2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40
Cercosporosis tshwj xeeb tshaj yog cuam tshuam rau beet nplooj uas tau ua tiav lawv txoj kev loj hlob. Hauv qhov no, nws thawj cov cim hauv thaj tsam yav qab teb ntawm lub tebchaws tuaj yeem pom nyob rau thawj ib nrab ntawm Lub Rau Hli, thiab hauv cheeb tsam nruab nrab thaum nruab nrab Lub Xya Hli. Ob lub noob thiab niam tsob ntoo cuam tshuam los ntawm cercospora nrog tib lub zog. Qhov phom sij ntawm tus kab mob no nyob ntawm qhov tseeb tias nws yuam kom cog qoob loo los tsim nplooj tshiab, siv nyiaj ntau ntau ntawm cov as -ham thiab lub zog rau cov txheej txheem ntawm lawv tsim. Nyob rau tib lub sijhawm, qhov loj ntawm cov hauv paus qoob loo tau txo qis, thiab raws li, qhov ntim ntawm cov qoob loo kuj tseem poob qis
Ob peb lo lus hais txog tus kab mob
Ntawm cov ceg cuam tshuam los ntawm cercospora nrog nplooj, liab-xim av sib npaug specks tshwm, txoj kab uas hla ntawm 2 mus rau 4 hli. Thiab qhov nruab nrab ntawm cov pob zeb no tau pleev xim rau hauv cov xim ashy.
Thaum huab cua ntub tau tsim, cov chaw tsim tau pib tsim thaj tsam ntawm cov kab mob fungal sporulation, npog nrog cov paj daj. Thiab thaum huab cua qhuav dua, cov ntaub so ntswg yuav maj mam pib poob, thiab cov nplooj yuav dhau los ua qhov tawg. Cov seem me me ntxiv ua ke tom qab qee lub sijhawm, npog tag nrho saum npoo ntawm nplooj, thiab cov nplooj nplooj tuaj curl thiab maj mam tuag. Feem ntau, cov noob qes kuj cuam tshuam los ntawm kab mob cercosporosis, kis cov noob.
Kab mob beetroot zaub feem ntau yog me me, khaws ntau zuj zus thiab feem ntau rot thaum khaws cia.
Los ntawm txoj kev, tus kab mob tsis zoo ua rau muaj tus kab mob cercosporosis, ntxiv rau beets (ob qho qab zib thiab rooj, thiab fodder), tseem tuaj yeem kis cov qos yaj ywm nrog taum pauv, taum pauv nrog sorrel, alfalfa thiab ntau tus nroj tsuag nroj tsuag (quinoa, sow) thistle, dandelion, bindweed, thiab lwm yam)). Thiab lub hauv paus ntawm kev kis tus kab mob yog mycelium, uas nyob rau lub caij ntuj sov hauv niam beets, ntxiv rau hauv cov petioles thiab nplooj tuag.
Kev sib kis ntawm beet cercosporosis tshwm sim feem ntau hauv cov cheeb tsam nrog huab cua sov thiab sov. Qhov xwm txheej zoo tshaj plaws rau nws txoj kev txhim kho yog qhov ntsuas kub ntau dua kaum tsib degrees thiab nruab nrab cov cua nyob nruab nrab txhua hnub hauv 70%.
Tshwj xeeb tshaj yog muaj zog cercosporosis tawm tsam cov qoob loo uas tsis hloov qoob loo, nrog rau cov qoob loo ntau dhau.
Yuav ua li cas sib ntaus
Lub ntsiab lus tseem ceeb ntawm kev daws teeb meem kev puas tsuaj no yog kev ua raws txoj cai yooj yim ntawm kev cog qoob loo. Cov seem ntawm cov nroj tsuag yuav tsum tau muab tshem tawm thaum lub caij nplooj ntoo zeeg, muab lawv tso rau hauv cov av mus rau qhov tob ntawm nees nkaum tsib txog rau peb caug centimeters. Ib qho kev ntsuas tseem ceeb heev thaum loj hlob beets tseem ua raws cov cai ntawm kev cog qoob loo. Qhov zoo tshaj plaws ua ntej rau beets yog qos yaj ywm, lub caij ntuj no nplej, dos, dib, thiab lwm yam.
Kev npaj cov noob zoo yog qhov tseem ceeb. Ob peb xyoos ua ntej pib cog qoob loo, nws raug nquahu kom siv cov ntxhia zoo thiab ntau yam chiv chiv rau cov av raws nws cov neeg ua ntej. Cov quav kuj tseem siv rau cov neeg ua ntej.
Sowing beets yuav tsum tau nqa tawm ntawm lub sijhawm pom zoo, thiab thaum lub sijhawm nws loj hlob, kev kho ib leeg-kab tau ua tiav kom txog thaum cov kab kaw. Nroj tsuag yuav tsum tau muab tshem tawm ntawm ob lub txaj thiab los ntawm thaj chaw uas nyob ib sab ntawm lawv. Yuav tsis ua mob thaum lub sij hawm kev loj hlob ntawm beets thiab pub nrog phosphorus-poov tshuaj chiv. Feem ntau, qhov tseem ceeb tshaj plaws ntawm cov tshuaj chiv yog siv nyob rau lub caij nplooj zeeg (feem ntau nws yog "Kemira Universal" lossis nitroammofosk), thiab tus nqi ntawm lawv daim ntawv thov raug xaiv coj los rau hauv tus account cov ntaub ntawv tau txais los ntawm kev tshuaj xyuas cov av hauv av.
Tab sis kev siv cov fungicides txhawm rau tshem tawm cov kab mob cercosporosis yuav tsum tso tseg, vim cov tshuaj muaj nyob hauv lawv tuaj yeem pib sib sau hauv cov hauv paus qoob loo, ua rau lawv tsis haum rau tib neeg thiab tsiaj txhu noj. Tsuas yog nyob rau qhov xwm txheej nyuaj tshwj xeeb yog qee zaum nws tau tso cai nphoo cov qoob loo nrog ib feem pua Bordeaux sib xyaw. Feem ntau, cov tshuaj tua kab tau siv tsuas yog tawm tsam cov nyom - raws li txoj cai, cov no yog kev npaj "Dual Gold" lossis "Fuzilad Forte".
Pom zoo:
Cercosporosis Ntawm Dos Thiab Qej
Cercosporosis yog kab mob tsis zoo heev ntawm cov qej thiab dos. Tshwj xeeb tshaj yog feem ntau koj tuaj yeem ntsib nws hauv Far East. Kev phom sij ntawm cercosporosis feem ntau yog nyob hauv qhov tseeb tias nplooj ntawm dos thiab qej pib tuag ntxov ua ntej, yog li txo ob qho tib si zoo thiab ntim ntawm cov qoob loo. Yog li, nws yog qhov yuav tsum tau tawm tsam cercospora
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Carrot cercosporosis yog qhov kev tawm tsam tsis txaus ntseeg, nrog rau qhov pom ntawm lub teeb xim av me me nrog lub teeb nruab nrab ntawm cov zaub ntug hauv paus. Nws yog qhov ua tau kom ntsib tus mob cercosporosis ntau zaus, tab sis nws tau nthuav dav yuav luag txhua qhov txhia chaw. Tus kab mob no tshwj xeeb tshaj yog muaj kev phom sij nyob rau thaj chaw uas muaj huab cua ntau thiab hauv thaj av nyab. Nws feem ntau tshwm sim thaum lub caij los nag. Yog tias qhov txhab mob hnyav heev, cov nplooj yuav pib tuag tawm ntxov ua ntej, thiab cov hauv paus hniav - chalk