2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Lub caij nplooj ntoos hlav cherry blossoms yog ib qho cim qhia tias cov txiv hmab txiv ntoo muaj kua, ci, qab ntxiag sai sai ntawm lawv txoj kev. Nplooj ntawv tsuas yog tib lub sijhawm lossis sai tom qab. Yog hais tias nplooj ntawm koj tsob ntoo cherry yog mottled daj nrog necrotic lesions, cov no tej zaum yuav necrotic rusty mottle tsos mob. Tus kab mob necrotic rusty mottle yog dab tsi? Nws tsis paub tias dab tsi ua rau tus kab mob no, tab sis nws zoo li kis tau maj mam hauv cov vaj txiv hmab txiv ntoo, muab qee lub sijhawm tswj tau yog tias tus kab mob no tau kuaj pom ntxov txaus.
Necrotic Rusty Mottle Virus yog dab tsi?
Necrotic rusty mottle hauv cherries tsis yog ib qho teeb meem tshwm sim. Txawm li cas los xij, nws tuaj yeem tshwm sim hauv cov txiv hmab txiv ntoo qab zib zoo li Portuguese laurel, uas tseem nyob hauv Prunus genus. Cov qoob loo poob tuaj yeem tshwm sim thiab lub zog ntawm tsob ntoo yog txo qis vim foliage poob. Tus kab mob no yog tus kab mob tab sis zoo ib yam li ntau yam kab mob fungal. Cov tshuaj tua kab mob yuav tsis pab, txawm li cas los xij, thiab tsob ntoo cherry nrog cov kab mob necrotic rusty mottle feem ntau tuag hauv 1 txog 2 xyoos.
Nplooj tsim cov kab mob xim av txog ib hlis tom qab tawg paj feem ntau, txawm hais tias tus kab mob tuaj yeem tshwm sim hauv buds thiab. Cov ntaub so ntswg uas muaj kab mob poob tawm ntawm nplooj, tawm hauv qhov txhaj tshuaj. Kab mob terminal buds yuav tsis qhib. Thaum kawg, nplooj yuav tuag thiab poob ntawm tsob ntoo.
Yog cov nplooj tseem txuas thiab tus kab mob kis qeeb, lawv tsim daj mottling. Cov tawv ntoo kuj tuaj yeem pom cov tsos mob ntawm qhov tsaus nti nrog cov kab mob sap deposits uas muaj xim sib sib zog nqus thiab tuab. Kev defoliation thoob plaws feem ntau tshwm sim hauv cov ntoo cherry nrog cov kab mob necrotic rusty mottle, ua rau tsob ntoo noj qab haus huv.
Dab tsi ua rau Necrotic Rusty Mottle Virus hauv Cherries?
Tus neeg sawv cev ua rau muaj tseeb tsis tau txheeb xyuas dhau ntawm nws qhov kev faib ua tus kab mob. Nws tseem tsis tau paub tias tus kab mob no yog dab tsi uas qhia txog tus kab mob, tab sis nws yog tus kab mob hauv tsev neeg Betaflexviridae.
Tus kab mob no tau pom nyob hauv North America, Chile, Europe, Nyiv, Tuam Tshoj, thiab New Zealand. Tus kab mob tuaj yeem kis tau yooj yim nyob rau hauv cov xwm txheej orchard thiab txias, caij nplooj ntoos hlav huab cua ua rau cov tsos mob necrotic rusty mottle. Tus kab mob no kuj paub tias kis tau los ntawm cov kab mob los yog graft ntoo. Muaj resistant cultivars.
Controlling Rusty Mottle Virus
Kev qhia nrawm nrawm thaum ntxov ntawm lub caij nyoog yog qhov tseem ceeb. Kev tshem tawm cov nplooj uas muaj cov cim qhia ntawm cankers lossis mottling yuav tsum tau muab tshem tawm thiab rhuav tshem. Ntxuav cov nplooj poob, kab mob nyob ib ncig ntawm tsob ntoo.
Siv cov cultivars resistant thiab zam Lambert thiab Corum, uas yog heev raug rau rusty mottle virus. Nruab tsuas muaj ntawv pov thawj kab mob-kuaj, tsob ntoo tsis muaj kab mob. Hmoov tsis zoo, hauv cov vaj txiv hmab txiv ntoo tuaj yeem kis mus rau yuav luag txhua tsob ntoo thiab lawv yuav tsum tau muab tshem tawm.
Tsis muajteev tshuaj lom neeg lossis kev tswj hwm ntuj.
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