Rhizoctonia Carnation Rot: Kho Carnations Nrog Rhizoctonia qia rot
Rhizoctonia Carnation Rot: Kho Carnations Nrog Rhizoctonia qia rot

Video: Rhizoctonia Carnation Rot: Kho Carnations Nrog Rhizoctonia qia rot

Video: Rhizoctonia Carnation Rot: Kho Carnations Nrog Rhizoctonia qia rot
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Muaj ob peb yam zoo siab raws li qhov qab zib, ntsim ntxhiab ntawm carnations. Lawv yog cov nroj tsuag yooj yim kom loj hlob tab sis tuaj yeem tsim qee qhov teeb meem fungal. Carnations nrog rhizoctonia qia rot, piv txwv li, yog ib qho teeb meem tshwm sim hauv cov av hnyav. Carnation rhizoctonia qia rot yog tshwm sim los ntawm cov kab mob hauv av thiab tuaj yeem kis tau yooj yim rau cov nroj tsuag tsis muaj kab mob, tshwj xeeb tshaj yog nyob rau hauv tsev cog khoom. Nyeem ntawv kom paub cov tsos mob thiab kev kho mob rau tus kab mob no.

Rhizoctonia Carnation Rot yog dab tsi?

YYog tias koj muaj cov nroj tsuag rotting carnation, koj yuav muaj cov fungus, rhizoctonia. Qhov qia rot ntawm carnations tuaj yeem tiv thaiv tau los ntawm kev siv cov av sterilized, tab sis cov fungus feem ntau reinvades. Nws yog qhov nthuav dav tshaj plaws nyob rau hauv sov, noo noo, tsuas yog thaum koj cov nroj tsuag blooms. Nws tuaj yeem tua cov nroj tsuag hauv cov kab mob hnyav thiab cov xwm txheej zoo. Thaum rhizoctonia carnation rot tshwm sim, kev kho mob yuav ua tsis tau zoo.

Cov fungus lub luag haujlwm overwinters hauv av. Nws tawm tsam ntau yam ornamental thiab qoob loo. Cov fungus yuav kis tau los ntawm fungus gnats tab sis kuj txav ntawm cua thiab kis tau los ntawm cov khaub ncaws thiab cov cuab yeej. Tsuas yog me ntsis ntawm mycelia lossis sclerotia txauskom kis tau cov nroj tsuag noj qab nyob zoo.

Tus kab mob kuj tuaj yeem los ntawm qia txiav ntawm cov nroj tsuag kab mob. Nyob rau hauv cov cheeb tsam uas muaj av noo siab, moist av thiab sov sov, carnation rhizoctonia qia rot yog tshwj xeeb tshaj yog puas.

Cov tsos mob ntawm Carnations nrog Rhizoctonia qia Rot

Thawj cov cim yuav wilting, nplooj daj uas tuaj yeem ua rau ntau yam kab mob. Rotting carnation nroj tsuag tej zaum yuav muaj mycelia los yog greyish dub rot ntawm cov av kab. Cov fungus txiav tawm cov dej thiab cov as-ham ntawm qia, zoo girdling cov nroj tsuag thiab tua nws.

Stem rot on carnations tsis cuam tshuam cov cag tab sis yuav ua rau cov nroj tsuag tshaib plab thiab nqhis dej. Yog tias cov nroj tsuag cog ze, cov kab mob kis tau yooj yim ntawm lawv thiab tuaj yeem tua lwm hom nroj tsuag.

Tiv thaiv Rhizoctonia Carnation Rot

Zoo li tsis muaj kev kho mob zoo ib zaug cov nroj tsuag muaj fungus. Rub thiab rhuav tshem cov nroj tsuag kab mob. Tshawb xyuas cov chaw zov me nyuam kom zoo ua ntej nqa lawv mus tsev. Kev tiv thaiv yog los ntawm kev ua kom tsis muaj menyuam ntawm cov cuab yeej thiab ntim khoom, siv cov av tsis muaj menyuam thiab cov av fungal drenches.

Yog tias tus kab mob tau tshwm sim hauv txaj hauv lub caij dhau los, solarize cov av ua ntej cog. Koj tuaj yeem yooj yim ua qhov no nrog cov yas dub saum txaj rau ob peb lub hlis. Ntev npaum li ob peb ntiv tes (8 cm.) tau zoo thiab kub, cov kab mob tuaj yeem tua tau.

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