Dab tsi yog Barley Npog Smut - Ua Haujlwm Nrog Npog Smut Ntawm Barley Cov qoob loo

Cov txheej txheem:

Dab tsi yog Barley Npog Smut - Ua Haujlwm Nrog Npog Smut Ntawm Barley Cov qoob loo
Dab tsi yog Barley Npog Smut - Ua Haujlwm Nrog Npog Smut Ntawm Barley Cov qoob loo

Video: Dab tsi yog Barley Npog Smut - Ua Haujlwm Nrog Npog Smut Ntawm Barley Cov qoob loo

Video: Dab tsi yog Barley Npog Smut - Ua Haujlwm Nrog Npog Smut Ntawm Barley Cov qoob loo
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Anonim

Smut yog ib yam kab mob fungal uas ua rau kev puas tsuaj rau cov qoob loo xws li barley, oats, thiab rye. Ib hom smut hu ua "pob smut" thiab nws yog ib qho teeb meem tiag tiag rau cov loj hlob barley hauv lub tebchaws no thiab thoob ntiaj teb. Barley npog smut yog dab tsi? Yuav ua li cas kho barley npog smut? Nyeem rau kom paub meej txog barley nrog npog smut, nws cov tsos mob, nws cuam tshuam, thiab koj cov kev xaiv los tswj nws.

Barley Covered Smut yog dab tsi?

Tus kab mob fungal no hu ua "cov smut." Thaum nws tawm tsam barley txawm li cas los xij, qee tus xa mus rau nws li npog smut ntawm barley lossis barley npog smut. Barley nrog npog smut yog tshwm sim los ntawm fungus Ustilago hordei. Nws muaj qhov cuam tshuam tiag tiag thiab tsis zoo rau cov qoob loo qoob loo.

Cov kab mob smut tuaj yeem hloov mus rau hauv cov qoob loo barley los ntawm cov kab mob ntawm cov noob barley, cov kab mob uas tau tawg rau hauv cua, lossis spores overwintering hauv av. Uas ua rau tus kab mob no nyuaj rau tswj.

About Barley with Covered Smut

Qhov sib txawv ntawm qhov tsis tu ncua uas tawm tsam barley thiab npog smut yog tias cov spores ntawm fungus yog them los ntawm lub teeb membrane. Qhov no tseem ceeb tuav lawv nyob rau hauv qhov chaw (ntawm smuttedspikelets) txog thaum lawv tawm thaum lub sij hawm sau qoob loo.

Thaum lub sijhawm barley npaj txhij rau kev sau, cov noob tau hloov tag nrho los ntawm moss ntawm smut spores (hu ua teliospores). Qee lub sij hawm cua los nag ruptures daim nyias nyias ua ntej. Thaum twg qhov no tshwm sim, ntau lab tus microscopic teliospores raug tso tawm rau hauv thaj chaw uas lawv tuaj yeem tua lwm cov nroj tsuag barley lossis kis rau hauv av.

Yuav ua li cas kho Barley Covered Smut

Hmoov tsis zoo, nws nyuaj rau kho barley npog smut thaum cov qoob loo tau tawm tsam. Txawm li cas los xij, muaj cov kev kho cov noob rau cov smut ntawm barley uas tau ua pov thawj zoo.

Qhov zoo tshaj plaws barley npog smut tswj tuaj yeem ua tiav los ntawm kev siv cov noob tsis muaj ntawv pov thawj. Qhov no tuaj yeem txo lossis tshem tawm cov kab mob los ntawm koj cov qoob loo barley.

Yog tias koj xav paub yuav ua li cas kho barley npog smut noob uas tsis smut-resistant, nws nyuaj me ntsis. Koj tuaj yeem siv cov dej kub kho kom tshem tau cov kab mob smut los ntawm cov noob kab mob, tab sis nws kuj tuaj yeem txo qis qhov tseem ceeb ntawm cov noob.

Koj qhov kev xaiv zoo tshaj plaws rau barley npog smut tswj hauv qhov xwm txheej no yog kho cov noob nrog kev tiv tauj hom fungicides. Qhov no tswj tau npog smut rau sab nraud ntawm cov noob, uas yuav mus ntev heev kom txo tau qhov cuam tshuam ntawm tus kab mob.

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