxhais hluas tua, thiab xyuas seb puas muaj bollworm larvae ntawm nplooj thiab txiv hmab txiv ntoo hluas.
Rau cov yub thiab saplings, tsom mus rau kev tshawb xyuas seb puas muaj nplooj ntoos cov kab npauj kab laug nyob rau saum cov ceg thiab ceg nplooj, seb puas muaj cov kab dawb dawb (kev puas tsuaj ntawm woolly apple aphids) ntawm qhov caws pliav ntawm ceg thiab pom kev txiav, thiab seb puas muaj cov kab mob dawb. coob tus ntawm nplooj ntoos kab npauj kab larvae nyob rau hauv lub cev thiab hauv av. Fresh sawdust zoo li xa me nyuam rov (ntev-horned beetle txaus ntshai). Thaum muaj pes tsawg tus kab tsuag loj, xaiv cov tshuaj tua kab mob raws li hom kab tsuag.
Nws yog ib nqi sau cia hais tias cov txiv hmab txiv ntoo hluas yog rhiab heev rau cov tshuaj tua kab thiab nquag phytotoxicity. Txau cov tshuaj emulsifiable concentrates thiab cov tshuaj tua kab tsis zoo yuav tsum zam lub sijhawm no. Nyob rau hauv cov nqe lus ntawm kev tsim khoom, qhov tshwj xeeb tiv thaiv thiab tswj cov ntsuas thiab ntsuas thaum lub sijhawm ua haujlwm tiag tiag yog raws li hauv qab no:
Thaum cov kab laug sab mites pom muaj txog 2 ib nplooj thaum lub sij hawm saib xyuas vaj, cov tshuaj acaricides xws li etoxazole lossis spirodiclofen tuaj yeem txau rau kev tswj.
Thaum aphid tus nqi siab tshaj 60%, cov tshuaj tua kab xws li imidacloprid, Lambda-cyhalothrin lossis chlorpyrifos tuaj yeem muab txau los tswj cov aphids nrog rau cov kab tsuag ntsuab, woolly apple aphids thiab kab kab. Ntawm lawv, rau kev tiv thaiv thiab tswj cov kua woolly aphids, thaum cov pob zeb tshwm sim hauv lub vaj, lawv tuaj yeem muab tshem tawm ntawm tes los yog txhuam tawm. Yog tias nws tshwm sim feem ntau, ntxiv rau kev txau cov tshuaj tau hais los saum toj no ntawm cov ceg ntawm tag nrho lub vaj, cov hauv paus hniav yuav tsum tau irrigated nrog 1000 zaug ntawm 10% imidacloprid wettable hmoov.
Yog hais tias muaj ntau cov paj rwb bollworms nyob rau hauv lub orchard, koj tuaj yeem tsuag tshuaj tua kab xws li emamectin ntsev thiab Lambda-cyhalothrin, uas tseem tuaj yeem tswj cov kab mob lepidopteran xws li pear heartworms thiab nplooj nplooj.
Yog tias koj pom lub qhov tso quav tshiab rau ntawm tsob ntoo, tam sim ntawd siv lub koob txhaj tshuaj los txhaj 1 mus rau 2 ml ntawm 50- mus rau 100-fold tov ntawm chlorpyrifos lossis cypermethrin rau hauv lub qhov quav, thiab muab lub qhov nrog cov av. Ceev faj tsis txhob txhaj tshuaj thawj zaug kom tsis txhob muaj qhov concentration ntawm qhov siab dhau. Siab thiab ua rau phytotoxicity.
Post lub sij hawm: Apr-15-2024
