Kua Txob Mosaic

2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40

Kua txob mosaic yog ib qho kab mob uas tsim nyog. Ntxiv rau kua txob, zaub xas lav, qos yaj ywm, taum, clover, peas, qab zib clover, taum thiab muaj txiaj ntsig zoo ntawm cov nyom tuaj yeem cuam tshuam los ntawm nws. Cov qoob loo uas muaj kab mob hnyav yog tus yam ntxwv ntawm kev tsim txom, txhim kho tsis zoo, thiab qee zaum txawm tias tuag. Nrog kev swb nyob rau theem pib ntawm cov yub, poob yog qhov tshwj xeeb tshaj yog loj. Qhov xwm txheej no nyuaj heev los ntawm qhov tseeb tias tshem tawm cov kab mob kis tuaj yeem nyuaj heev

Ob peb lo lus hais txog tus kab mob

Feem ntau, cov cim ntawm mosaic tshwm ntawm cov kua txob nplooj hauv daim ntawv ntawm qhov me me daj thiab dawb. Ntawm yuav luag txhua nplooj nplooj, koj tuaj yeem pom qhov sib txawv ntawm thaj chaw ntawm lub teeb ntsuab, tsaus ntsuab thiab daj. Thiab raws cov nplooj nplooj tseem ceeb, necrosis tuaj yeem tshwm sim. Nplooj engraving thiab ferniness tseem suav tias yog cov yam ntxwv ntawm mosaic. Hauv qee kis, nplooj tuaj yeem hloov pauv thiab maj mam tig dub, thiab qee zaum poob tawm ua ntej.

Ntawm cov petioles nrog cov qia, kev tsim cov kab txaij tsaus nti thiab necrosis maj mam pib. Thiab ntawm cov txiv hmab txiv ntoo ntawm kua txob, nyuaj siab brownish specks daim ntawv. Cov txiv hmab txiv ntoo lawv tus kheej tau txo qis me me.

Lub hauv paus txheej txheem ntawm kua txob kuj qee zaum tuaj yeem cuam tshuam los ntawm mosaics, txawm li cas los xij, tsis muaj qhov tshwm sim sab nraud tau sau tseg hauv qhov no, thiab yog li nws muaj peev xwm tsim kom muaj kev puas tsuaj rau cov hauv paus hniav tsuas yog thaum ua kev tshawb fawb tshwj xeeb hauv chav kuaj.

Mosaic txo qis cov nplooj ntoo tawm, vim qhov uas cov nroj tsuag ua kom sov thiab lawv cov qoob loo poob qis. Ntxiv mus, feem ntau, poob los ntawm tsib txog rau peb caug feem pua thiab nyob ntawm lub sijhawm pom ntawm ntau yam tsos mob.

Tus neeg sawv cev ua rau muaj mob hnyav yog Tobacco mosaic virus. Thiab nws kis tau ntau zaus los ntawm kev nqus kab (piv txwv li, aphids), cov tshuaj tua kab tsis zoo, nrog rau cov noob muaj kab mob thiab kua txiv ntawm cov nroj tsuag muaj kab mob. Siv cov cuab yeej hauv vaj tsis muaj tshuaj tua kab nruab nrab kuj tseem tuaj yeem ua rau kis mosaic. Feem ntau, kev kis tus kab mob los ntawm kev sib cuag tau sau tseg hauv lub tsev cog khoom.

Rau cov qoob loo loj hlob hauv av qhib, tus kab mob no tsis muaj teeb meem - feem ntau nws tawm tsam cov kua txob loj hlob hauv tsev cog khoom. Kev phom sij ntawm tus kab mob rhuav tshem yog vim nws muaj peev xwm tshwj xeeb thiab muaj kev sib kis.

Yuav ua li cas sib ntaus

Kab mob kis nrog cov cim ntawm mosaic pom ntawm lawv yuav tsum raug tshem tawm tam sim ntawd los ntawm qhov chaw. Nroj tsuag kuj raug tshem tawm, suav nrog los ntawm txoj kev taug. Ib qho tseem ceeb tshaj plaws tiv thaiv kev tiv thaiv yog tiv thaiv cov aphids raws sijhawm los ntawm kev txau. Tsis muaj qhov xwm txheej twg yuav tsum tau muab cov kua txob tso rau hauv thaj chaw uas ib zaug kab lis kev cai twb tau cuam tshuam los ntawm mosaics.

Nws yog qhov tseem ceeb ib yam los xaiv rau cog ntau hom mosaic-resistant thiab F1 hybrids. Cov no suav nrog: Sonata, Atlas, Rubik's Cube, Aries, Orange Wonder, Gift of the Caspian, Indalo, Montero, Cardinal, Jiminy and Blondie. Thiab Jubilee Semko F1 yog kev sib xyaw ua ke rau tus kab mob.

Noob yuav tsum tau cog tshwj xeeb tshaj yog los ntawm cov nroj tsuag muaj kev noj qab haus huv. Lawv feem ntau hla kev npaj cov noob tsim nyog. Ua ntej, nws raug pom zoo kom sov cov noob rau peb hnub ntawm qhov kub ntawm xya caum degrees, thiab tom qab ntawd kho lawv nrog 10% sodium phosphate tov lossis 2% sodium hydroxide tov. Lossis koj tuaj yeem yooj yim tua cov noob rau ib nrab teev nyob rau hauv kev daws ntawm saturated ntshav liab poov tshuaj permanganate.

Txog ib zaug txhua peb lub lis piam, thaum cog cov kua txob cog, nws tau ywg dej nrog lub teeb liab daws ntawm poov tshuaj permanganate.

Cov av mus rau hauv qhov uas cov kua txob cog tau pauv mus yuav tsum tsis txhob kub ntau, nws qhov kub siab tshaj plaws tso cai yog 28 degrees. Tom qab cog cov yub hauv lub tsev cog khoom, nws raug nquahu kom nqa tawm ob peb nplooj ntoo ntawm cov kua txob nrog kev daws teeb meem ntawm ntau yam microelements. Tsis tas li, txhua kaum hnub, cog cov kua txob yuav tsum tau tshuaj xyuas kom pom cov mosaic.

Rau kev tiv thaiv mosaics, nws yog qhov muaj txiaj ntsig zoo rau txau cov kua txob hauv hav zoov nrog cov kua dej-tov (1:10), uas ntxiv ob peb tee iodine ntxiv. Qhov kawg ntawm kev txau nrog cov tshuaj zoo li no, cov nroj tsuag tau npog luv luv nrog cov yeeb yaj kiab kom tus kab mob tsis tuaj yeem kis los ntawm kev sib cuag.