Star sooty pwm, ib qho ntawm cov kab mob ntshai tshaj plaws hauv Roses, yog tshwm sim los ntawm cov teeb meem fungus Diplocarpon rosae. Hauv tsab xov xwm no peb yuav qhia koj paub yuav ua li cas thiaj paub tus kab mob no thiab koj tuaj yeem ua li cas txog nws.
Kuv yuav ua li cas thiaj paub thiab tawm tsam lub hnub qub sooty pwm ntawm roses?
Star sooty pwm yog kab mob ntawm roses tshwm sim los ntawm fungus Diplocarpon rosae. Recognizable los ntawm puag ncig, dub-xim av me ntsis ntawm nplooj. Kev tshem tawm raws sij hawm ntawm cov nplooj cuam tshuam thiab tshuaj tsuag ntuj xws li teb horsetail broth pab tiv thaiv lub hnub qub sooty pwm.
Diagnosting star sooty pwm
Tus kab mob no feem ntau tshwm sim tom qab lub caij ntuj sov thiab lub caij ntuj sov thiab nws yooj yim heev rau kev kuaj mob: pib cais tawm, tom qab ntawd ntau ntxiv, cov nplooj dub-xim av tshwm rau ntawm cov paj ntoo. Cov no muaj - raws li lub npe ntawm tus kab mob qhia - ib tug radiating ntug. Cov nplooj feem ntau tig daj nyob ib ncig ntawm qhov loj, tsis xwm yeem me ntsis. Cov nplooj cuam tshuam pib daj thiab nws thiaj li poob tag nrho. Nyob rau hauv qhov kev tshwm sim ntawm ib tug loj infestation, lub Rose yuav poob yuav luag tag nrho cov ntawm nws cov nplooj thiab ua tsis muaj zog heev. Vim li no, cov kab mob yuav tsum tau kho kom sai li sai tau, vim tias qhov phem tshaj plaws, kev kho tsis tuaj yeem ua rau tuag ntawm Rose.
Koj tuaj yeem tiv thaiv lub hnub qub sooty pwm li cas?
Thaum nws los tawm tsam nws, koj tsis tas yuav cia siab rau lub caij ntuj no, vim tias cov kab mob fungal overwinter nyob rau hauv nplooj nplooj thiab xyuas kom muaj kab mob tshiab rau xyoo tom ntej. Yog li ntawd, cov nplooj muaj kab mob yuav tsum tau muab tshem tawm tam sim ntawd thiab muab pov tseg nrog cov khoom pov tseg hauv tsev, nrog rau cov uas nyob hauv av. Rake li poob nplooj kom huv si thiab nyob rau hauv tsis muaj xwm txheej muab pov rau hauv compost - qhov no tsuas yog tsim ib tug tshiab qhov chaw ntawm tus kab mob. Ntau tus kws qhia pom zoo kom siv cov tshuaj fungicides, piv txwv li cov tshuaj fungicidal tshuaj, los tawm tsam nws. Txawm li cas los xij, cov no feem ntau tsis tsim nyog txhua - tsawg kawg yog tias koj pom cov kab mob ntxov ntxov - thiab tseem muaj kev cuam tshuam tsis zoo rau lub ntuj tshuav hauv lub vaj. Ntuj, tshuaj tsuag hauv tsev raws li daim teb horsetail, comfrey los yog qej tau ua pov thawj zoo heev tiv thaiv pwm.
Sensible tiv thaiv ntawm sooty pwm
Cov khoom no - tshwj xeeb tshaj yog teb horsetail broth - kuj tseem tuaj yeem txau tiv thaiv kom tsis txhob muaj kab mob ua ntej nplooj tawm. Qhov kev ntsuas no yuav tsum tau ua nyob rau lub caij nplooj ntoo hlav, thaum nplooj nyuam qhuav pib nthuav tawm. Txau cov roses ob peb hnub ua ke, tab sis nws yuav tsum qhuav thiab tsim nyog me ntsis. Koj tuaj yeem tiv thaiv lub hnub qub sooty pwm los ntawm qhov cua zoo ntawm cov sawv - ua tsaug rau qhov chaw zoo, qhov kev cog kom raug thiab pruning tsis tu ncua - nrog rau kev sib npaug fertilization.
Tip
Cia qej thiab lwm yam dos nroj tsuag (xws li ornamental qej) nyob ib ncig ntawm lub rose, vim cov no muaj kev cuam tshuam cov kab tsuag thiab tua kab mob nyob ib puag ncig.
