Forsythia Phomopsis Gall - Cov Tswv Yim Rau Kho Galls Ntawm Forsythia Shrubs

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Forsythia Phomopsis Gall - Cov Tswv Yim Rau Kho Galls Ntawm Forsythia Shrubs
Forsythia Phomopsis Gall - Cov Tswv Yim Rau Kho Galls Ntawm Forsythia Shrubs

Video: Forsythia Phomopsis Gall - Cov Tswv Yim Rau Kho Galls Ntawm Forsythia Shrubs

Video: Forsythia Phomopsis Gall - Cov Tswv Yim Rau Kho Galls Ntawm Forsythia Shrubs
Video: Forsythia Stem Gall 2024, Tej zaum
Anonim

Forsythia shrubs paub zoo rau lawv txoj kev zoo nkauj thiab lub siab tawv, tab sis txawm tias qhov tawv tshaj plaws ntawm cov nroj tsuag no tuaj yeem ua mob rau ntawm phomopsis galls. Nyeem ntxiv kom paub seb yuav tswj cov kab mob tsis zoo no li cas.

Phomopsis Gall on Forsythia

Cov paj daj daj ntawm lub caij nplooj ntoo hlav forsythia, tab sis thaum koj cov ntoo loj tuaj txawv txav ntawm lawv cov ceg, nws tsis yog qhov zoo siab pib rau lub caij. Galls tsis yog teeb meem tsis tshua muaj tshwm sim rau cov ntoo ntoo thiab ntoo, tab sis tsis zoo li feem ntau cov galls, forsythia phomopsis gall yog tshwm sim los ntawm cov kab mob hnyav.

Tus kab mob Phomopsis spp. Nws yog lub luag haujlwm rau qhov tsis xwm yeem o uas tshwm sim thoob plaws cov nroj tsuag forsythia. Cov galls no feem ntau yog 1 mus rau 2 ntiv tes (2.5-5 cm.) nyob rau hauv txoj kab uas hla, noticeably puag ncig, thiab muaj ib tug ntxhib ntxhib ntxhib los mos zoo nkauj. Nws yog ib qho yooj yim los ua yuam kev rau cov galls tshwm sim los ntawm kab los yog mites, txawm li cas los xij, txiav rau hauv lawv yog qhov tsim nyog rau kev kuaj mob kom raug. Thaum koj txiav los ntawm phomopsis gall, nws yuav muaj zog thoob plaws, tsis zoo li lwm cov galls uas muaj cov chav los yog muaj pov thawj ntawm tho txawv hauv.

Tus kab mob pib tshwm sim thaum cov kab mob fungal tsaws ntawm qhov raug mob tshiab forsythia thaum huab cua ntub. Muaj qee qhov pov thawj tiascov spores no tuaj yeem kis tau ntawm cov nroj tsuag ntawm cov cuab yeej qias neeg. Yog hais tias koj tau txais ib tug forsythia qhia cov tsos mob ntawm galls, xyuas kom meej tias koj sterilize koj pruners ntawm kev txiav nyob rau hauv ib tug tov ntawm bleach dej, tov ntawm ib tug 1:10 tshuaj dawb mus rau dej ratio.

Tsis zoo li kab kab, xaiv tsis quav ntsej phomopsis galls yog qhov yuam kev loj - lawv tuaj yeem tua tau ib feem ntawm forsythia tsis muaj zog, ua rau tag nrho poob thiab tuag.

Forsythia Gall Treatment

Vim tias phomopsis gall fungus tsis overwinter nyob rau hauv cov khib nyiab zoo li ntau cov fungi, es tsis txhob dai rau hauv lub galls raws li ib tug active kab mob, muaj kev pheej hmoo ntawm kis tus kab mob no txhua xyoo. Saib xyuas qhov kev loj hlob tshiab ntawm koj cov forsythia, tshwj xeeb tshaj yog tias lawv tau cog rau hauv thaj chaw uas twb tau pom muaj cov kab mob gall.

Kho galls ntawm forsythia tsis ua tau; tib yam uas koj ua tau thaum lawv tshwm sim yog tshem lawv kom huv si. Txiav cov kab mob tawm ntawm 4 mus rau 6 ntiv tes (10-15 cm.) hauv qab qhov o, thiab tam sim ntawd rhuav tshem cov kab mob los ntawm kev kub hnyiab los yog muab ob npaug rau hauv hnab yas. Ib txwm xyaum ua kev huv huv zoo thaum ua haujlwm nyob ib puag ncig phomopsis galls kom tsis txhob kis mus ntxiv.

Pom zoo: