Qos Yaj Ywm Lig Blight

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Video: Qos Yaj Ywm Lig Blight

Video: Qos Yaj Ywm Lig Blight
Video: 10. Hmongdom Qos Yaj Ywm & Qos Ntoo 2024, Tej zaum
Qos Yaj Ywm Lig Blight
Qos Yaj Ywm Lig Blight
Anonim
Qos yaj ywm lig blight
Qos yaj ywm lig blight

Qos yaj ywm lig blight yog ib qho ntawm cov kab mob txaus ntshai tshaj plaws qos uas cuam tshuam rau tubers thiab nplooj nrog qia. Nws kuj tseem hu ua qos rot. Txawm tias muaj kev tiv thaiv tsis zoo ntawm cov kab mob saum toj no, qos tubers raug cuam tshuam heev. Raws li qhov tshwm sim ntawm kev tawm tsam lig lig, cov qoob loo cog qoob loo tuaj yeem yooj yim poob rau 70%. Thiab qhov kev tawm tsam no tau tsim los ntawm kev nrawm nrawm, yog li cov kev ntsuas tsim nyog yuav tsum tau ua tawm tsam nws tsis tsawg dua

Ob peb lo lus hais txog tus kab mob

Thawj cov cim ntawm kev puas tsuaj lig lig tuaj yeem pom nyob rau ntawm cov qos yaj ywm me me. Ntawm nplooj qis, nrog rau ntawm ib feem ntawm cov qia, cov xim av tsaus nti tau tsim, uas maj mam pib loj hlob. Cov nplooj blackened feem ntau qhuav tawm, txawm hais tias lawv tuaj yeem rot thaum huab cua ntub nyob hauv. Hauv qhov xwm txheej no, ntawm lawv sab qis, cov cobweb whitish tawg tau tshwm sim, tsim los ntawm zoosporangia nrog zoosporangiophores, uas feem ntau tshwm sim ntawm ciam teb ntawm necrosis.

Ntawm cov qos yaj ywm nodules, cov ntsiab lus ntse tau tsim thaum xub thawj, greyish, thiab tom qab ntawd xim av, tawv, nyuaj me ntsis ntawm qhov ntau thiab tsawg. Thiab ntawm qhov txiav ntawm cov nodules, hauv qab qhov me me, koj tuaj yeem pom ntau tus necrosis ntawm cov xim xeb, nthuav tawm sai sai nyob rau hauv daim ntawv me me los yog tus nplaig sab hauv tubers tawm tsam lig lig.

Duab
Duab

Qhov ua rau tus neeg sawv cev ntawm qos lig lig blight yog nceb zoo li phytopathogenic kab mob.

Yuav ua li cas sib ntaus

Thaj chaw rau cog cov qos yaj ywm yuav tsum tsis pub muaj cov dej poob qis, cov dej ntws zoo thiab qhuav sai tom qab los nag. Qhov tseeb yog tias thaum ntxov foci ntawm tus kab mob feem ntau tshwm sim hauv thaj chaw qis. Thiab cov kab mob nodules tau ua tib zoo pov tseg ua ntej cog. Nws kuj tseem pom zoo kom ua tiav lawv txoj kev cog ua ntej cog - qhov no tsis yog ua kom txhawm rau txhawm rau txhim kho lawv txoj kev loj hlob, tab sis kuj txhawm rau txhawm rau txo qhov tseem ceeb ntawm kev cuam tshuam ntawm lub caij nplooj zeeg los nag, uas ua rau muaj txiaj ntsig zoo rau kev tawm tsam ntawm lig lig.

Nws yog qhov zoo tshaj los kho cov tubers ua ntej cog nrog Maxim, uas yuav ib txhij tiv thaiv cov cog qoob loo los ntawm kab mob thiab kab mob rhizoctonia. Kev xaiv cov qos ntau yam tiv taus rau lig blight tseem yuav ua haujlwm zoo. Ntawm lawv muaj xws li Lazar, Vyatka, Ogonyok, Naroch, Temp, Vesna, Arina, Cuaj hlis thiab ntau yam ntxiv.

Thaum lub caij cog qoob loo, nws yog ib qho tsim nyog yuav tsum tau cog cov av kom raws sij hawm txhawm rau txhawm rau tshem tawm cov nyom thiab cov dej noo zoo nkag mus. Nws yog ib qho tseem ceeb heev rau kev rhuav tshem tag nrho cov nroj tsuag rau qhov laj thawj yooj yim uas lawv tsim cov microclimate zoo rau kev txhim kho lig blight. Thiab txhawm rau txhawm rau txo qhov muaj peev xwm nkag mus ntawm cov kab mob fungal mus rau tubers nrog los nag, nws raug nquahu kom tsim cov dav dav thiab siab nyob saum toj saud.

Duab
Duab

Kev kho nrog tshuaj tua kab yog feem ntau ua tiav yam tsis tau tos thawj lub cim ntawm lig blight kom tshwm - qhov tseeb yog qhov kev kho mob pib tom qab pib ntawm cov tsos mob ntawm tus kab mob no feem ntau tsis muaj txiaj ntsig. Feem ntau, cov tshuaj "Ridomil Gold" tau siv rau txau - nws tsuas yog siv ib zaug lossis ob zaug hauv ib lub caij, thaum soj ntsuam ib ntus ntawm ib thiab ib nrab rau ob lub lis piam. Qhov tseem ceeb tshaj plaws yog khaws cia hauv nrog cov tshuaj txau ua ntej pib cog qoob loo. Thiab tom qab ntawd nws tau tso cai siv lwm cov tshuaj tua kab (Revus, Shirlan, Bravo, thiab lwm yam). Kev npaj tooj liab kuj tseem siv tau. Kev kho nrog txhua yam txhais tau tias yog ua tiav ntawm ib lub lim tiam thiab ib nrab.

Nrog rau kev sau qoob loo ntawm cov qoob loo tom qab lub ntuj ua tiav qhuav ntawm qhov saum los yog tom qab nws tshem tawm, nws tsis yog qhov tsim nyog ncua sijhawm. Txwv tsis pub, cov nodules tuaj yeem cuam tshuam los ntawm kab mob kab mob, phomosis thiab rhizoctonia. Thiab ua ntej xa cov tub rau khaws cia, cov hnoos qeev uas kis tau zoo, uas yog qhov nruab nrab zoo tshaj plaws rau kev txhim kho kev kis kab mob thib ob, yuav tsum muab pov tseg.

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