2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40
Qhuav phoma rot ntawm cov qos yaj ywm tshwm sim qhov twg cov qos yaj ywm tau cog, cuam tshuam rau ob sab thiab tubers nrog tib lub zog. Thiab qhov kev ua phem tsis zoo no tshwm sim nws tus kheej hauv daim ntawv ntawm qhov txhab lossis ntau yam necrotic foci. Muaj ntau ntau yam sib txawv ntawm tus kab mob no, tab sis lawv txhua tus muaj teeb meem sib npaug thiab ua rau txo qis hauv qhov ntim ntawm qhov sau qoob loo uas tau tos ntev
Ob peb lo lus hais txog tus kab mob
Thaum pib ntawm txoj kev loj hlob ntawm qhuav phoma rot ntawm cov qos yaj ywm ntawm qhov chaw ntawm cov qos nodules, tsim ntawm kev nyuab siab me ntsis thiab me ntsis sib npaug me ntsis ntawm cov xim tsaus, ciam teb los ntawm ciam teb sib txawv, pib. Ib me ntsis tom qab, cov pob me me no nce ntxiv, tig mus rau hauv qhov txhab uas muaj cov tawv nruj. Cuam tshuam daj ntseg cov xim av cog ntoo pib maj mam kis mus rau sab hauv hauv daim ntawv ntawm lub khob. Lawv tau sib cais los ntawm cov ntaub so ntswg noj qab haus huv los ntawm kab txaij nqaim nrog cov xim ntau dua. Yog tias koj txiav cov tub, koj tuaj yeem pom tias txhua cov ntaub so ntswg muaj tus yam ntxwv feem ntau yog lub teeb xim av.
Tev ntawm cov qos yaj ywm kis tau sai sai thiab pib tawg, thiab cov kab mob pycnidia tshwm sim los ntawm qee lub sijhawm dhau los ntawm tev ntawm cov tubers. Nyob rau theem tom ntej hauv kev txhim kho qhuav phoma rot, tuber cov ntaub so ntswg pib stain hauv cov xim tsaus, txog rau dub. Thiab sab hauv cov nodules, koj tuaj yeem pom voids, los ntawm sab hauv npog nrog greyish Bloom ntawm nceb mycelium. Thaum tus kab mob nkag mus rau nws theem kawg, nws tuab tuab dua, cov ntaub so ntswg tau qhuav tawm, thiab pycnidia npog cov nodules sai sai kom pom tseeb. Feem ntau yuav luag tag nrho cov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoobသွား ib teev.
Raws li rau qhov qia daim ntawv ntawm tus kab mob, nws tshwm sim nws tus kheej feem ntau thaum lub sijhawm paj tawg lub caij cog qoob loo. Cov me me pib tshwm rau ntawm cov qia nyob ze ntawm cov nplooj petioles, ntawm qhov xim av pycnidia tsim me ntsis tom qab. Thiab daim ntawv necrotic ntawm tus kab mob yog tus yam ntxwv ntawm cov qos nodules ntawm qhov txhab me me ntawm cov xim tsaus nti thiab ntawm cov ntawv sib txawv tshaj plaws. Hais txog cov paib sab nraud, daim ntawv necrotic zoo li me ntsis nco txog qhov tshwm sim lig lig, txawm li cas los xij, hauv nodules tawm tsam los ntawm phoma qhuav qhuav, cov ntaub so ntswg sab hauv tau pleev xim rau hauv cov xim daj daj-pinkish, thiab hauv tubers them nrog lig blight, tag nrho cov nqaij hauv muaj xim xeb-xim av. Ib qho ntxiv, nyob rau hauv daim ntawv necrotic, cov fungus tsis nkag mus tob rau hauv tubers - tsuas yog 4 - 6 hli. Kuj tseem muaj qhov hu ua "qhov muag" daim ntawv ntawm tus kab mob, thaum nws raug puas ntsoog, qhov kev nyuaj siab tsis zoo tshwm nyob rau qhov chaw ntawm lub qhov muag.
Tus neeg sawv cev ua rau qhuav phoma rot yog kab mob hu ua Phoma exigua. Thaum lub sijhawm cog qoob loo, kis tau yooj yim los ntawm cua thiab nag, thiab thaum khaws cia, nws kis tau los ntawm ib lub tuber mus rau lwm qhov los ntawm kev siv tshuab puas lossis los ntawm qhov muag nrog cov lenticels.
Txog qhov loj, kev txhim kho ntawm qhov phom sij txaus ntshai no yog txhawb nqa los ntawm huab cua ntub thiab txias thaum lub caij sau qoob, kub thiab av noo thaum khaws cia, ntxiv rau ntau yam kev puas tsuaj uas tau hais los saum no.
Yuav ua li cas sib ntaus
Cov kev tiv thaiv tseem ceeb tiv thaiv phom phom qhuav ntawm cov qos yaj ywm yog ua raws kev cog qoob loo thiab txo qis txhua yam kev puas tsuaj ntawm cov tshuab. Thaum cog, nws yog qhov yuav tsum tau siv tsuas yog cov cog cog zoo, uas tau pom zoo ua ntej kho nrog Maxim fungicide. Nws yog ib qho tseem ceeb uas yuav tsum tau tua cov tshuaj tua kab thiab cov ntim khoom, thiab hauv cov chaw khaws khoom lawv tus kheej, nws yog qhov tsim nyog los tswj cov av noo zoo (tsis tshaj 80%) thiab qhov ntsuas kub kom tsim nyog-rau nees nkaum nees nkaum tsib hnub tom qab ntxuav, qhov kub tau khaws cia hauv thaj tsam ntawm kaum yim mus rau nees nkaum degrees, maj mam txo nws mus rau ob - peb qib.
Pom zoo:
Ntiv Nplhaib Ntawm Qos Yaj Ywm
Nplog rot ntawm qos yaj ywm yog ib qho kev tawm tsam. Cov kab mob no cuam tshuam tsis tsuas yog hauv av, tab sis kuj yog ib feem hauv av ntawm kev cog qoob loo, thiab hauv txhua theem ntawm lawv txoj kev txhim kho. Thiab tus kab mob tsis zoo tshwm sim nws tus kheej feem ntau nyob rau hauv daim ntawv ntawm wilting ntawm qos yaj ywm saum thiab maj mam lwj ntawm nodules. Cov tsos mob no tuaj yeem pom ob qho tib si thaum khaws cia thiab ncaj qha rau ntawm txaj txaj. Huab cua sov thiab ntub yog qhov tshwj xeeb tshaj yog rau kev txhim kho ntawm qhov tsis zoo. Kev phom sij
Sowing Qos Yaj Ywm: Cov Lus Zais Ntawm Kev Sau Thiab Khaws Cia
Txhawm rau kom tau txais qoob loo zoo ntawm cov qos yaj ywm, koj yuav tsum tau npaj kom zoo thiab khaws cov noob. Nws yog kev saib xyuas ntawm txhua qhov nuances thiab cov lus sib txawv uas lav tau qhov txiaj ntsig ntawm "qhob cij thib ob"
Yuav Ua Li Cas Cog Qos Yaj Ywm Los Ntawm Cov Noob?
Muaj cov txaj txaj hauv txhua lub vaj zaub, nws tsis yog yam uas lawv hais tias qos yaj ywm yog qhob cij thib ob. Ib tus neeg nyob rau lub caij ntuj sov tsis tuaj yeem npau suav txog kev sau qoob loo zoo, vim tias nws tuaj yeem ua tau zoo heev rau kib tag nrho cov lauj kaub kib ntawm cov qos yaj ywm qab, los yog kom nws kub thiab ua haujlwm nrog rau cov dib dib los yog ntsim herring! Cov xov xwm zoo: koj tuaj yeem tau txais txiaj ntsig zoo tsis yog tsuas yog thaum cog qos yaj ywm los ntawm tag nrho cov tubers lossis los ntawm qhov muag - kev cog qoob loo no kuj tseem ua rau muaj txiaj ntsig zoo
Nta Ntawm Qos Yaj Ywm
Puas nyuaj rau cog qoob loo zoo? Cov qoob loo ntawm cov qoob loo feem ntau yog nyob ntawm ntau yam, av thiab txheej txheem ntawm kev npaj tubers rau cog. Peb paub ntau ntxiv txog cov yam ntxwv ntawm cov qos yaj ywm, nws yooj yim dua los cog qoob loo zoo
Ah, Qos Yaj Ywm, Qos Yaj Ywm
Yog li, ntawm qhov hais txog ntawm cov qos yaj ywm, qos yaj ywm, txhua qhov ua siab zoo, ntxim nyiam tshaj plaws, qab heev, ua hauv tsev, qee qhov nkauj ntxim nyiam lub caij ntuj sov txog cov zaub cog qoob loo no los rau siab. Cov no yog cov lus qhia ntawm cov kws paub dhau los uas peb tau sau ntawm no kom muaj kev loj hlob zoo dua thiab sau qoob loo ntawm tus yeeb yam tseem ceeb ntawm zaj dab neeg - qos yaj ywm
