2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Cov kab mob scorch ntawm pecans yog ib yam kab mob tshwm sim nyob rau sab qab teb sab hnub tuaj United States xyoo 1972. Scorch ntawm pecan nplooj yog thawj zaug xav tias yog kab mob fungal tab sis xyoo 2000 nws raug txheeb xyuas tias yog kab mob kab mob. Tus kab mob no tau kis mus rau lwm qhov chaw hauv Teb Chaws Asmeskas, thiab thaum pecan kab mob nplooj scorch (PBLS) tsis tua cov ntoo pecan, nws tuaj yeem ua rau poob loj. Kab lus hauv qab no tham txog cov tsos mob thiab kev kho mob rau tsob ntoo pecan nrog cov kab mob nplooj scorch.
Cov tsos mob ntawm tsob ntoo Pecan nrog cov kab mob nplooj Scorch
Pecan kab mob nplooj scorch cuam tshuam ntau tshaj 30 cultivars nrog rau ntau yam ntoo. Scorch on pecan nplooj manifests raws li ntxov ntxov defoliation thiab txo nyob rau hauv ntoo loj hlob thiab kernel hnyav. Cov nplooj hluas tig daj los ntawm lub taub thiab cov npoo mus rau nruab nrab ntawm nplooj, nws thiaj li browning tag nrho. Tsis ntev tom qab cov tsos mob tshwm sim, cov nplooj me me poob. Tus kab mob no tuaj yeem pom ntawm ib ceg lossis ua rau tag nrho tsob ntoo.
Cov kab mob nplooj scorch ntawm pecans tuaj yeem pib thaum ntxov caij nplooj ntoos hlav thiab nyhav dhau los ua kev puas tsuaj ntau dua li lub caij ntuj sov. Rau cov neeg cog hauv tsev, tsob ntoo cuam tshuam nrog PBLS tsuas yog qhov tsis zoo, tab sis raukev lag luam cog qoob loo, kev lag luam poob tuaj yeem yog qhov tseem ceeb.
PBLS yog tshwm sim los ntawm cov kab mob ntawm cov kab mob Xylella fastidiosa subsp. multiplex. Tej zaum nws yuav tsis meej pem nrog pecan scorch mites, lwm yam kab mob, teeb meem khoom noj khoom haus, thiab dej qhuav. Pecan scorch mites tuaj yeem pom tau yooj yim nrog lub lens tes, tab sis lwm yam teeb meem yuav tsum tau sim ua kom paub meej lossis tsis lees paub lawv qhov muaj.
Kev kho mob Pecan Bacterial Leaf Scorch
Ib zaug ib tsob ntoo tau kis kab mob scorch, tsis muaj kev kho mob zoo. Tus kab mob no zoo li tshwm sim ntau zaus hauv qee cov cultivars dua li lwm tus, txawm li cas los xij, txawm tias tam sim no tsis muaj cov cultivars resistant. Barton, Cape Ntshai, Cheyenne, Pawnee, Rome, thiab Oconee yog txhua tus raug tus kab mob no.
Kab mob nplooj scorch ntawm pecans tuaj yeem kis tau ob txoj hauv kev: los ntawm kev kis kab mob lossis los ntawm qee yam xylem pub kab (leafhoppers thiab spittlebugs).
Vim tias tsis muaj txoj kev kho mob zoo nyob rau lub sijhawm no, qhov kev xaiv zoo tshaj plaws yog txo qis qhov tshwm sim ntawm pecan nplooj scorch thiab ncua nws cov lus qhia. Qhov ntawd txhais tau tias yuav cov ntoo uas muaj ntawv pov thawj tsis muaj kab mob. Yog ib tsob ntoo zoo li muaj nplooj scorch, rhuav tshem tam sim ntawd.
Nyob tsob ntoo uas yuav siv rau hauv paus cag yuav tsum tau tshuaj xyuas seb puas muaj cov tsos mob ntawm tus kab mob ua ntej grafting. Thaum kawg, tsuas yog siv scions los ntawm cov ntoo uas tsis muaj kab mob. Saib xyuas tsob ntoo thoob plaws lub caij cog qoob loo ua ntej sau cov scion. Yog hais tias ntoo rau grafting los yog sau ntawm scions tshwmkis kab mob, rhuav tshem tsob ntoo.
Pom zoo:
Tseem Tsob Ntoo Caij Nplooj Ntoos Zeeg - Tsob Ntoo Tsob Ntoo Thiab Tsob Ntoo Tsob Ntoo Hauv Caij Nplooj Ntoos Hlav
Cov tsob ntoo thiab tsob ntoo twg zoo dua nrog kev cog caij nplooj ntoos hlav? Nyeem rau kom paub txog dab tsi cog rau lub caij nplooj ntoo hlav nrog rau qee cov lus qhia txog kev cog ntoo
Txhob Tsob Ntoo Tsob Ntoo Tsob Ntoo Tsob Ntoo Tsob Ntoo Tsob Ntoo Tsob Ntoo
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Tsis muaj txiv hmab txiv ntoo ntawm koj tsob txiv nkhaus taw? Muaj ntau yam laj thawj rau tsob ntoo guava tsis fruiting. Yog koj nyob ib sab ntawm koj tus kheej vim koj muaj tsob ntoo guava uas tsis muaj txiv hmab txiv ntoo, ua pa tob tob thiab nyem qhov kab lus no kom paub seb yuav ua li cas kom tau tsob txiv pos nphuab los ua txiv
Nkauj Tsob Ntoo Tsob Ntoo Rau Zone 9 - Xaiv Tsob Ntoo Tsob Ntoo Tsob Ntoo 9
Tib neeg feem ntau xav txog cov ntoo ntoo me me, me me, ornate patio hom ntoo thaum, qhov tseeb, qee cov ntoo ntoo rau thaj tsam 9 tuaj yeem loj heev. Nyem qhov no kom paub ntau ntxiv txog cov ntoo uas paj hauv cheeb tsam 9 thiab nrhiav cov lus qhia ntawm cov hom uas koj tuaj yeem loj hlob hauv cheeb tsam no
Tshuav Teeb Tsob Ntoo Tsob Ntoo Tsob Ntoo - Vim Li Cas Ib Tsob Ntoo Tsob Ntoo
Yikes! Kuv lub tsev cog tau poob nplooj! Houseplant nplooj poob tsis yog ib txwm yooj yim rau kev kuaj mob, vim muaj ntau qhov laj thawj rau qhov teeb meem uas txhawj xeeb no. Nyem rau kab lus no kom paub yuav ua li cas thaum nplooj poob tawm hauv tsev