Yog tias koj pom cov kab dawb, woolly lossis greyish-dawb tso rau ntawm cov ntoo xibtes, lawv feem ntau yog kab tsuag. Powdery mildew, zoo li nyob rau hauv lwm yam nroj tsuag, yog tsawg. Txij li thaum cov sap-sucking tsiaj tuaj yeem ua rau muaj kev puas tsuaj loj rau tsob ntoo xibtes, koj yuav tsum ua tib zoo kho nws nrog cov khoom tsim nyog.
Dab tsi yog txheej dawb ntawm kuv xibtes thiab kuv yuav tawm tsam nws li cas?
Ib qho xim dawb lossis greyish-dawb txheej ntawm cov ntoo xibtes feem ntau yog cov cim ntawm cov kab tsuag xws li mealybugs lossis gall mites. Txhawm rau tiv thaiv lawv, cais cov ntoo xibtes, siv cov khoom tiv thaiv cov nroj tsuag lossis cov ntoo tiv thaiv cov ntoo uas muaj cov roj neem (€ 28.00 ntawm Amazon) thiab muab kev saib xyuas zoo, xws li tshuaj tsuag ib txwm nrog dej sov, dej tsis muaj txiv qaub thiab kua txiv algae.
Txhim kho thiab tiv thaiv kab mob
Cov tsiaj me, tseem hu ua mealybugs, ncav cuag qhov ntev ntawm ib txog tsib millimeters. Lawv lub cev npog nrog cov plaub hau dawb, uas ua rau cov tsiaj zoo li cov paj rwb me me.
Symptoms of infestation
- Thawj me me, tom qab sib xyaw cov pob dawb ntawm cov fronds.
- Cov nplooj tig daj thiab qhuav.
- Cov nab kuab zais cov honeydew, uas tuaj yeem ua rau muaj kab mob nrog cov kab mob fungal (liab xim av me ntsis).
Combat
Tshem cov xibtes tam sim kom tsis txhob kis kab tsuag. Siv cov khoom tiv thaiv tsob ntoo uas muaj roj neem (€ 28.00 ntawm Amazon), uas yuav tsum ua ncaj qha rau cov ntshauv. Tsis tas li ntawd, cov kab teeb meem tuaj yeem sib txuas tau zoo nrog cov nroj tsuag tiv thaiv uas tau ntxig rau hauv av. Cov khoom xyaw nquag ncav cuag cov nplooj ncaj qha ntawm cov kua dej, cov mealybugs noj lawv thiab tuag. Hauv lub vaj lub caij ntuj no koj tuaj yeem yooj yim tswj cov kab tsuag nrog cov larvae ntawm Australian ladybird.
Ua rau tus kab mob gall mites
Cov no feem ntau nyob ntawm yucca xibtes, thiab tsis tshua muaj ntawm cov ntoo xibtes tiag. Tsuas yog 0.2 millimeters loj, cov tsiaj me me uas lawv tsis tshua pom qhov muag liab qab.
Symptoms of infestation
Cov kab tsuag tawm ib txheej xim dawb rau ntawm nplooj uas zoo li nco txog cov kab mob mildew. Kev nqus dej ua rau cov plaub hau me me uas ua rau lub tswv yim no.
Combat
Cov khw muag khoom tshwj xeeb muaj ntau yam tshuaj tsuag uas, thaum siv kom raug, ua rau tsiaj tuag sai. Txawm li cas los xij, tshuaj tsuag tsis yog rau saum nplooj xwb, tab sis kuj tseem nyob hauv qab ntawm nplooj thiab nplooj axils, raws li cov kab tsuag nyiam nkaum ntawm no.
Tip
Kab kab kab mob feem ntau tuaj yeem tiv thaiv los ntawm kev saib xyuas zoo. Txau cov ntoo xibtes txhua hnub nrog dej sov, tsis muaj txiv qaub. Sib tov qee cov kua txiv algae rau hauv cov tshuaj tsuag dej ib zaug ib lim piam. Qhov no ntxiv dag zog rau cov nroj tsuag.
