Discoloration ntawm nplooj yog tsis tshua muaj nrog lub siab tu camellia. Cov nplooj tuaj yeem tig daj, xim av lossis txawm dub. Yuav tsum muaj qhov sib txawv ntawm seb cov nplooj nws tus kheej tig dub los yog muaj xim dub.
Yuav ua li cas yog tias muaj nplooj dub ntawm camellia?
Yog tias nplooj ntawm camellia tig dub, cov kab mob fungus, uas ua rau cov ntshauv excretions, feem ntau yog lub luag haujlwm. Cov nplooj uas muaj kab mob yuav tsum tau muab tshem tawm lossis ntxuav, piv txwv li nrog cov tshuaj ntxuav tais diav, dej soapy lossis vinegar-dej sib tov. Rov ua dua kev kho mob tom qab ob peb hnub.
Vim li cas kuv nplooj nplooj tig dub?
Nws yog qhov tsis tshua muaj rau cov nplooj ntawm camellia tig dub; ntau zaus, cov txheej txheem dub tsis zoo rau lawv, uas tuaj yeem, txawm li cas los xij, raug tshem tawm. Qhov no yog vim cov pwm, los yog lub hnub qub soot los yog yooj yim sooty fungus. Cov fungus no pub rau cov qab zib honeydew secreted los ntawm ntau hom ntshauv. Qhov tseem ceeb uas tuaj rau hauv nqe lus nug yog kab kab, aphids thiab mealybugs.
Thaum pib, cov pob me me tuaj yeem pom thaum muaj kab mob fungal, uas kis tau hauv lub hnub qub zoo li lub sijhawm. Qhov kev puas tsuaj tsuas yog tsis ncaj, vim hais tias cov fungus tsuas yog tiv thaiv photosynthesis los ntawm thaiv cov nplooj pores. Yog tsis muaj kev kho mob, koj cov camellia tseem yuav poob nws nplooj vim photosynthesis tseem ceeb heev rau cov nroj tsuag.
Ceev faj puas tseem cawm tau?
Yog tias tsuas yog ob peb nplooj ntawm koj cov camellia raug cuam tshuam, koj tuaj yeem khaws lawv thiab muab pov tseg nrog tsev neeg pov tseg. Raws li kev ceev faj, cais cov kab mob camellia los ntawm lwm cov nroj tsuag kom tsis txhob muaj ntshauv lossis cov kab mob fungal tuaj yeem kis mus rau lawv. Yog tias qhov kab mob hnyav heev, koj yuav tsum ua tib zoo ntxuav cov nplooj ntawm koj cov camellia.
Txhawm rau ntxuav cov nplooj, koj tuaj yeem siv cov tshuaj ntxuav tes, lye ua los ntawm xab npum lossis sib tov ntawm vinegar thiab dej. Nco ntsoov tshem tawm cov ntshauv uas twb muaj lawm nyob rau tib lub sijhawm. Txawm li cas los xij, cov tshuaj tua kab mob lossis cov roj neem tsuas yog tua cov ntshauv. Yog li, kev kho mob yuav tsum tau rov ua dua tom qab qee lub sijhawm.
Qhov tseem ceeb tshaj plaws hauv luv luv:
- Cia li tshem tawm lossis ntxuav cov kab mob
- Cov tshuaj muaj peev xwm: tshuaj detergent, dej xab npum, vinegar-dej sib tov
- nco pom ntshauv
- tejzaum siv neem roj lossis tshuaj lom neeg tiv thaiv cov ntshauv
- Rov kho dua tom qab ob peb hnub
- Yog tias kab mob hnyav heev, hloov av
Tip
Yog tias koj cov kab mob muaj kab mob hnyav heev, ces tsuas yog nyob rau sab nyab xeeb, hloov cov av; larvae tuaj yeem nyob ze rau ntawd.
