Kab Mob Dogwood: Yuav Ua Li Cas Pom Thiab Kho Lawv

Cov txheej txheem:

Kab Mob Dogwood: Yuav Ua Li Cas Pom Thiab Kho Lawv
Kab Mob Dogwood: Yuav Ua Li Cas Pom Thiab Kho Lawv
Anonim

Dogwoods (Cornus), tseem hu ua hornbush, yog tsob ntoo lossis ntoo me me uas tsis yog cov nplooj muaj xim zoo nkauj nyob rau lub caij nplooj zeeg, tab sis kuj muaj xim tawv tawv. Kwv yees li ntawm 55 hom tsiaj paub tshwm sim feem ntau hauv huab cua sov thoob plaws sab qaum teb hemisphere thiab suav tias muaj zog heev. Kab mob thiab kab tsuag tsuas yog tshwm sim tsis tshua muaj nyob hauv dogwood thiab feem ntau tsuas yog tshwm sim los ntawm qhov chaw tsis zoo lossis kev saib xyuas tsis raug.

Dogwood pests
Dogwood pests

Cov kab mob dab tsi tuaj yeem cuam tshuam rau dogwood thiab yuav kho li cas?

Dogwood tuaj yeem cuam tshuam los ntawm cov kab mob xws li anthracnose, powdery mildew thiab mealybugs. Txhawm rau kho tus kab mob dogwood, koj yuav tsum tau txiav cov kab mob rov qab ntawm cov nroj tsuag, siv cov tshuaj tua kab mob lossis cov tshuaj hauv tsev thiab siv cov kev tiv thaiv.

Anthracnose feem ntau ua rau tuag

Dab tsi yog qhov txaus ntshai tshwj xeeb yog anthracnose, tseem hu ua nplooj xim av, uas yog tshwm sim los ntawm cov kab mob phem Discula destructiva thiab feem ntau tshwm sim tom qab lub caij ntuj sov los nag heev. Nyob rau hauv thawj theem, tus kab mob yog pom los ntawm cov nplooj nplooj xim av thiab nplooj me ntsis thiab thaum kawg ua rau necrosis ntawm cov tua thiab twigs. Yog tias tsis kho, tus kab mob no ib txwm ua rau kev tuag ntawm tus dev cuam tshuam, txawm hais tias fungicides feem ntau tsis pab. Tib txoj kev kho kom zoo yog txhawm rau txiav rov qab cov kab mob ntawm cov nroj tsuag, tob rau hauv cov ntoo noj qab haus huv.

Tiv thaiv nplooj nplooj daj

Txawm li cas los xij, koj tuaj yeem tiv thaiv cov nplooj daj los ntawm kev ua raws li cov cai hauv qab no:

  • Ua ntsuas pruning tsuas yog thaum huab cua qhuav thiab tshav ntuj xwb.
  • Ib txwm ua haujlwm nrog cov cuab yeej ntse thiab tshuaj tua kab mob.
  • Txhua qhov kev txiav txim loj dua nrog tus neeg sawv cev kaw qhov txhab.
  • Dej qhuav heev.
  • Tsis txhob ntub nplooj.
  • Txhob zam dhau kev fertilization - tshwj xeeb tshaj yog nrog nitrogen.

Powdery mildew tuaj yeem kho tau yooj yim

Powery mildew - tseem hu ua "cov huab cua ncaj ncees fungus" - tshwm sim hauv huab cua sov thiab tshav ntuj thiab pom pom los ntawm greasy, whiteish-greyish fungal loj hlob ntawm nplooj thiab tua. Hmoov zoo, cov kab mob no tuaj yeem tswj tau zoo heev, thiab cov fungicides tsis yog tib qho uas tau ua pov thawj zoo. Hloov chaw, koj tuaj yeem txau cov ntoo dogwood nrog cov sib tov ntawm (tsawg-txiv qaub, tab sis tsis tas yuav dej nag!) dej thiab mis nyuj tag nrho hauv qhov sib piv ntawm 10: 1, txawm hais tias qhov ntsuas no yuav tsum tau ua ob peb hnub ua ke. Cov nroj tsuag muaj kab mob yuav tsum tau txiav tawm kom dav thiab muab pov tseg nrog tsev neeg pov tseg.

Ua cov kab mob tsis muaj mob nrog cov roj rapeseed

Mealybugs feem ntau tsuas yog paub tau thaum tag nrho lub hav txwv yeem daig thiab suav tsis txheeb cov ntsaum tau sau rau ntawm nws. Cov tsiaj tawv tawv mini nqus tawm cov kua txiv hmab txiv ntoo thiab tshem tawm cov kua qab zib, honeydew. Kev tswj hwm yog ua los ntawm kev siv tshuaj lom neeg siv cov kab mob cab lossis pob ntseg - cov yeeb ncuab ntuj ntawm mealybugs - lossis los ntawm kev niaj hnub txau tag nrho cov hav txwv yeem nrog cov roj rapeseed.

Tip

Incidentally, powdery mildew overwinters ntawm nplooj uas tau poob rau lub caij nplooj zeeg, kom cov fungus tuaj yeem tua cov dogwood dua lub caij nplooj ntoo hlav tom ntej. Yog li ntawd, tom qab muaj kab mob, koj yuav tsum nco ntsoov rake tag nrho cov nplooj thiab pov tseg ntawm lawv - ntawm chav kawm tsis nyob rau hauv lub compost.

Pom zoo: