Dub Spots On Rudbeckia Cog - Kho Spotted Leaves On Black Eyed Susan

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Dub Spots On Rudbeckia Cog - Kho Spotted Leaves On Black Eyed Susan
Dub Spots On Rudbeckia Cog - Kho Spotted Leaves On Black Eyed Susan

Video: Dub Spots On Rudbeckia Cog - Kho Spotted Leaves On Black Eyed Susan

Video: Dub Spots On Rudbeckia Cog - Kho Spotted Leaves On Black Eyed Susan
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Muaj ob peb lub paj zoo li lub qhov muag dub Susan- cov paj zoo nkauj thiab tawv tawv no ntes lub siab thiab lub siab ntawm cov neeg ua teb uas cog lawv, qee zaum hauv kev tsav tsheb. Tsis muaj ib yam dab tsi ua tsis tau zoo li thaj teb uas muaj cov paj ci ntsa iab, thiab tsis muaj dab tsi txaus ntshai li nrhiav pom qhov muag dub ntawm Susan. Txawm hais tias nws zoo li nws yuav tsum yog qhov ua rau muaj kev ceeb toom loj, feem ntau ntawm cov sij hawm pom cov nplooj ntawm lub qhov muag dub Susan tsuas yog kev ntxhov siab me me nrog kev kho yooj yim.

Black-Eyed Susan Spots

Cov pob dub ntawm Rudbeckia, tseem hu ua black-eyed Susan, muaj ntau heev thiab tshwm sim hauv feem pua ntawm cov pejxeem txhua xyoo. Muaj ntau yam ua rau, tab sis qhov tshwm sim ntau tshaj plaws nyob rau tam sim no yog kab mob fungal hu ua Septoria nplooj ntoos, kab mob ntawm txiv lws suav.

Cov tsos mob ntawm cov kab mob Rudbeckia nplooj ntoo yog qhov zoo sib xws, txawm li cas los xij, nws nyuaj rau qhov sib txawv ntawm lawv yam tsis muaj lub tshuab tsom. Hmoov zoo, tsis muaj ib qho ntawm cov nplooj ntoo no mob hnyav thiab tuaj yeem kho nrog cov tshuaj tib yam, ua kom paub ntau ntxiv ntawm kev txawj ntse tshaj li qhov tsim nyog.

Dub-eyed Susan me ntsis feem ntau pib me me, tsaus xim av qhov txhab uas loj hlob mus txog ¼ nti (6 hli.) dav rau lub caij ntuj sov. Spots yuav nyob twj ywm puag ncig lossis tsim ntau dua ntawm qhov pom zoo thaum lawv khiav mus rau hauv nplooj nplooj. Cov kab mob feem ntau pib ntawm nplooj nyob ze hauv av, tab sis sai sai ua haujlwm lawv txoj hauv kev nce cov nroj tsuag los ntawm cov dej txaug.

Cov pob no feem ntau yog kab mob kom zoo nkauj, txawm tias cov nroj tsuag muaj ntau nplooj kab mob tuaj yeem tuag rov qab me ntsis dua li cov nroj tsuag tsis muaj kab mob. Cov pob dub ntawm Rudbeckia tsis cuam tshuam nrog kev tawg paj.

Controlling Rudbeckia Nplooj Spot

Spotted nplooj ntawm dub-eyed Susan tshwm sim qhov twg fungal spores tau tso cai rau overwinter thiab tej yam kev mob yog tsim nyog rau reinfection nyob rau hauv lub caij nplooj ntoos hlav. Qhov sib nrug nruj, kev ywg dej ntau dhau, thiab cov av noo siab ua rau muaj kev sib kis ntawm cov kab mob nplooj - qhov xwm txheej ntawm cov nroj tsuag no ua rau tawg kab mob nyuaj.

Txhawm rau kom muaj qhov sib txawv kom zoo rau cov huab cua zoo, koj yuav tsum tau aggressively rub cov yub tuaj yeem pab dawb uas caij nplooj ntoos hlav los ntawm ntau cov noob Rudbeckia tsim thaum lub caij nplooj zeeg.

Tshem tawm cov nplooj ntoo yuav pab tau cog me me, vim tias nws tshem tawm qhov chaw spores, tab sis qhov no feem ntau siv tsis tau vim qhov xwm txheej ntawm cov paj ntoo. Yog tias koj tus Rudbeckia raug kev txom nyem los ntawm nplooj nplooj txhua lub caij, koj tuaj yeem txiav txim siab siv cov tshuaj tua kab mob tooj liab rau cov nroj tsuag thaum lawv tshwm sim thiab txuas ntxiv kho lawv raws sijhawm los tiv thaiv kab mob.

Dua, vim cov pob tsuas yog cov tshuaj pleev ib ce, qhov no yuav yog kev siv dag zog yog tias koj tsis mloog cov nplooj ntoo. Ntau tus neeg ua teb tsuas npaj lawv lub qhov muag dub Susans hauv pawg cog, yog li cov nplooj tsis tshua pom tseeb thaum lub caij ntuj sov zuj zus.

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