Raws li feem ntau ntawm cov ntoo ib txwm muaj, kuj muaj cov kab tsuag uas ua rau muaj teeb meem rau birch. Ntxiv nrog rau cov kab mob fungal ntau heev, uas cov ntoo birch kuj raug cuam tshuam, ntau yam tsiaj noj mov ntawm cov ntoo. Koj tuaj yeem pom qhov twg tsis ua rau muaj kev phom sij thiab thaum twg koj yuav tsum cuam tshuam ntawm no.
Puas muaj kab tsuag uas feem ntau tshwm sim ntawm cov ntoo birch thiab koj tuaj yeem tua lawv li cas?
Cov kab tsuag muaj kab ntau ntawm cov ntoo birch muaj xws li birch nplooj rollers, loj birch sawflies, thrips, aphids thiab birch kab. Cov tswv yim sau suav nrog tshem tawm cov kab mob, tshuaj tua kab thiab kev tiv thaiv xws li nplua-mesh qhov rai nets.
Pests ntawm tsob ntoo birch - cov no yog cov feem ntau
Birch ntoo tuaj yeem cuam tshuam los ntawm ntau yam kab mob. Hauv cov teb chaws uas hais lus German cov no feem ntau yog hom hauv qab no.
Birch nplooj ntoo
Raws li nws lub npe qhia, cov nplooj nplooj ntoo ua rau nplooj curled. Cov no tsuas yog dai xim av thiab tuag ntawm cov ntoo birch thiab lwm hom ntoo. Nws yog peb mus rau tsib millimeter loj beetle nrog punctured elytra. Feem ntau tsis muaj kev puas tsuaj loj. Koj tuaj yeem tiv thaiv qhov pom kev ntxhov siab los ntawm kev tshem tawm cov nplooj birch cuam tshuam sai li sai tau. Tshem tawm cov nplooj qhwv yuav txo cov kab mob rau xyoo tom ntej.
Zoo heev Birch Sawfly
Birch sawfly caterpillars, uas yog kwv yees li 25 millimeters ntev, ua rau hnyav puas tsuaj rau cov npoo ntawm nplooj. Qhov no tuaj yeem txuas mus rau cov ntoo uas liab qab tag. Txawm li cas los xij, kev puas tsuaj feem ntau txwv thiab tsis tas yuav muaj kev tawm tsam. Tej zaum nws yuav pom zoo kom tshem tawm cov nplooj uas npog nrog kab ntsig.
Thrips
Silvery, speckled nplooj feem ntau yog ib qho qhia tias thiaj li hu ua thrips los yog fringed winged beetles tau txuas lawv tus kheej mus rau tsob ntoo birch. Txawm li cas los xij, yog tias nws tsis yog qhov ua rau muaj kev phom sij rau lub neej, kev ntxeem tau siab, koj tsis tas yuav cuam tshuam. Yog tias tsim nyog, tsob ntoo tswj qhov teeb meem nws tus kheej los ntawm kev cuam tshuam cov nplooj ntxov ntxov.
Ntau hom aphids
Dab tsi pom zoo rau thrips kuj siv tau rau cov kab mob aphids: saib tsob ntoo thiab tsuas yog siv tshuaj tua kab yog tias muaj kab mob hnyav. Lavender tso ze tsob ntoo tuaj yeem pab tau.
birch kab mob
Yog tias koj tsob ntoo birch nyob hauv cov tsiaj xim av txog tsib millimeters me me nrog cov dots dub, tej zaum lawv yog cov kab mob birch. Lawv ua rau lawv tus kheej pom zoo los ntawm lawv tus cwj pwm pub mis, tab sis hauv paus ntsiab lus tsis ua mob rau tsob ntoo.
Tshwj xeeb, lawv dhau los ua kev ntxhov siab rau tus tswv lub vaj, vim tias cov kab ntau sai heev thiab nyiam tau los ntawm tsob ntoo birch hauv lub vaj ncaj qha rau hauv tsev. Nyob ntawd lawv chirp annoyingly thiab ua rau muaj ntxhiab tsw ntxhiab. Tib yam uas yuav pab tau ntawm no yog kev tiv thaiv, qhov zoo tshaj plaws nrog nplua-mesh qhov rais nets. Koj tuaj yeem txau cov kab tsuag uas twb tau tuaj txog hauv tsev nrog dej lavender thiab ua tib zoo cheb lawv mus.
