2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Yog tias koj tau siv sijhawm ntau nyob hauv hav zoov, tshwj xeeb tshaj yog nyob ib puag ncig cov ntoo cherry qus, koj yuav pom qhov tsis sib xws, khib nrhiav kev loj hlob lossis galls ntawm tsob ntoo lossis pob tw. Tsob ntoo nyob rau hauv tsev neeg Prunus, xws li cherry los yog plum, loj hlob wildly thoob plaws hauv North America thiab lwm lub teb chaws thiab muaj kev cuam tshuam rau lub caij nplooj zeeg loj tsim cov kab mob hu ua cherry black knot disease los yog dub pob caus xwb. Nyeem rau kom paub ntau ntxiv txog cherry black knot.
About Cherry Black Knot Disease
Dub pob txha ntawm cov ntoo cherry yog kab mob fungal tshwm sim los ntawm cov kab mob Apiosporina morbosa. Cov kab mob fungal tau kis ntawm cov ntoo thiab tsob ntoo hauv tsev neeg Prunus los ntawm cov kab mob uas taug kev ntawm cua thiab nag. Thaum cov xwm txheej ntub thiab ntub, cov spores nyob ntawm cov ntaub so ntswg ntawm cov tub ntxhais hluas cov ntaub so ntswg ntawm lub xyoo tam sim no txoj kev loj hlob thiab kis rau cov nroj tsuag, ua rau galls tsim.
Ob ntoo tsis muaj kab mob; Txawm li cas los xij, tus kab mob tuaj yeem tsis pom nyob rau ob peb xyoos vim tias qhov pib tsim ntawm galls qeeb thiab tsis pom tseeb. Cherry black knot feem ntau muaj nyob rau hauv cov tsiaj qus Prunus, tab sis nws kuj tuaj yeem kis kab mob ornamental thiab edible toj roob hauv pes cherry ntoo.
Thaum qhov kev loj hlob tshiab kis tau, feem ntau nyob rau lub caij nplooj ntoo hlav lossis lub caij ntuj sov thaum ntxov, me me xim av gallspib tsim ntawm cov ceg ze ntawm nplooj ntoo los yog txiv hmab txiv ntoo spur. Thaum lub galls loj tuaj, lawv loj, tsaus, thiab tawv. Thaum kawg, lub galls tawg qhib thiab npog nrog velvety, txiv ntseej ntsuab fungal spores uas yuav kis tus kab mob mus rau lwm yam nroj tsuag lossis lwm qhov chaw ntawm tib tsob nroj.
Cherry black knot disease tsis yog kab mob hauv lub cev, txhais tau tias nws tsuas kis tau qee qhov ntawm cov nroj tsuag, tsis yog tag nrho cov nroj tsuag. Tom qab tso nws spores, lub galls tig dub thiab crust. Cov fungus dhau lub caij ntuj no hauv lub gall. Cov galls no yuav loj hlob ntxiv thiab tso tawm cov kab mob txhua xyoo yog tias tsis kho. Raws li lub galls loj, lawv yuav girdle cherry ceg, ua rau nplooj poob thiab ceg tuag. Qee zaum cov galls tuaj yeem tsim rau ntawm tsob ntoo, thiab.
Tshuaj Cherry Ntoo nrog Dub Knot
tshuaj tua kab mob ntawm cov kab mob dub ntawm cov ntoo cherry tsuas yog siv los tiv thaiv kev kis tus kab mob. Nws yog ib qho tseem ceeb uas yuav tsum tau nyeem thiab ua raws li cov kab mob fungicide kom meej. Cov kev tshawb fawb tau pom tias cov tshuaj fungicides uas muaj captan, txiv qaub sulfur, chlorothalonil, los yog thiophanate-methyl muaj txiaj ntsig zoo los tiv thaiv cov nroj tsuag tshiab los ntawm kev cog lus cherry black knot. Txawm li cas los xij, lawv yuav tsis kho cov kab mob thiab cov galls.
Tiv thaiv cov kab mob fungicides yuav tsum tau siv rau kev loj hlob tshiab nyob rau lub caij nplooj ntoo hlav txog rau lub caij ntuj sov. Nws kuj tseem yuav yog ib qho tseem ceeb kom tsis txhob cog tsob ntoo ornamental lossis noj tau cherries ze ntawm qhov chaw uas muaj ntau hom tsiaj qus Prunus.
Txawm hais tias cov tshuaj tua kab mob tsis tuaj yeem kho cov kab mob ntawm cov kab mob cherry black knot, cov galls no tuaj yeem raug tshem tawm los ntawm pruning thiabtxiav. Qhov no yuav tsum tau ua thaum lub caij ntuj no thaum tsob ntoo dormant. Thaum txiav tawm cherry dub knot galls ntawm ceg, tag nrho ceg yuav tsum tau txiav tawm. Yog tias koj tuaj yeem tshem tawm cov gallbladder yam tsis tau txiav tag nrho cov ceg, txiav ib qho ntxiv 1-4 ntiv tes (2.5-10 cm.) nyob ib ncig ntawm lub gall kom paub meej tias koj kis tau tag nrho cov ntaub so ntswg.
Galls yuav tsum raug tua tam sim ntawd tom qab tshem tawm. Tsuas yog cov arborists tau ntawv pov thawj yuav tsum sim tshem tawm cov galls loj loj hlob ntawm lub cev ntawm cov ntoo cherry.
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