Black Leaves On Magnolia Ntoo: Wasps On Black Magnolia Leaves

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Black Leaves On Magnolia Ntoo: Wasps On Black Magnolia Leaves
Black Leaves On Magnolia Ntoo: Wasps On Black Magnolia Leaves

Video: Black Leaves On Magnolia Ntoo: Wasps On Black Magnolia Leaves

Video: Black Leaves On Magnolia Ntoo: Wasps On Black Magnolia Leaves
Video: Get It Growing: How to treat scale on magnolia leaves 2024, Hlis ntuj nqeg
Anonim

Cov nplooj dub ntawm tsob ntoo magnolia yeej tsis yog ib qho cim zoo. Qhov teeb meem no tsis tas yuav qhia txog kev puas tsuaj. Thaum koj pom magnolia nplooj tig dub, tus neeg ua txhaum feem ntau yog kab me me hu ua magnolia nplai. Yog tias koj cov magnolia nyiam cov qwj nplais, qhov ntawd yog lwm qhov cim qhia tias koj cov nroj tsuag tau kis los ntawm cov kab nqus nqus cov kab no.

Nyeem rau kom paub ntau ntxiv txog qhov ua rau thiab kho cov nplooj blackened magnolia.

Black Leaves on Magnolia

Qee cov ntoo thiab tsob ntoo magnolia yog evergreen, txawm tias muaj ntau yam deciduous. Cov ntoo deciduous paj ua ntej nplooj (tsim ib qho kev nthuav qhia ntxiv), tab sis ob hom magnolia nroj tsuag paub txog lawv cov nplooj ntsuab txaus nyiam.

Thaum koj pom cov magnolia nplooj tig dub, koj paub tias koj cov nroj tsuag ntsib teeb meem. Txawm hais tias ib qho ntawm ntau qhov teeb meem tuaj yeem ua rau nplooj dub, feem ntau yuav ua rau muaj kab mos hu ua magnolia scale.

Wasps ntawm Dub Magnolia Leaves

Magnolia nplai zoo li me me immobile lumps ntawm cov ceg thiab qhov chaw ntawm magnolia nplooj. Cov kab no tsuas yog txav tau thaum lawv yug thawj zaug, tab sis loj hlob sai thiab tsis txav mus. Tej zaum koj yuav tsis pom magnolia nplai tshwj tsis yog cov pejxeem tawg.

Magnolia nplai muaj qhov ncauj zoo liaphids, uas lawv siv los tho rau hauv cov nroj tsuag. Lawv nqus cov as-ham thiab, tom qab ntawd, tshem tawm cov kua qab zib, nplaum hu ua honeydew.

Huab tais tsis yog qhov ua rau cov nplooj dub. Cov xim tsaus yog xim dub sooty pwm fungus uas loj hlob ntawm honeydew. Wasps hlub honeydew thiab tseem nyiam cov nplooj, yog li yog tias koj cov magnolia nyiam cov wasps, uas lees paub qhov ntsuas ntsuas.

Nkauj Ntxoog Ntsuag

Tsis yog cov zib ntab lossis cov quav ntawm nplooj magnolia tsis muaj teeb meem rau cov nroj tsuag. Txawm li cas los xij, sooty pwm txo cov photosynthesis. Qhov no txhais tau hais tias tus nplai kab mob magnolia yuav tsis muaj zog thiab yuav raug kev txom nyem los ntawm kev loj hlob stunted thiab txawm tias ceg ntoo tuag.

Thaum koj pom magnolia nplooj tig dub, koj yuav tsum tau nqis tes ua kom tshem tawm cov nplai. Yog tias cov kab tsuag tsuas yog nyob ntawm ob peb ceg, siv lub pruner ntse thiab txiav tawm cov kab mob. Sterilize lub pruner ntawm kev txiav kom tsis txhob kis kab mob.

Txwv tsis pub, siv cov tshuaj tua kab uas tau sau rau siv rau ntawm magnolia nplai. Qhov zoo tshaj plaws, koj yuav tsum tau tos kom tsuag kom txog thaum lub caij ntuj sov lig lossis lub caij nplooj zeeg thaum cov me nyuam tshiab tuaj txog. Raws li kev tiv thaiv, siv lub dormant horticultural roj tsuag ua ntej bud so nyob rau hauv caij nplooj ntoos hlav.

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