2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Barley yog ib qho ntawm cov qoob loo loj tshaj plaws. Nws tsis tau tsuas yog siv los ua khoom noj rau tib neeg nkaus xwb tab sis rau tsiaj noj zaub mov thiab cawv ntau lawm. Nplooj xeb ntawm barley yuav muaj kab mob ua haujlwm txij li thaum nws cog qoob loo nyob ib puag ncig 8,000 BC. Cov kab mob fungal no tuaj yeem tsim kev puas tsuaj rau cov nroj tsuag. Kawm yuav ua li cas tiv thaiv barley nplooj xeb thiab tau txais txiaj ntsig loj ntawm cov nroj tsuag noj qab haus huv.
Barley Leaf Rust Info
Raws li barley nplooj xeb cov ntaub ntawv, cov hom kab mob fungal no zoo li yog tus tswv tsev tshwj xeeb. Qhov ntawd txhais tau hais tias barley nplooj xeb tsuas yog tshwm sim ntawm barley thiab ib qho ntawm nws tsev neeg. Nws yog kab mob lig caij nplooj ntoos hlav tuaj yeem ua rau qoob loo poob. Cov kab mob keeb kwm ntawm xyoo 1900 thiab 1950s kis kab mob qoob loo hauv Teb Chaws Asmeskas thiab hauv Canada. Teb Chaws Asmeskas poob yog nyob rau hauv Midwest thiab Great Plains xeev. Niaj hnub no, zoo barley nplooj xeb tswj muaj tshwm sim thiab loj-scale qoob loo puas tsis muaj ntau.
Barley nplooj xeb tshwm sim hauv xyoo nrog cov av noo siab thiab tsis tshua muaj caij nplooj ntoos hlav. Nws yog qhov tshwj xeeb tshaj yog nyob rau hauv cov qoob loo uas tau cog lig. Cov tsos mob yog me me, txiv kab ntxwv pawg nrog lub teeb halo ntawm nplooj nplooj. Cov pawg no yog cov spores, uas yog windblown rauLwm cov nroj tsuag.
Qhov kub zoo tshaj plaws rau spores kom loj hlob yog 60 txog 72 degrees Fahrenheit (16 txog 22 C.). Cov spores tuaj yeem ua rau kis kab mob thib ob thaum lub sijhawm no ntawm 7- mus rau 10-hnub lub sijhawm. Thaum muaj kev cuam tshuam loj heev, cov ntoo sheaves yuav tshwm sim thiab cov nroj tsuag yuav tuag.
Barley nplooj xeb tswj
Muaj ob peb cultivars uas tiv taus nplooj xeb ntawm barley. Ib tus kws tshawb fawb hauv University of Queensland, Dr. Lee Hickey, tau nthuav tawm cov noob uas muaj kev tiv thaiv kab mob, nrog rau cov kab mob pwm. Hauv qee thaj chaw, Lub Hnub Qub ntawm Npelehees cog harbors cov spores thiab yuav tsum tau muab tshem tawm kom deb ntawm barley teb.
Cov tub ntxhais hluas, cog qoob loo ntawm tus kheej yuav tsum tau muab tshem tawm, vim lawv muab qhov chaw rau cov kab mob xeb kom ciaj sia. Kev tshem tawm yog qhov tseem ceeb tshwj xeeb thaum lub caij ntuj sov ntub. Kev sib nrug thiab kev saib xyuas kab lis kev cai zoo kuj yog tus yuam sij rau kev tiv thaiv thiab kho barley nplooj xeb.
Feem ntau ntawm barley zus niaj hnub no yog los ntawm resistant hom. Heirloom ntau yam yog cov kab mob ntau dua, vim lawv tsis muaj kev tawm tsam rau cov fungus. Foliar fungicides muab kev tiv thaiv zoo tshaj plaws. Lawv yuav tsum tau siv rau thawj lub cim ntawm qhov txhab. Xwb, koj tuaj yeem siv cov kab mob fungicides ntawm tillering thiab heading.
Hmoov tsis zoo, kab mob xeb feem ntau hloov mus rau hauv ib haiv neeg tshiab, yog li ua haujlwm li cas rau ib lub caij yuav tsis ua haujlwm tom ntej. Kev ceev faj yog qhov tseem ceeb rau kev tswj tus kab mob no, ib yam li kev siv cov cultivars resistant, uas yuav txo tau txoj kev pheej hmoo ntawm fungus mutating.
Pom zoo:
Teas Zoo Tshaj Plaws Los Tiv Thaiv Kab Mob - Tshuaj Ntsuab Tshuaj Tiv Thaiv Kab Mob
Teas los tua cov kab mob tej zaum yuav yog koj thawj kab ntawm kev tiv thaiv nyob rau lub sijhawm muaj mob hnyav. Kawm txog kev siv tshuaj ntsuab tshuaj ntsuab rau kev noj qab haus huv ntawm no
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