2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub hemlock woolly adelgid (HWA) tiv thaiv nws lub hnab qe nrog cov xim dawb, woolly txheej. Cov hnab no tau nres ntawm lub hauv paus ntawm tsob ntoo koob, thiab hatched adelgids noj mov ntawm cov kua txiv uas khiav ntawm cov ceg thiab cov koob. Nrog rau cov khoom noj khoom haus no cuam tshuam, cov koob tuag, nws thiaj li tshaib plab.
Vim li cas hemlocks tuag?
Eastern thiab Carolina hemlocks tuag vim muaj kab mob hemlock-noj tawm tsam kis los ntawm Nyiv. Cov kab tsuag - Hemlock Woolly Adelgid (HWA) - tua hemlocks los ntawm kev nqus cov as-ham los ntawm tsob ntoo, tua nws tsawg li 3-5 xyoos.
Dab tsi yog tua cov hemlock sab hnub tuaj?
Yog tsis muaj kev cuam tshuam ua tiav, tus hemlock woolly adelgid yog qhov yuav tua cov ntoo hemlock feem ntau hauv lub tiaj ua si. … Keeb kwm nrhiav pom ntawm no xyoo 2002, tam sim no cov kab mob adelgid tau kis thoob plaws hauv lub tiaj ua si hemlock hav zoov. Hauv ntau thaj chaw, tsob ntoo tau tuag lawm.
Dab tsi yog tua ntoo hemlock hauv Pennsylvania?
The hemlock woolly adelgid (Adelges tsugae) yog ib qho kev hem thawj rau peb lub xeev tsob ntoo, sab hnub tuaj hemlock, hauv Pennsylvania thiab thoob plaws Tebchaws Meskas. Cov kab uas tsis yog haiv neeg no tau ua rau muaj kev cuam tshuam loj heev thiab kev tuag hauv Pennsylvania hav zoov.
Koj kho tsob ntoo hemlock li cas?
Control Options. Cov tswv tsev thiab cov tswv av ntiag tug muaj ob txoj kev kho mob: 1) tshuaj tsuag nplooj ntoo nrog tshuaj tua kab lossis roj horticulturalThaum lub sij hawm tsim nyog thaum lub sij hawm HWA lub neej voj voog, los yog 2) siv cov tshuaj tua kab uas txav nrog tsob ntoo kua txiv thiab noj los ntawm cov adelgids thaum lawv pub.
Pom zoo:
Yuav ua li cas sau ntawv thiab yuav ua li cas?
Tab sis tiag tiag, sau ntawv tsuas yog txhais tau tias tso tseg me ntsis nyob ntsiag to, tsis muaj sijhawm los zaum thiab xav txog koj lub neej. Nws tuaj yeem yog los ntawm kev sau cov ntaub ntawv ntawm qhov koj tau ua hnub ntawd; los ntawm venting txog ib yam uas koj tsis tuaj yeem tawm ntawm koj lub siab;
Yuav ua li cas felicity thiab Oliver yuav tau sib yuav?
Thiab ua ntej Digg - "Kuv yog tus txiv neej uas tau rau xyoo dhau los tau sim ua kom koj ob leeg ua ke. Nws tsuas yog haum uas kuv yuav koj" - Oliver thiab Felicity thaum kawg khi lub pob. Oliver thiab Felicity tau sib yuav?
Yog hemlocks mos lwj resistant?
Hemlock yog ib qho ntawm ntau tshaj plaws ntxoov ntxoo-hloov hom, tab sis nws yog qhov ua rau muaj kab mob tuag taus hu ua woolly adelgids. … Arborvitae, yews thiab hollies kuj yog ib qho ntxoov ntxoo-tiv taus tab sis feem ntau yuav raug kev puas tsuaj rau mos lwj.
Puas hemlocks poob lawv rab koob?
Zaj. Txawm hais tias kev tshem cov koob laus yog ib qho txheej txheem zoo kawg nkaus rau cov koob tshuaj ntsuab, hauv ntau xyoo, lawvpoob ntau dua li qhov ib txwm muaj ntawm koob vim muaj ntau yam ntawm ib puag ncig. Ntxiv nrog rau koob poob, qee qhov kev tuag ntawm cov twigs thiab ceg tuaj yeem tshwm sim.
Yuav ua li cas yuav raug puas tsuaj txhais li cas?
Kev xav ntawm kev puas tsuaj yog kev xav lossis kev xav tias muaj qee yam kev nyuaj siab tab tom yuav tshwm sim. Nws tsis yog qhov txawv txav uas xav tias yuav muaj kev puas tsuaj thaum koj nyob hauv qhov xwm txheej hnyav, xws li kev puas tsuaj ntuj los yog kev sib tsoo.
