Txawm hais tias tag nrho cov kev siv zog ntawm kev yug tsiaj, nws tseem tsis tau muaj peev xwm yeej cov kab mob ntawm cov nroj tsuag thiab lawv nyob twj ywm ib qho kev hem thawj ua rau lub hmab. Cov feem ntau qab thiab zoo nkauj feem ntau cuam tshuam los ntawm cov kab mob.
Qhov feem ntau txaus ntshai tus kab mob ntawm grapes yog mildew, los yog pernosporosis, downy mildew. Nws nquag tshwm sim nyob qhov twg muaj cov txiv hmab, raws li lub pathogen yog fungus uas nyob ntawm cov ntaub so ntswg nyob. Nws hibernates ntawm nplooj poob thiab ncaj qha rau hauv av nrog cov noob, yooj yim tiv taus tshav kub thiab te. Cov nroj tsuag ntawm 10 ° C, hloov pauv mus rau sab nraub qaum ntawm nplooj nplooj nrog cua lossis nag. Nws tuaj yeem muaj txog 20 tiam ntawm cov kab mob fungus hauv ib lub caij, thiab kev faib tawm yuav nres tsuas yog nrog kev tuag ntawm cov nroj tsuag lossis nrog txo qhov kub. Qhov pom ntawm sab nraud ntawm tus kabmob yog ntau daj daj. Cov thim rov qab ntawm daim nplooj, vim yog kev rov ua tiav ntawm cov pwm, yog them nrog lub paj ntawm cov pwm, qhov no tsis tshwm sim hauv huab cua qhuav. Ntawm cov nyom ntau yam, cov pob me dua, qhuav sai thiab zoo li punctures nrog rab koob nrog lub ntug qhuav, cov nplooj muaj oily sheen. Ntawm qhov tua, me ntsis kuj tshwm, daj, thiab tom qab ntawd xim av, uas zoo li ua pwm.
Cov hom nrog nruab nrab saj thiab siab acidity muaj cov noob rau tsis kam mus rau mildew, tus kab mob loj tshaj plaws nyob rau hauv txiv quav ntswv nyoos. Lub Isabella ntau yam yog tiv taus cov kab mob no, uas muaj tus ntse saj, muaj cov ntsiab lus siab ntawm tartaric acid thiab tsis muaj xim, nyias zoo li txiv hmab txiv ntoo pulp. Thaum cov saj tsis zoo yog diluted los ntawm hla nrog ntau yam zoo, kab mob tiv thaiv kuj tseem diluted.
Yog li, cov kev kho mob yuav tsum tau ua tas li, raws li cov txheej txheem tsim thiab hloov cov tshuaj kom ua haujlwm tau zoo dua.
Tshwj xeeb yog qhov chaw muaj zog muaj nyob rau saum cov tua ntawm cov tsis tseem ceeb ntau yam, tom qab ntawd tus kab mob cuam tshuam ob lub inflorescences thiab tshiab lub zes qe menyuam ntawm berries. On ntau paub tab, qhov kis tau tshwm li bluish-grey, nyuaj siab me ntsis nyob rau hauv lub peduncle. Cov berries tig xim av, shrivel thiab poob tawm. Tus kab mob no tsuas tuaj yeem tiv thaiv kev tiv thaiv ib puag ncig.
Txhawm rau siv tau zoo, koj yuav tsum paub txog kev faib tawm tshuaj lom neeg thiab nco ntsoov lub sijhawm ntawm lawv txoj kev siv.
Cov tshuaj tua kab yog siv los tawm tsam kab ntsig, aphids, kab thiab npauj npaim, thiab tawm tsam zuam, kev npaj tus kheej yog acaricides. Cov tshuaj tua kab mob pab tiv thaiv cov kab mob fungal, thiab tshuaj tua kab yog siv los tiv thaiv cov nroj. Cov uas hu tau yog cov uas xav tau rau qhov khoom tsis zoo rau kev nqis tes ua. Quasi-systemic tshuaj muaj zog nyob rau saum npoo ntawm cov nroj tsuag kho thiab tau tso tawm maj. Cov mauj ib ntus nkag mus rau hauv cov ntoo ntawm cov ntoo.
Cov tshuaj tua kab nrov thiab tib lub sij hawm ib qho tshuaj tua kab yog karbofos. Nws ua tau zoo tiv thaiv cov nplooj yob thiab lwm cov kab, muaj cov tshuaj lom txuas ntxiv thiab ua tau zoo nrog Bordeaux kua thiab acaricides. Daim ntawv thov yuav tsum tau ua qhov chaw tsis pub dhau 20 hnub ua ntej sau.
Bordeaux kua yog cov tshuaj tso tawm tshuaj raws li tooj liab sulfate thiab nrawm, tus neeg tiv tauj tiv thaiv ntau yam kab mob fungal thiab bacteriosis. Nws yog siv nyob rau hauv kev sib ntaus tawm tsam mildew, anthracnose, rot dub, rubella, cercosporosis thiab melanosis. Nws yuav tsum tau npaj kom txhij ua ntej siv, thiab txhua tus cog qoob loo yuav tsum paub npaj nws li cas. Hloov pauv rau kev sib xyaw Bordeaux tsis tshua muaj txiaj ntsig thiab feem ntau yog cuav, thiab thaum khaws cia rau hauv cov khoom tsis raug, lawv poob lawv lub cev tshuaj thiab tsis ua haujlwm. Cov kev kho mob yuav tsum tau rov ua dua, txij li tom qab los nag kev tiv thaiv tus yam ntxwv txo qis thiab tuaj tsis muaj tseeb.
