2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40
Powdery scab cuam tshuam tsis tsuas yog qos tubers, tab sis kuj tseem stolons, keeb kwm thiab subsoil qhov chaw ntawm cov qia. Tshwj xeeb tshaj yog feem ntau qhov mob tsis zoo tuaj yeem ntsib hauv thaj tsam Tver, Moscow thiab Leningrad, ntxiv rau hauv lwm qhov chaw tshwj xeeb los ntawm nag los hnyav. Hauv cov txheej txheem khaws cia, tsis yog tsuas yog kev ua lag luam tus nqi ntawm tubers tawm tsam los ntawm hmoov scab txo qis, tab sis kuj tseem ua rau lawv ua kom pom tau zoo zuj zus. Thiab qhov no tau pab txhawb los ntawm cov neeg sawv cev ua rau rot, nkag mus rau hauv lub tubers los ntawm qhov txhab tsim rau lawv. Kev puas tsuaj loj tshwj xeeb yog pom nrog cov av noo siab hauv cov chaw khaws khoom
Ob peb lo lus hais txog tus kab mob
Ntawm cov ntoo, stolons thiab cov hauv paus tau tawm tsam los ntawm cov hmoov sib tov, tsim los ntawm kev loj hlob ntawm ntau yam duab thiab qhov loj me pib. Thaum xub thawj, lawv muaj xim dawb, tab sis tom qab qee lub sijhawm lawv tsaus ntuj thiab tawg sai sai.
Ntawm cov qos yaj ywm tubers, koj tuaj yeem pom qhov pom ntawm pustules (raws li lawv hu rau qhov txhab) ntawm cov xim liab, sab hauv uas muaj cov kab mob mycelium tsim. Qhov nruab nrab ntawm cov pustules yog li 6 - 7 hli. Tom qab qee lub sijhawm, lawv tau qhib, thiab lawv cov npoo tau tig tawm. Raws li qhov tshwm sim ntawm qhov kev hloov pauv no, qhov txhab ua rau pom lub hnub qub. Thiab nyob hauv nruab nrab ntawm lub qhov txhab, muaj cov xim av me me ua hmoov sib xyaw. Tubers tawm tsam los ntawm kev ua phem tsis zoo khaws cia tsis zoo, vim tias lawv rot sai txaus. Tsis tas li ntawd, lig lig lig thiab qhuav qhuav feem ntau tshwm rau ntawm cov nodules kis thaum lub sijhawm khaws cia.
Tus neeg sawv cev ntawm tus kab mob yog pseudo-fungus hu ua Spongospora subterranean Wallr. Nws kis tubers, stolons thiab qos paus los ntawm qhov txhab, qhov muag thiab lentils. Thiab cov peev txheej ntawm kev kis kab mob feem ntau yog quav, av lossis kab mob qos tubers.
Spores ntawm cov kab mob feem ntau nyob ruaj khov txog li peb txog plaub xyoos thiab tiv taus ntau yam xwm txheej ib puag ncig. Thaum lawv cog rau hauv ib puag ncig ntub, thawj zoospores tau tsim, thiab me ntsis tom qab - amoeboids, uas tsim mus rau hauv ntau lub plasmodium ntau tom qab lawv nkag mus rau hauv stolons, ntxiv rau hauv cov hlwb ntawm cov hauv paus hniav thiab cov tubers. Ib me ntsis tom qab, plasmodium tawg mus rau hauv cov pob me me, npog nrog lub plhaub ntom thiab hloov pauv mus rau qhov tsis muaj cov kab mob, uas sib koom ua ke rau hauv qhov tsaus nti kheej kheej glomeruli sib txawv hauv qhov tsis xwm yeem.
Txog qhov loj, kev txhim kho cov hmoov sib tov ua kom yooj yim los ntawm cov tshuaj tiv thaiv tsis muaj zog ntawm ib puag ncig, nce cov av noo thiab qhov kub nyob hauv thaj tsam ntawm kaum ob txog kaum yim degrees. Nws yog qhov tshwj xeeb tshaj yog tuaj yeem ntsib cov kab mob ntawm cov av ntub thiab hnyav - hauv cov xwm txheej zoo li no nws tuaj yeem nyob ntev txog tsib xyoos.
Yuav ua li cas sib ntaus
Thaum cog cov qos yaj ywm, nws yog ib qho tseem ceeb heev uas yuav tsum ua raws cov cai ntawm kev cog qoob loo, rov cog qoob loo no mus rau nws thaj chaw qub tom qab tsawg kawg plaub txog tsib xyoos. Liming ntawm cov kua qaub, cov dej hauv thaj chaw qis thiab kev siv tshuab ua liaj ua teb siab, nrog rau kev qhia txog qhov tseem ceeb micro- thiab macroelements, kuj tseem pab txo qis kev kis mob tom qab. Cov nroj tsuag seem yuav tsum tau muab tshem tawm tam sim ntawd ntawm qhov chaw. Thiab txhawm rau tiv thaiv qhov tshwm sim ntawm cov kab mob ntawm lawv, koj yuav tsum siv cov khoom cog zoo, uas yog ua ntej-etched nrog fungicides. Ib qho txiaj ntsig zoo yog ua tiav los ntawm kev hnav cov tubers nrog cov tshuaj thyram-based fungicides. Cov tshuaj tua kab hu ua "Maxim" kuj tau ua pov thawj nws tus kheej zoo heev.
Ua ntej koj pib tso cov tub rau khaws cia, cov chaw cog qoob loo yuav tsum tau kho nrog 5% daws ntawm tooj liab sulfate lossis 3% tshuaj dawb. Kev kho mob zoo li no yuav pab tiv thaiv kom tsis txhob kis ntawm cov tubers nrog rau tus kab mob txaus ntshai. Nyob rau hauv tsis muaj xwm txheej yuav tsum tau tubers tawm tsam los ntawm hmoov scab yuav tsum tau khaws cia rau lub sijhawm ntev, txij li qhov no qhov tshwm sim ntawm kev sib kis ntawm cov qos yaj ywm noj qab haus huv tau nce ntau.
Pom zoo:
Scab Ntawm Cov Ntoo Ntoo - Peb Yuav Nrog Nws Ib Yam
Scab yog kab mob hu ua fungal uas feem ntau cuam tshuam rau cov txiv ntoo hauv vaj. Tsuas yog cov kab mob tiv thaiv kab mob niaj hnub no feem ntau tiv thaiv kab mob rau nws. Scab ua phem rau cov ntoo txiv ntoo, thiab, txawm hais tias tsob ntoo tuag los ntawm nws tsis tshua muaj neeg tsawg, nws muaj qhov cuam tshuam ncaj qha rau qhov zoo ntawm kev sau qoob loo: cov txiv hmab txiv ntoo uas tau sau los ua tsawg dua, thiab cov txiv hmab txiv ntoo lawv tus kheej dhau los ua qhov pom me me, ua rau lub ntsej muag tsis zoo
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 phem, nrog rau kev ua txhaum ntawm cov
Scab Thiab Peb Lub Vaj
Cov kab ntoo ntawm cov txiv hmab txiv ntoo nyiag peb ntawm peb cov qoob loo. Yuav ua li cas nrog scab koj yuav kawm hauv kab lus no
Silver Qos Yaj Ywm Scab
Cov nyiaj nplua nuj, txawm hais tias nws tsis ua rau rot, ua rau muaj kev cuam tshuam loj rau qhov poob ntawm cov kab mob tubers, uas nyob rau hauv lem yog qhov tshwm sim ntawm kev ya raws nquag. Tsis tas li ntawd, cov noob zoo ntawm cov qos yaj ywm kuj tseem txo qis. Cov kab mob kis tau yooj yim heev thiab tsis muaj zog tua, thiab tseem cuam tshuam tau yooj yim los ntawm kev kis tus kab mob thib ob, tom qab ntawd lawv pib rot sai sai. Yog li, nws yog qhov tseem ceeb tshaj plaws los txheeb xyuas tus mob no sai thiab tshem tawm sai li sai tau
Cherry Thiab Qab Zib Cherry Scab
Cherry thiab qab zib Cherry scab kis feem ntau thaum lub sijhawm tawg paj - tshwj xeeb tshaj yog feem ntau cov kab mob fungal raug pov tawm tom qab los nag hnyav. Nws loj hlob feem ntau ntawm cov txiv hmab txiv ntoo thiab nyob rau sab qab ntawm cov txiv hmab txiv ntoo thiab cov nplooj cherry, thiab thawj cov tsos mob ntawm qhov xwm txheej tsis zoo tuaj yeem kuaj pom thaum ntxov lub Tsib Hlis. Hauv cov xyoo ntub, thaj chaw cuam tshuam los ntawm tus kab mob qias neeg no tshwj xeeb tshaj yog loj. Txhawm rau txo qis kev tawm tsam ntawm tsob ntoo txiv ntoo, lawv yuav tsum tau muab kev saib xyuas kom raug - cov ntoo muaj kev noj qab haus huv thiab muaj zog nyob hauv
