Video: Yuav ua li cas kho viburnum beetles?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum tsim nyog, ntau cov tshuaj tua kab muaj txiaj ntsig zoo hauv kev tswj hwm viburnum nplooj kab . Cov khoom uas muaj carbaryl (Sevin) ua cov khoom xyaw nquag los yog ib qho ntawm cov tshuaj tua kab pyrethroid (cyfluthrin, permethrin, resmethrin) zoo heev li tshuaj tsuag foliar.
Tsis tas li ntawd, yuav ua li cas tshem tawm viburnum nplooj kab?
A: Ua ntej, nco ntsoov cov kev tswj tau zoo tshaj plaws rau viburnum nplooj kab yog pruning thiab rhuav tshem cov kab kab mob tom qab qe nteg nyob rau hauv lub caij nplooj zeeg - txhua lub sij hawm los ntawm Lub kaum hli ntuj mus rau lub Plaub Hlis - los yog tsuag ib qho ntawm cov tshuaj no thaum larvae thawj tshwm sim nyob rau hauv thaum ntxov May.
Ib yam li ntawd, kuv yuav paub li cas yog tias kuv muaj viburnum? Saib ntawm nplooj ntawm cov nroj tsuag. Cov viburnum muaj ci, ntsuab nplooj uas loj hlob nyob rau hauv ib tug ntom, uniformed qauv ntawm cov nroj tsuag, tsim ib tug domed duab. Cov nplooj loj hlob nyob rau hauv khub, ib sab ntawm cov ceg. Nplooj yog lobed.
Hais txog qhov no, dab tsi yog tua kuv viburnum?
Hauv paus Rot Ruin Viburnum Nws raug rau Armillaria hauv paus rot, kab mob fungal uas tuaj yeem ua rau cov tsos mob xws li cov nplooj daj daj lossis nplooj poob. Peeling rov qab bark yuav qhia ib tug dawb, velvety fungus. Cov hlua zoo li dub fungal strands kuj tuaj yeem pom hauv tus av.
Vim li cas kuv tus viburnum tsw?
Qhov hauv tus nplooj ntawm viburnums tshwm sim los ntawm tus larvae thiab cov neeg laus ntawm viburnum kab. Cov nroj tsuag tuaj yeem raug tshem tawm tag nrho ntawm nplooj ntoo thiab tuaj yeem tawm qhov foul tsw , uas xav tias yog tshwm sim los ntawm tus excrement ntawm tus larvae.
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