Viroid Plant Diseases - Yuav ua li cas Viroids txawv ntawm tus kab mob

Cov txheej txheem:

Viroid Plant Diseases - Yuav ua li cas Viroids txawv ntawm tus kab mob
Viroid Plant Diseases - Yuav ua li cas Viroids txawv ntawm tus kab mob

Video: Viroid Plant Diseases - Yuav ua li cas Viroids txawv ntawm tus kab mob

Video: Viroid Plant Diseases - Yuav ua li cas Viroids txawv ntawm tus kab mob
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Anonim

Muaj ntau yam me me me uas mus ua pob thaum hmo ntuj, los ntawm cov kab mob fungal, mus rau cov kab mob thiab cov kab mob, feem ntau cov neeg ua teb muaj tsawg kawg yog ib qho kev paub dhau los nrog cov dab uas tos kom rhuav tshem lawv lub vaj. Nws yog qhov chaw sib ntaus sib tua thiab qee zaum koj tsis paub tseeb tias leej twg yeej. Zoo, ntawm no yog xov xwm phem. Muaj lwm chav kawm ntawm critters, viroids, khiav amok nyob rau hauv lub ntiaj teb microscopic, tab sis lawv tsis tshua muaj hais. Qhov tseeb, ntau yam kab mob uas peb ntaus nqi rau cov kab mob cog yog tshwm sim los ntawm viroids. Yog li rov qab los, cia peb qhia koj txog ib qho kev ntshai ntxiv ntawm lub vaj ntiaj teb.

Vim yog dab tsi?

Viroids zoo ib yam li cov kab mob uas koj tau kawm hauv chav kawm biology. Lawv yog cov kab mob yooj yim heev uas nyuam qhuav ua tau raws li cov txheej txheem rau lub neej, tab sis tswj hwm qee qhov kev tsim tawm thiab ua rau muaj teeb meem txhua qhov chaw lawv mus. Tsis zoo li cov kab mob, viroids muaj ib qho strand RNA molecule thiab tsis muaj lub tsho tiv thaiv protein. Lawv tau tshawb pom thaum xyoo 1960, thiab txij li ntawd los peb tau sim txiav txim siab seb tus kab mob viroid txawv li cas.

kab mob Viroid hauv cov nroj tsuag yog tshwm sim los ntawm 29 viroids hauv ob tsev neeg nkaus xwb: Pospiviroidae thiabAvsunviroidae. Cov kab mob viroid paub zoo dua suav nrog:

  • Txiv Neej Chloric Dwarf
  • Apple Fruit Crinkle
  • Chrysanthemum Chlorotic Mottle

Cov cim qhia ntawm cov kab mob viroid nroj tsuag, xws li yellowing thiab curled nplooj, ntseeg tau tias yog tshwm sim los ntawm cov kab mob viroids paring lawv tus kheej RNA nrog rau cov nroj tsuag muaj kev txom nyem tus tub txib RNA, cuam tshuam nrog kev txhais lus zoo.

Viroid kho

Nws yog txhua yam zoo thiab zoo kom nkag siab tias viroids ua haujlwm li cas hauv cov nroj tsuag, tab sis qhov koj yuav tuag tiag tiag kom paub yog koj tuaj yeem ua li cas txog lawv. Tu siab, koj ua tsis tau ntau. Txog tam sim no, peb tseem tsis tau tsim kho kom zoo, yog li kev ceev faj tsuas yog kev tiv thaiv xwb. Nws tsis paub meej yog tias aphids kis cov kab mob me me no, tab sis vim tias lawv kis tau tus kab mob sai sai, nws tau lees paub tias lawv yog cov kab mob muaj peev xwm.

Qhov no txhais tau li cas rau koj yog tias koj yuav tsum ua qhov zoo tshaj plaws los xaiv cov nroj tsuag noj qab haus huv rau koj lub vaj thiab tom qab ntawd tiv thaiv lawv los ntawm viroids los ntawm kev sib ntaus sib tua. Khaws aphids tawm ntawm koj cov nroj tsuag los ntawm kev txhawb cov kab tua kab, zoo li ladybugs, thiab tshem tawm kev siv tshuaj tua kab. Tom qab tag nrho, cov txiv neej tuaj yeem teb sai dua li qhov koj xav tau rau tus kab mob aphid.

Koj tseem yuav xav xyaum ua kom huv huv yog tias koj ua haujlwm ze ntawm tsob ntoo uas muaj lus nug tsis zoo. Nco ntsoov ntxuav koj cov cuab yeej ntawm cov nroj tsuag, siv cov tshuaj dawb los yog tshuaj tua kab mob hauv tsev, thiab tshem tawm thiab pov tseg cov nroj tsuag muaj mob sai. Nrog qee qhov kev siv zog ntawm koj feem, koj tuaj yeem ua kom muaj kev hem thawj viroidkom tsawg kawg hauv koj lub vaj.

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