Asters zoo siab rau lub caij nplooj zeeg nrog qhov sib txawv ntawm cov paj yeeb yuj thiab cov nplooj ntsuab tsaus. Txawm li cas los xij, yog tias cov nplooj tau txais cov xim dawb, qhov zoo nkauj dhau sai. Qhov ua rau ntawm qhov no yog powdery mildew, uas hmoov tsis tshwm sim feem ntau ntawm lub caij nplooj zeeg asters.
Kuv yuav ua li cas thiaj tiv tau cov kab mob mildew ntawm asters?
Txhawm rau tiv thaiv cov kab mob powdery mildew ntawm asters, txiav tawm cov nroj tsuag kab mob ua siab zoo, tua kab mob rau koj cov secateurs thiab pov tseg cov nroj tsuag hauv tsev pov tseg. Tom qab ntawd tsuag cov asters nrog sib tov ntawm ib feem tag nrho cov mis nyuj thiab yim qhov dej.
Kuv yuav ua li cas thiaj paub cov kab mob mildew ntawm asters?
Powdery mildew yog kab mob fungal uas npog cov asters nrog ib tugdawb txheej. Thawj cov cim qhia ntawm kab mob tshwm sim nyob rau sab saum toj ntawm nplooj. Cov fungus ces kis mus rau stems thiab paj. Qhov kev pheej hmoo ntawm kis kab mob rau lub caij nplooj zeeg asters yog tshwj xeeb tshaj yog nyob rau hauv tshav ntuj huab cua thiab drought. Nws feem ntau tshwm sim tias tus kab mob fungal tshwm sim los ntawm ib hnub mus rau lwm qhov. Yog li ntawd, kev saib xyuas asters suav nrog kev kuaj xyuas txhua hnub kom koj tuaj yeem kuaj pom cov kab mob mildew thaum ntxov.
Kuv tuaj yeem ua dab tsi tiv thaiv kab mob mildew ntawm asters?
Yog hais tias muaj kab mob mildew,mam tam sim yog qhov tseem ceeb tshaj plaws. Ua raws li hauv qab no:
- Tau tag nrho cov nroj tsuag uas muaj kab mob generously.
- Disinfect cov secateurs (€ 14.00 ntawm Amazon) tom qab txhua txiav kom lawv tsis txhob ua ib tug kab mob fungal.
- Txhob ua siab deb tshem tawm cov kab mob loj heev.
- cov nroj tsuag kab mob (qhov chaw) tsis mus rau hauv cov chiv, tab sis mus rau hauv tsev pov tseg.
Tom qab txiav, tsuag cov asters nrog tshuaj hauv tsev ua los ntawm ib feem tag nrho cov mis nyuj thiab yim qhov dej. Rov ua dua kev kho mob tom qab ob peb hnub.
Kuv tuaj yeem tiv thaiv asters los ntawm mildew li cas?
Qhov kev tiv thaiv zoo tshaj plaws tiv thaiv mildew ntawm asters yogtsimhauv txaj lossis lauj kaub. Qhov no suav nrog kev ntsuas xws li:
- Tsis txhob cia cov av qhuav tag. Mildew tsis nyiam ya raws.
- Tsis txhob cog asters ze heev kom huab cua tuaj yeem ncig ntawm cov nroj tsuag perennials.
- Mulching lub txaj.
- Faib lub caij nplooj zeeg thiab lub caij ntuj sov asters txhua peb mus rau tsib xyoos thiab cog rau hauv qhov chaw tshiab.
- Yog tias tsim nyog, txheeb tawm cov nroj tsuag qub.
- Fertilize Autumn asters sparingly.
- Cov nroj tsuag dej tsuas yog hauv paus hauv paus - tsis tshaj nplooj.
Tip
Siv mildew-resistant ntau yam
Txhawm rau txo qhov kev pheej hmoo ntawm kev kis kab mob nrog cov kab mob mildew, nws raug nquahu kom siv cov aster ntau yam uas tsis tshua muaj tshwm sim los ntawm fungus. Rau cushion asters, piv txwv li, qhov no yog "Dwarf Sky" ntau yam. Ntawm cov nplooj asters du, "Lub Caij Nplooj Ntoos Hlav" yog suav tias yog resistant rau powdery mildew. Cov neeg nyiam ntawm nplooj asters ntxhib, piv txwv li, yuav tsum xaiv "Barr's Pink" ntau yam.
