Tus tiag tiag laurel (Laurus nobilis) kuj paub nyob rau hauv lub teb chaws no li txuj lom laurel vim hais tias nws nplooj raug sau rau siv nyob rau hauv lub chav ua noj. Thaum nws los txog rau ntau hom kev puas tsuaj rau cov nroj tsuag, yuav tsum muaj qhov sib txawv ntawm cov tsos mob tsis txaus los ntawm kev saib xyuas tsis tsim nyog thiab kab mob.
Cov kab mob dab tsi tuaj yeem cuam tshuam rau laurel?
Cov kab mob muaj peev xwm ntawm laurel muaj xws li kab mob phom sij thiab kab tsuag kab (kab laug sab mites, kab kab thiab kab laug sab). Qhov chaw tsim nyog, txo qis nitrogen fertilization, nruab nrab lub caij ntuj no kub thiab, thaum muaj kab mob, sau los yog ntxuav tawm cov kab tsuag pab tiv thaiv.
| Illness | Symptoms | Measures |
|---|---|---|
| Shotgun disease | Ntau dua nyob rau hauv cherry laurel; Tiag tiag laurel feem ntau yog resistant | Fungicide txau, txo nitrogen fertilization |
| Powder mildew | Dawb, plua plav txheej ntawm nplooj, tuaj yeem nplooj poob | huab cua zoo, zam kev ntxhov siab, kev tswj tsis tu ncua, tshuaj tua kab mob |
| Ntsuab mildew | Cov kab mob fungal nyob rau hauv qab ntawm nplooj, oily, yellowish sheen ntawm nplooj | Tshem tawm cov kab mob nplooj, fungicides, huab cua zoo, sib npaug dej, zam dej logging |
| Nplooj ntug necrosis | Kub los yog xim dub ntawm ntug nplooj | Txhim kho fertilization, dej txaus, siv dej mos |
Kab mob ntawm laurel
Shotgun disease on laurel
Cov kab mob hu ua rab koob txhaj tshuaj tsis tu ncua hais txog kev sib txuas nrog laurel, tab sis nws muaj feem cuam tshuam rau cherry laurel siv rau hedges dua li laurel tiag. Fungicide sprays thiab txo nitrogen fertilization yog pom zoo raws li kev ntsuas tiv thaiv tus kab mob. Tsis tas li ntawd, lub laurel tiag tiag (Laurus nobilis) yog cov nroj tsuag uas muaj zog tiv taus uas tsis tshua muaj kab mob.
Powdery mildew on laurel
Lwm yam kab mob uas tuaj yeem cuam tshuam rau cov nroj tsuag laurel yog powdery mildew. Nws tuaj yeem raug lees paub los ntawm cov xim dawb, txheej txheej ntawm nplooj, uas, yog tias muaj kab mob siab heev, tuaj yeem ua rau nplooj deformation thiab thaum kawg nplooj poob. Powdery mildew tshwm sim feem ntau hauv huab cua sov, qhuav. Cov huab cua zoo, kev zam ntawm kev ntxhov siab vim kev ntxhov siab thiab kev tswj xyuas cov nroj tsuag tsis tu ncua pab txhawm rau txheeb xyuas thiab kho tus kab mob thaum ntxov, piv txwv li los ntawm kev siv cov fungicides tsim nyog.
Downy mildew ntawm laurel
Downy mildew, feem ntau tsis meej pem nrog powdery mildew, yog qhov txawv ntawm qhov fungal nres tshwm sim nyob rau hauv qab ntawm nplooj thiab lawv muaj oily, yellowish sheen. Yog tias muaj kab mob, cov nplooj yuav tsum tau muab tshem tawm thiab cov nroj tsuag kho nrog fungicide. Zoo huab cua ncig, sib npaug dej thiab tsis txhob waterlogging kuj muaj kev tiv thaiv ntawm no.
Leaf edge necrosis ntawm laurel
Leaf edge necrosis yog lwm yam kab mob uas tuaj yeem tshwm sim hauv laurel. Nws manifests nws tus kheej li xim av los yog dub discoloration ntawm ntug ntawm nplooj, uas yuav kis mus rau sab hauv. Qhov ua rau yog feem ntau noj calcium ntau dhau lossis tsis muaj qee yam khoom noj xws li magnesium. Kho fertilization, txaus tab sis tsis dhau dej ntau thiab siv cov dej mos tuaj yeem pab tiv thaiv lossis kho qhov teeb meem no.
Pests ntawm laurel
Qee zaus, cov txuj lom laurel tuaj yeem kis kab laug sab mites, kab kab thiab kab laug sab. Koj tuaj yeem paub cov kab kab los ntawm lawv cov nplooj pom thiab kab laug sab mites los ntawm lawv cov webs zoo. Mealybugs tawm ib hom dawb fuzz ntawm nplooj. Txij li thaum laurel tuaj yeem tsuas yog overwintered sab nraum zoov hauv qhov chaw me me hauv lub tebchaws no, nws feem ntau siv lub caij ntuj no hauv sov, qhuav lub caij ntuj no. Txhawm rau kom tsis txhob muaj kab tsuag kab tsuag tsawg dua, qhov kub yuav tsum tsis pub tshaj 8 degrees Celsius thiab koj yuav tsum winterize lub laurel nroj tsuag kom lig li sai tau thiab tawm lawv ntxov dua. Ua kom cov av noo tuaj yeem pab tiv thaiv kab laug sab mite.
Tip
Yog tias koj muaj kab tsuag kab tsuag ntawm laurel, sim tshem cov kab uas zaum ntawm lawv los ntawm kev sau los yog ntxuav lawv nrog lub dav hlau ntse dej. Kev siv cov tshuaj tua kab tsim nyog ua rau cov nplooj taboo rau sau thiab noj rau lub hlis lossis xyoo.
Black weevil on the laurel
Cov kab dub kuj tuaj yeem tua cov laurel. Cov tsos mob xws li pub mis puas rau nplooj thiab tej zaum daj daj. Rau kev tiv thaiv, nws raug nquahu kom tsis tu ncua tshuaj xyuas cov nroj tsuag kom pom cov tsos mob ntawm tus kab mob thiab siv tshuaj tua kab yog tias tsim nyog. Txhawm rau tiv thaiv cov kab mob dub, cov nematodes tuaj yeem siv tau, uas yog cov kab mob microscopic roundworms uas parasitize cov larvae ntawm weevil. Kev siv cov nematodes yog ib txoj hauv kev zoo tshaj plaws rau kev siv hauv vaj.
Cov tsos mob tsis txaus ntawm nplooj thiab cov hauv paus hniav ntawm cov txuj lom laurel
Vim nws keeb kwm yav qab teb, lub laurel tiag tiag nyiam qhov chaw tshav ntuj nrog cov av permeable. Yog tias nws cog rau sab nraum zoov hauv qhov chaw ntxoov ntxoo nrog hnyav, ntub av, stunted kev loj hlob lossis nplooj poob tuaj yeem tshwm sim, txawm tias muaj kev saib xyuas zoo. Yog tias cov nplooj xim av lossis nplooj tshwm tsis tau txiav cov nroj tsuag, qhov laj thawj ntawm qhov no yuav yog dej ntau dhau los yog qis dua. Qhov no tuaj yeem pom tau thaum hloov cov laurel los ntawm cov hauv paus plaub hau uas tau qhuav los yog me ntsis rotten. Nyob rau hauv lub lauj kaub loj txaus, laurel yuav tsum tau watered tsawg kawg ib zaug ib lub lim tiam nyob rau hauv qhuav qhuav, tab sis koj yuav tsum tsis txhob waterlogging. Txij li thaum spiced laurel reacts rhiab heev rau ntsev, koj yuav tsum tsuas fertilize nws sparingly thiab, yog hais tias ua tau, nrog organic chiv.
