Kab mob Curl on the pear tree? Ua rau & Countermeasures

Cov txheej txheem:

Kab mob Curl on the pear tree? Ua rau & Countermeasures
Kab mob Curl on the pear tree? Ua rau & Countermeasures
Anonim

Cov nplooj ntsuab yooj yim ntawm tsob ntoo pear tuaj yeem ua rau puas tsuaj. Tus tswv tsob ntoo yuav tsum tam sim ntawd thiab xyuas kom meej qhov pom kev hloov pauv kom pom qhov ua rau. Puas yog tus kab mob dreaded curl tom qab ntau nplooj curled?

curl kab mob pear ntoo
curl kab mob pear ntoo

Vim li cas cov nplooj ntawm tsob ntoo pear curl?

tsob ntoo pear tsis cuam tshuam los ntawm kab mob curl, uas yog tshwm sim los ntawm cov kab mob. Pear nplooj curl thaum tsob ntoo raug kab mobpear nplooj suckerslos yogpear aphids. Ua cov tshev thaum ntxov, ntxiv dag zog rau tsob ntoo nrog cov nroj tsuag ntxiv dag zog thiab qhia cov kab muaj txiaj ntsig.

Puas kab mob curls tshwm sim ntawm tsob ntoo pear?

Tus kab mob curl yog ib tsob ntoo txiv ntoo kab mob tshwm sim los ntawm fungus Taphrina deformans. Nws tshwm sim feem ntau ntawm cov ntoo txiv duaj, ntoo nectarine thiab ntoo almond. Nws kuj qee zaus tawm tsam cov ntoo apricot. LubPear ntoo tsis cuam tshuam los ntawm cov kab mob curl Txawm li cas los xij, tsob ntoo txiv ntoo no tuaj yeem tau txais nplooj curled. Ob kab no tuaj yeem lav qhov no:

  • Mealy pear aphid
  • Pear nplooj sucker

Kuv yuav ua li cas thiaj paub tias muaj kab mob nrog cov kab mob aphid?

Cov pluas noj pear aphid (Dysaphis pyri) ua haujlwm txij li lub sijhawm cov nplooj tawm mus txog rau thaum lub Rau Hli, tom qab ntawd hloov mus rau hauv txaj rau nteg nws cov qe dua ntawm tsob ntoo txiv ntoo hauv lub caij nplooj zeeg. Ob qhov kev puas tsuaj thiab kab tsuag tuaj yeem pom meej.

malicious image

  • leavesmuaj zogdeformed (curled)
  • dab ntxwg nyoog
  • yog cov nplaum nplaum nplaum nplaum nplaum
  • yog muaj. npog nrog xeb stains (promoted los ntawm xeb fungi)
  • Shoos tshwm daj thiab compressed

Pest

  • Aphids yog2-3 mm ntev thiab spherical
  • lawv tsis muaj tis
  • Lub cev yog npog nrog cov hmoov av
  • qhov no ua rau lawv pom grey-xiav
  • tus kav hlau txais xov daj
  • lub plab plab yog dub
  • lawv nyob hauv tuab tuab

Kuv yuav ua li cas thiaj nrhiav tau tus kab mob pear sucker?

Ib qho kab mob nrog pear nplooj sucker qhia tau hais tias muaj kev puas tsuaj zoo ib yam li kab mob nrog pear aphid:curled, dov nploojthiab honeydew excretions. Txawm li cas los xij,pestsyog me ntsis loj dua aphids ntawm3-4 mm thiab tseem muaj tis. Cov qe, uas yog kwv yees li 0.3 hli loj, yog thawj xim dawb thiab tom qab ntawd daj. Txij thaum lub Plaub Hlis Ntuj tas los, kwv yees li 2 hli ntev larvae hatch thiab zaum densely ntim rau hauv qab ntawm nplooj thiab stems.

Kuv yuav ua li cas txog cov nplooj curled?

Tsis muaj tshuaj tiv thaiv kab mob pear nplooj nqus tau pom zoo rau lub vaj tsev. Kev kuaj pom rau cov qe nteg thiab khob cov tshev pab txhawm rau txheeb xyuas qhov kis kab mob thaum ntxov. Cov kev ntsuas no ua rau kev nkag siab zoo li kev tiv thaiv:

  • Promotion ofNützlingen
  • piv txwv li ladybugs thiab earwigs
  • SivPlant strengthening agents
  • Kaw qhov chaw caij ntuj no nrog cov tawv tawv pleev xim

Ib tug kab mob yuav tsum tau tshawb pom sai li sai tau los ntawmchecksthiab sib tov los ntawm txau nrognettle broth. Yog hais tias nplooj twb curled, ib tug ntse pruning yuav pab tau.

Tip

Saib cov kab ntsaum ua rau tsob ntoo pear

Qhov twg muaj ntshauv, feem ntau kuj muaj ntsaum. Vim tias cov nas tsuag yog "mis" los ntawm cov ntsaum. Yog tias koj pom ib txoj kev taug kev mus rau tsob ntoo pear, koj yuav tsum tau saib ze ntawm tsob ntoo. Txoj kev no koj tuaj yeem txwv tsis pub muaj kab mob ua ntej nws tuaj yeem ua rau muaj kev puas tsuaj loj.

Pom zoo: