Thaum twg yuav tsum tau txhaj koob tshuaj?
Thaum twg yuav tsum tau txhaj koob tshuaj?

Video: Thaum twg yuav tsum tau txhaj koob tshuaj?

Video: Thaum twg yuav tsum tau txhaj koob tshuaj?
Video: Qhov tseem ceeb ntawm koj mus txhaj koob tshuaj COVID-19 rau zaum ob (Hmong) 2024, Hlis ntuj nqeg
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Rhizosphaera koob nrum ua rau koob tig purplish xim av thiab poob ntawm tsob ntoo, feem ntau yog los ntawm sab hauv ntawm tsob ntoo ua haujlwm tawm thiab los ntawm hauv qab ntawm tsob ntoo ua haujlwm. Rau kev tswj tau zoo, cov ntoo muaj kab mob yuav tsum ua kho ib zaug nyob rau nruab nrab lub Tsib Hlis thiab ntxiv plaub mus rau rau lub lis piam tom qab.

Ces, koj yuav ua li cas kho ib rab koob cam khwb cia?

Xav txog kho cuam tshuam cov ntoo nrog fungicides uas muaj cov khoom siv tooj liab (piv txwv li, Bordeaux sib tov) lossis chlorothalonil. Kev kho mob yuav tsis kho cov kab mob uas twb muaj lawm, tab sis tuaj yeem tiv thaiv kab mob ntxiv. Thov kev kho mob txhua peb mus rau plaub lub lis piam pib tshiab koob tshwm sim nyob rau lub caij nplooj ntoos hlav.

Ib yam li ntawd, puas Norway spruce tau txais koob cam? Norway spruce Nws raug rau ntau yam kab mob, tab sis ob lub ntsiab yog cytospora canker kab mob thiab Rhizosphaera. koob nrum . Ob yam kab mob tshwm sim vim muaj fungus loj hlob ntawm tsob ntoo, tab sis txhua tus muaj cov tsos mob sib txawv.

Ib sab ntawm qhov no, dab tsi ua rau Rhizosphaera koob cam khwb cia?

Rhizosphaera koob cam khwb cia yog ua rau los ntawm fungus Rhizosphaera kalkhoffii ua. Cov fungus ciaj sia lub caij ntuj no ntawm kev ua neej nyob thiab tsis ntev los no raug tua koob . Nyob rau hauv lub caij nplooj ntoos hlav txog thaum ntxov Autumn, spores kis mus rau tshiab koob nyob rau hauv tsob ntoo los yog nyob rau hauv cov ntoo nyob sib ze ntawm cov dej txaws.

Vim li cas xiav spruce koob poob?

Cytospora canker, fungal kab mob , yog feem ntau yog vim li cas rau unnatural koob poob rau Colorado xiav spruce . Cytospora canker yog ib qho mob heev kab mob ntawm cov laus, paub tab Colorado spruce nyob rau hauv Midwest. Thawj cov tsos mob yog browning ntawm koob ntawm lub tswv yim ntawm cov ceg, ua raws li kev tuag ntawm cov ceg qis.

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