2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Peb cov uas loj hlob thiab saib xyuas cov roses feem ntau ntsib cov xim dawb dawb ntawm peb cov nroj tsuag nplooj, stems thiab qee zaum buds. Cov tshuaj no yog powdery mildew, paub rau cov kws txawj li Sphaerotheca pannosa var. rosae. Cov kab mob mildew tshwm sim ntau dua li qhov peb xav tau, tshwj xeeb tshaj yog nyob rau hauv cov huab cua ntub lossis qhov chaw ntub dej.
Yog tias koj xav tias koj tab tom pom cov kab mob pwm ntawm koj cov roses, siv sijhawm ob peb feeb los kawm vim li cas nws nyob ntawd thiab yuav ua li cas txog nws.
Identifying Powdery Mildew ntawm Roses
Powdery mildew zoo li nws suab - zoo li cov hmoov zoo, cov hmoov mos uas nchuav rau ntawm koj cov nroj tsuag. Nws yog ib qho tseem ceeb kom tsis tu ncua xyuas koj cov paj ntoo ntawm ob sab ntawm nplooj, nrog rau cov stems. Cov fungus no tuaj yeem kis tau los ntawm nplooj mus rau stems, thiab txawm mus rau buds lawv tus kheej. Qhov phem tshaj, nws tuaj yeem kis mus rau lwm cov nroj tsuag nyob ze.
Moisture yog ib puag ncig tus phooj ywg rau sawv powdery mildew. Nws pab cov fungus taug kev los ntawm ib feem ntawm cov nroj tsuag mus rau lwm qhov. Powdery mildew fungus tuaj yeem tsim kev puas tsuaj. Cov nplooj tshiab tshiab ntawm lub hav txwv yeem yog cov khoom noj txom ncauj uas nws nyiam, thiab nws lub xub ntiag tuaj yeem ua rau cov ntoo nplooj tuaj yeem deformed.
Sab laugTsis kho, sawv powdery mildew yuav tua cov rose buds, stunting thiab disfiguring lawv, thiab tiv thaiv lawv los ntawm qhib. Hnub sov, qhuav tom qab txias, tsaus ntuj yog qhov zoo tshaj plaws rau kev kis kab mob pwm.
Powdery Mildew Rose Treatment
Nco ntsoov koj txiav cov nplooj uas koj tuaj yeem ua tau thiab muab pov tseg. Xyuas kom tag nrho cov nplooj tuag, stems thiab decaying teeb meem raug tshem tawm ntawm Bush thiab nyob ib ncig ntawm nws lub hauv paus. Rose bushes xav tau qee qhov cua kom dhau los ntawm lawv, yog li yog tias lawv tau loj hlob bushy thiab bunchy, koj yuav tsum ua me ntsis ntawm pruning.
Yog tias koj pom ib lub teeb pom kev ntawm cov kab mob pwm, koj tuaj yeem sim tshuaj tsuag nws nrog dej rau hnub sov, qhuav. Txawm li cas los xij, nws yog qhov zoo los saib xyuas nws, vim tias nws muaj ntau dua qhov yuav rov qab los.
Tej zaum txoj hauv kev zoo tshaj los tiv thaiv cov kab mob hauv nws cov kab yog kho koj cov roses nrog neem roj. Lwm cov khoom lag luam organic hauv kev ua lag luam uas muaj cov poov tshuaj bicarbonate muaj txiaj ntsig zoo thiab. Muaj cov zaub mov txawv hauv tsev muaj nyob hauv Is Taws Nem, xws li kev sib xyaw ntawm cov tshuaj ntxuav tais diav, roj ua noj thiab ci dej qab zib, tab sis lawv tuaj yeem hnyav thiab nthuav tawm qhov txaus ntshai rau cov nroj tsuag. Neem roj yog tej zaum qhov kev nyab xeeb tshaj plaws.
Ib txwm dej koj cov roses ntawm av. Dej los ntawm sprinklers yuav zaum nyob rau hauv thiab ntawm nplooj thiab buds, uas txhawb powdery mildew. Tsis tas li ntawd, nco ntsoov thaum koj cog koj cov roses uas lawv nyiam hnub ci. Sim tsis txhob cog rau hauv ib qho chaw uas muaj neeg coob coob los yog ntxoov ntxoo.
Rose Resistant rau Powdery Mildew
Muaj qee yam ntawm roses uas zoo li nyiampowdery mildew. Thaum koj mus yuav cov roses, sim xaiv cov hom uas tiv taus kab mob ntau dua. Muaj qhov kev xaiv no tsis tau txhais hais tias koj lub hav txwv yeem yuav tsis cog lus powdery mildew, tab sis nws yuav tsawg dua.
Yog tias koj tab tom yuav khoom los ntawm cov ntawv teev npe lossis chaw zov me nyuam hauv zos, nug tus kws tshaj lij thiab nrhiav cov ntawv sau txog cov nroj tsuag tiv thaiv kab mob.
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