Lauj Kaub Qos Scab

Cov txheej txheem:

Video: Lauj Kaub Qos Scab

Video: Lauj Kaub Qos Scab
Video: qos liab kab loj kaub maum xwb kuab movie lom zem 2024, Tej zaum
Lauj Kaub Qos Scab
Lauj Kaub Qos Scab
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Lauj kaub qos scab
Lauj kaub qos scab

Cov kab mob sib kis, lossis oosporosis, feem ntau tawm tsam cov qos yaj ywm nyob rau sab qaum teb sab hnub poob, nrog rau thaj tsam sab qaum teb ntawm lub tebchaws. Tsawg dua me ntsis, qhov xwm txheej no tuaj yeem ntsib hauv nruab nrab Lub Ntiaj Teb Tsis Yog Dub Thaj Chaw. Tus kab mob tsis zoo tshwm sim nws tus kheej tshwj xeeb tshaj yog muaj zog ntawm cov av-podzolic thiab cov av xau, thiab tsis muaj zog me ntsis-ntawm peat-boggy xau. Ntawm qhov laj thawj tseem ceeb rau kev txhim kho lumpy scab, ib tus tuaj yeem tshem tawm cov pa phem nrog sulfur dioxide, carbon dioxide, formalin thiab lwm yam tshuaj muaj teeb meem, nrog rau kev ua txhaum txoj cai kub thaum khaws cov qos yaj ywm

Ob peb lo lus hais txog tus kab mob

Cov kab mob sib kis tau pom txog peb txog plaub lub hlis tom qab cov qos tubers raug xa mus khaws cia. Thiab los ntawm lub caij nplooj ntoo hlav, cov tsos mob ntawm tus mob ua rau mob hnyav zuj zus tuaj. Ntawm cov nodules tau tawm tsam los ntawm tuberous scab, kev tsim cov tubercles tsaus pib, mus txog txoj kab uas hla ntawm 1 txog 4 hli. Tom qab qee lub sijhawm, cov tubercles tig mus rau hauv cov pustules kaw nrog lub hauv paus nruab nrab thiab cov kev nyuaj siab. Ua tsaug rau qhov tshwj xeeb no, tus kab mob tau txais lwm lub npe - mob qog noj ntshav. Cov pob feem ntau nyob ntawm ib lub sijhawm, tab sis qee zaum lawv tuaj yeem sib tshuam ua ke. Feem ntau, cov tsos mob ntawm kev mob puas tsuaj zoo ib yam li cov kab mob zoo ib yam hauv thawj theem. Yog tias koj ntub cov pustules, lawv yuav tig xim av tsaus nti, thiab sab hauv yuav tig daj-daj.

Duab
Duab

Tus neeg sawv cev ua rau mob qog noj ntshav tau suav tias yog Polyscytalum pustulans - cov kab mob tsis zoo, ntawm cov mycelium uas cov kab mob pathogenic conidiophores tsim nrog me me -celled conidia tau teeb tsa hauv cov saw. Txhua conidia yog cylindrical lossis oval hauv cov duab thiab tau yooj yim heev cais los ntawm conidiophores.

Qhov ntsuas kub zoo tshaj plaws rau kev loj hlob thiab kev loj hlob ntawm cov kab mob yuav nyob ntawm kaum ob thiab kaum rau kaum degrees. Thiab yog tias tus pas ntsuas kub nce mus txog nees nkaum tsib degrees, kev loj hlob ntawm cov kab mob yuav nres. Tubers tuaj yeem kis tus kab mob txaus ntshai los ntawm kev siv tshuab puas rau lub tev, ntxiv rau los ntawm qhov muag nrog lenticels. Thiab qhov tsis tu ncua ntawm kev kis tus kab mob tshwm sim hauv cov av thiab ntawm cov kab mob sib kis.

Tshwj xeeb tshaj yog feem ntau, qhov mob tsis zoo lumpy scab tawm tsam cov qos yaj ywm thaum nws pib sau qoob loo - hauv qhov no, cov tubers tsis tawg yog feem ntau kis. Thiab los ntawm qhov kawg ntawm lub sijhawm cia, ntau cov pustules tau tsim rau ntawm lawv qhov chaw.

Yog tias cov qos yaj ywm tau cog rau cov noob, nws yog ib qho tseem ceeb kom nco ntsoov tias cov qoob loo ntawm cov tubers kis vim tuag ntawm lub qhov muag txo qis li ntawm 30 - 44%. Ib qho ntxiv, ib feem ntawm cov qos yaj ywm tawm thaum lub sijhawm cog qoob loo yuav raug cuam tshuam los ntawm cov kab mob tsis zoo.

Duab
Duab

Raws li qhov tshwm sim los ntawm qhov raug nplawm no, cov qoob loo poob tuaj yeem yog qhov loj. Hauv tubers kis mob, cov ntsiab lus ntawm vitamin C, protein thiab hmoov txhuv nplej siab tau txo qis, thaum tus nqi ntawm monosaccharides, ntawm qhov tsis sib xws, nce ntxiv. Tubers tsis muaj zog los ntawm tus kab mob no feem ntau yuav muaj kev cuam tshuam los ntawm nematodes, rhizoctonia, nyiaj scab, ntxiv rau qhuav thiab ntub rot.

Yuav ua li cas sib ntaus

Kev txo qis ntawm keeb kwm kev kis mob tau yooj yim heev los ntawm kev ua raws li cov cai ntawm kev cog qoob loo. Cov tshuaj Potassium thiab magnesium yuav tsum tau siv rau hauv qhov tsim nyog.

Ua ntej sau qoob, cov ntoo saum toj no raug puas tsuaj los yog siv tshuaj. Ua ntej koj pib khaws cov nodules, lawv yuav tsum tau qhuav kom huv si. Thiab ncaj qha rau hauv cov chaw khaws khoom, koj yuav tsum tau sim tswj qhov kub nyob hauv thaj tsam ntawm ib mus rau peb degrees. Tsis tas li, txhawm rau txo qis huab cua, nws yog ib qho tseem ceeb kom ntseeg tau tias lawv qhov cua nkag mus tas li.

Ua ntej cog, hauv 2 - 15 hnub, nws raug nquahu kom tsuag cov noob tubers nrog cov tshuaj thyram -based fungicides. TMTD kuj tseem zoo rau qhov no. Thiab ua ntej tso cov tub rau khaws cia, lawv tau txau nrog cov tshuaj tua kab Maxim. Txawm li cas los xij, cov khoom lag luam xws li Tekto lossis Titusim kuj tseem yuav haum rau kev kho mob.

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