Tsuav yog nws xis nyob hauv nws qhov chaw thiab saib xyuas raws li qhov xav tau, tsob ntoo trumpet (Catalpa bignonioides) tsuas yog me ntsis cuam tshuam rau cov kab tsuag thiab kab mob.
Cov kab mob twg zoo rau tsob ntoo trumpet?
Cov kab mob ntawm tsob ntoo trumpet yog aphid kab mob, kab ntsig puas, grey pwm rot thiab verticillium wilt. Txhawm rau tiv thaiv cov kab mob no, koj yuav tsum cog tsob ntoo hauv qhov chaw tshav ntuj, tiv thaiv nrog xoob, zoo-drained, moist thiab nutrient-nplua nuj av.
Nws yog txhua yam hais txog qhov chaw zoo
Kev tiv thaiv ib txwm zoo dua li kev kho, uas yog vim li cas koj tuaj yeem siv cov kev ntsuas yooj yim los tiv thaiv cov kab mob trumpet feem ntau. Ntau yam kab mob fungal thiab kab mob, tab sis kuj muaj ntau yam kab tsuag (xws li aphids) feem ntau tua cov kab mob tsis muaj zog, thaum tsob ntoo muaj zog thiab noj qab haus huv feem ntau tuaj yeem tiv thaiv lawv tus kheej zoo heev tiv thaiv cov kab mob. Yog li ntawd, xaiv qhov chaw tshav ntuj, tiv thaiv qhov chaw txaus thiab xoob, zoo-drained, moist thiab nutrient-nplua nuj av.
Tshuaj kab mob ntawm tsob ntoo trumpet
Aphids tshwj xeeb tshaj yog nyiam nyob rau ntawm nplooj loj, muaj kua ntawm tsob ntoo trumpet. Koj feem ntau pom muaj kab mob vim tias cov nplooj lo vim cov kua qab zib tawm - thiab yog li ntawd ntau tus ntsaum pom lawv txoj hauv kev. Cov no pub rau dab tsi hu ua honeydew thiab tuaj yeem ua rau muaj kev puas tsuaj ntxiv rau tsob ntoo. Hmoov zoo, aphids tuaj yeem tswj tau siv txoj hauv kev yooj yim. Incidentally, cov tsiaj tshwm sim ntau zaus nyob rau lub caij nplooj ntoos hlav. Ntxiv nrog rau aphids, ntau hom kab ntsig kuj nyiam nibble ntawm nplooj - tib yam uas pab ntawm no yog sau tsis tu ncua, tshwj xeeb tshaj yog thaum sawv ntxov ntxov.
Cov kab mob fungal
Kev saib xyuas tsis raug lossis hauv qhov chaw tsis raug, trumpet ntoo tshwj xeeb yog cov kab mob fungal. Txawm li cas los xij, tsis muaj ib txwm muaj kab mob tom qab nws thaum nplooj ntawm cov nroj tsuag tig daj - qee zaum tsob ntoo tsuas yog raug kev txom nyem ntau dhau los lossis - qhov no yuav tsum tau ua kom zoo zoo - los ntawm dej nkag.
Grey pwm rot
Yog hais tias feem ntau cov hluas, cov mos mos qhuav qhuav thiab tuag rau zoo li tsis muaj laj thawj, grey pwm rot feem ntau qab nws. Tus kab mob no, tshwm sim los ntawm cov pwm Botrytis, feem ntau dhau los ua pom hauv nws lub xeev siab dhau los ntawm kev loj hlob greyish mus rau blackish fungal. Cov kab mob feem ntau tshwm sim hauv lub caij ntuj sov ntub, tab sis tuaj yeem tswj tau yooj yim siv cov tshuaj fungicides.
Verticillium wilt
Kev kis kab mob verticillium fungus uas nyob hauv av yog qhov txaus ntshai dua rau tsob ntoo trumpet. Cov kab mob no tau ncaj qha mus rau hauv tsob ntoo txoj kev ntawm cov hauv paus hniav thiab thaiv lawv. Yog li ntawd, ib tug neeg nplooj thiab tua pib tuag, thiab tom qab ntawd tag nrho cov ntoo tuag. Tsis muaj cov tshuaj tua kab mob zoo, koj tsuas tuaj yeem sim radically prune tus kab mob trumpet ntoo - tob rau hauv cov ntoo noj qab haus huv - thiab tom qab ntawd hloov mus rau lwm qhov chaw.
Tip
Qhov tseem ceeb tshaj, tsis txhob cog tsob ntoo trumpet nyob rau hauv qhov chaw uas muaj kab mob xws li verticillium wilt twb tshwm sim.
