2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Cov ntoo cog qoob loo yog qhov ua rau muaj ntau yam kev coj txawv txawv, qee zaum xa tawm qhov npau taws-zoo li tus txha nraub qaum lossis cov tub rog ntawm cov dej sprouts zoo li cov tub rog me me tawm hauv qab tsob ntoo. Burrknot ntawm cov ntoo tshwm sim thaum cov cag ntoo no thawb tawm tsis tiav pawg ntawm cov hauv paus hniav, tsim ib qho chaw ntxhib, puag ncig hauv qab ntawm graft. Feem ntau hais lus, cov burrknots no tsis muaj teeb meem, tshwj tsis yog cov burrknot borers nyob hauv cheeb tsam.
Symptoms of Burrknot Borers
Burrknot borers, feem ntau hu ua dogwood borers, yog daim ntawv larval ntawm tus npauj clearwing. Cov poj niam nteg qe uas yuav hatch me ntsis dhau ib lub lis piam nyob rau hauv burrknots ntawm ntoo. Thaum cov me me larvae tshwm sim, lawv dipped rau hauv lub burrknot, thawb tawm ib tug xeb-colour frass li lawv mus. Qhov no discoloration ntawm qhov chaw ntawm lub burrknot tej zaum yuav yog thawj thiab tsuas kos npe rau ntawm kab mob.
Qhov chaw uas tau siv rau kev yug me nyuam ntau tiam neeg tuaj yeem tso cai rau tsob ntoo kom girdled nyob rau lub sijhawm, raws li larvae khawb tob thiab tob los ntawm burrknot, rau hauv cov ntaub so ntswg noj qab haus huv. Cov ntoo uas muaj kab mob ntev yuav maj mam txo qis thiab, yog tias lawv yog cov txiv hmab txiv ntoo, maj mam txo qis hauv lawv cov qoob loo raws li cov kab mob nthuav dav.
Ua rau Burrknot
Burrknots feem ntau tshwm sim ntawm cov ntoo grafted, tsis muajrootstock zoo li tsis muaj zog. Cov av noo siab thiab shading ntawm graft union yuav txhawb kom tsim cov qauv no. Ntau tus neeg cog qoob loo ntau lub pob zeb dav ntawm cov av nyob ib ncig ntawm qhov nthuav tawm ntawm cov hauv paus hniav los txhawb cov burrknots kom loj hlob mus rau hauv cov hauv paus hniav, txo lawv txoj kev pheej hmoo ntawm harboring borers.
Txoj kab mob kab mob burrknot kho
Kev kho mob rau burrknot borers tuaj yeem nyuaj vim lawv siv lawv lub neej feem ntau hauv cov ntoo, tab sis cov cuab yeej pheromone tuaj yeem pab ntes cov neeg laus ntawm kev txav mus los. Muab cov no li 4 ko taw (1 m.) saum toj no hauv av thaum ntxov lub caij kom koj yuav npaj txhij thaum nws yog lub sij hawm tshuaj tsuag. Ib daim ntawv thov ntawm chlorpyrifos ncaj qha rau thiab ib ncig ntawm cov burrknots tom qab thawj dogwood borer tshwm nyob rau hauv koj lub cuab yuav tsum txaus rau lub caij so.
Koj tuaj yeem tiv thaiv dogwood borers los ntawm kab mob burrknots los ntawm kev siv lub tsho dawb ntawm cov xim latex rau cov cag ntoo ntawm cov ntoo uas muaj kev pheej hmoo thiab muab kev saib xyuas zoo heev. Zoo li lwm cov borers, dogwood borers nyiam ntoo uas muaj kev ntxhov siab thiab yuav nrhiav tau lawv tshaj lwm tus.
Pom zoo:
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