2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Dub walnuts yog ntoo tawv (Juglans nigra) uas tuaj yeem nce mus txog 100 ko taw (31 m.) thiab nyob tau ntau pua xyoo. Txhua tsob ntoo tuag ntawm qee qhov taw tes txawm tias tsuas yog los ntawm hnub nyoog laus xwb. Black walnuts kuj raug rau cov kab mob thiab kab tsuag uas tuaj yeem tua tau lawv txhua lub hnub nyoog. "Puas yog kuv tus walnut dub tuag," koj nug? Yog hais tias koj xav paub yuav ua li cas qhia yog hais tias ib tug dub walnut yog tuag los yog tuag, nyeem rau. Peb yuav muab cov ntaub ntawv qhia rau koj txog kev txheeb xyuas tsob ntoo walnut dub tuag.
Puas yog Kuv Dub Walnut Tuag?
Yog koj nug koj tus kheej seb koj tsob ntoo zoo nkauj tam sim no puas yog tsob ntoo dub tuag lawm, yuav tsum muaj tsob ntoo tsis zoo. Txawm hais tias nws yuav nyuaj rau txiav txim siab tias qhov twg yog qhov tsis raug, nws yuav tsum tsis txhob nyuaj dhau los qhia tias tsob ntoo puas tau tuag los tsis yog.
Yuav ua li cas qhia tau tias tus txiv ntoo dub tuag? Qhov yooj yim tshaj plaws los txiav txim qhov no yog tos kom txog thaum lub caij nplooj ntoos hlav thiab pom tias muaj dab tsi tshwm sim. Ua tib zoo saib cov cim ntawm kev loj hlob tshiab xws li nplooj thiab tua tshiab. Yog tias koj pom kev loj hlob tshiab, tsob ntoo tseem muaj sia nyob. Yog tsis yog, yuav tuag.
Xaiv tus tuag dub Walnut Ua ntej lub caij nplooj ntoos hlav
Yog tias koj tsis tuaj yeem tos txog lub caij nplooj ntoo hlav los txiav txim seb koj tsob ntoo puas tseem nyob, ntawm no yog ob peb qhov kev sim koj tuaj yeem sim. Flex cov ceg me me ntawm tsob ntoo. Yog tias lawv khoov tau yooj yim, lawv feem ntau yuav muaj sia nyob, uas qhia tau tiastias tsob ntoo tsis tuag.
Lwm txoj hauv kev los xyuas seb koj tsob ntoo puas tuag yog khawb rov qab cov tawv ntoo ntawm cov ceg hluas. Yog tias tsob ntoo tawv tawv, nqa nws thiab saib cov txheej cambium hauv qab. Yog ntsuab, tsob ntoo ciaj sia.
Dying Black Walnut and Fungal Disease
Dub walnuts yog drought thiab kab tsuag tiv taus, tab sis lawv tuaj yeem raug puas los ntawm ntau tus neeg sawv cev sib txawv. Ntau cov ntoo walnut dub tau raug tua los ntawm ntau txhiab tus kab mob cankers. Nws tshwm sim los ntawm kev sib xyaw ntawm cov kab tho txawv hu ua walnut twig beetles thiab fungus.
Cov kab kab kab nkag mus rau hauv cov ceg ntoo thiab lub cev ntawm cov ntoo walnut, nqa spores ntawm canker tsim cov kab mob, Geosmithia morbidato. Cov fungus kis rau tsob ntoo ua rau cov kab mob uas tuaj yeem khi cov ceg thiab pob tw. Tsob ntoo tuag ob mus rau tsib xyoos.
Yuav kom paub seb koj tsob ntoo puas muaj tus kab mob no, ua tib zoo saib tsob ntoo. Koj puas pom kab borer qhov? Nrhiav cov cankers ntawm tsob ntoo tawv ntoo. Ib qho kev tshwm sim ntxov ntawm txhiab tus kab mob cankers yog ib feem ntawm cov canopy tsis ua haujlwm tawm.
Lwm cov cim ntawm kev tuag Black Walnut
Tshuaj xyuas tsob ntoo kom tev tawv ntoo. Txawm hais tias walnut bark feem ntau yog shaggy, koj yuav tsum tsis txhob muaj peev xwm rub tau cov tawv ntoo kom yooj yim heev. Yog koj ua tau, koj saib tsob ntoo tuag.
Thaum koj pib rub rov qab cov tawv ntoo, koj tuaj yeem pom nws twb tau tev rov qab, nthuav tawm cov txheej cambium. Yog hais tias nws raug rub rov qab mus rau tag nrho txoj kev nyob ib ncig ntawm tsob ntoo, nws yog girdled, thiab koj tsob ntoo walnut tuag. Ib tsob ntoo tsis tuaj yeem nyob tshwj tsis yog cov txheej cambium tuaj yeem thauj dej thiabcov as-ham los ntawm nws cov hauv paus hniav mus rau lub canopy.
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