2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Fusarium yellows cuam tshuam ntau cov nroj tsuag hauv tsev neeg Brassica. Cov zaub pungent no tseem hu ua cole qoob loo thiab yog lub plawv noj qab haus huv ntxiv rau lub vaj. Fusarium yellows ntawm cole qoob loo yog ib qho kab mob tseem ceeb uas tuaj yeem ua rau poob nyiaj txiag loj hauv kev lag luam. Nws yog kab mob fungal uas ua rau wilting thiab feem ntau cog tuag. Kev tswj cov qoob loo fusarium yellows tuaj yeem pab tiv thaiv kev kis tus kab mob no heev.
Cov tsos mob ntawm Cole Crop Fusarium Yellows
Fusarium yellows nyob rau hauv cov qoob loo cog qoob loo tau raug lees paub txog kab mob txij li xyoo 1800's. Cov fungus yog ze ze rau fusarium uas ua rau cov kab mob wilt hauv txiv lws suav, paj rwb, peas, thiab lwm yam. Cabbage yog cov nroj tsuag uas cuam tshuam ntau tshaj plaws, tab sis tus kab mob tseem yuav tawm tsam:
Nyob zoo broccoli
Yog tias ib qho ntawm koj cov veggies hluas saib me ntsis peaked thiab daj, tej zaum koj yuav muaj cole qoob loo nrog fusarium yellows nyob rau hauv koj lub vaj.
Cov nroj tsuag hluas, tshwj xeeb tshaj yog hloov pauv, feem ntau cuam tshuam los ntawm fusarium yellows ntawm cole qoob loo. Feem ntau tsis pub dhau ob mus rauplaub lub lis piam hloov, cov qoob loo yuav pom cov tsos mob ntawm tus kab mob. Nplooj wilt thiab tsim yellowing, ua ntej yuav stunted thiab warped, tsis txhim kho kom zoo. Feem ntau, tus kab mob no tshwm sim ntau dua ntawm ib sab ntawm cov nroj tsuag, muab nws lub ntsej muag lop-sided.
Lub xylem, lossis cov ntaub so ntswg ua dej, ua xim av thiab cov nplooj nplooj pom cov xim no. Hauv cov av sov, cov nroj tsuag yuav tuag tsis pub dhau ob lub lis piam tom qab kis tus kab mob. Yog tias av kub poob, cov nroj tsuag muaj kab mob feem ntau tuaj yeem rov zoo, tsuas yog poob qee nplooj uas nws yuav rov loj hlob.
Caus ntawm Fusarium Yellows hauv Cole Crops
Fusarium oxysporum conglutinans yog cov kab mob fungus. Nws yog cov av uas muaj cov kab mob fungus nrog ob hom spores, ib qho yog luv luv thiab lwm qhov txuas ntxiv rau xyoo. Cov fungus multiplies sai tshaj plaws nyob rau hauv av kub ntawm 80 mus rau 90 degrees F. (27-32 C.) tab sis poob thaum kub poob mus rau 61 degrees F. (16 C.).
Cov kab mob kis mus rau thaj chaw mus rau thaj chaw ntawm cov khoom siv, lub ris tsho, tsiaj plaub, cua, nag los nag, thiab dej ntws tawm. Txoj kev qhia yog los ntawm cov hauv paus hniav, qhov twg cov fungus mus rau hauv xylem thiab ua rau cov ntaub so ntswg tuag. Cov nplooj poob thiab lwm yam nroj tsuag muaj kab mob hnyav heev thiab tuaj yeem kis tus kab mob ntxiv.
Kho Cole Cov qoob loo nrog Fusarium Yellows
Tsis muaj cov tshuaj tua kab mob rau tus kab mob no thiab kev coj noj coj ua ntawm kev tswj hwm tsis ua haujlwm. Txawm li cas los xij, txij li cov av kub zoo li cuam tshuam rau cov fungus, cog ua ntej lub caij thaum av txias tuaj yeem pab tiv thaiv cov kab mob.kab mob.
Ntxuav cov nplooj poob tam sim ntawd thiab muab pov tseg kom tsis txhob muaj cua tuaj. Koj tuaj yeem tua cov fungus nrog chav kho lossis cov av fumigant, thiab mulch ncig cov nroj tsuag kom cov av txias ntawm thaj tsam hauv paus.
Ib lub tswv yim zoo yog tig cov qoob loo uas muaj lawv cov noob ua ntej kho nrog fungicides. Txoj hauv kev tseem ceeb los tswj tus kab mob yog los ntawm kev siv ntau yam resistant, uas muaj ntau hom zaub qhwv thiab radish.
Pom zoo:
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Cole qoob loo yog ib qho pom nyob rau hauv lub vaj tsev, tshwj xeeb tshaj yog nyob rau hauv huab cua txias. Tab sis ib txhia gardeners yuav tsis paub dab tsi cole qoob loo. Cov ntaub ntawv hauv kab lus no tuaj yeem pab daws qhov ntawd
