Yellow Leaves On Dogwood Tsob Ntoo - Cov Lus Qhia Txog Dogwood Tsob Ntoo Nplooj Tig daj
Yellow Leaves On Dogwood Tsob Ntoo - Cov Lus Qhia Txog Dogwood Tsob Ntoo Nplooj Tig daj

Video: Yellow Leaves On Dogwood Tsob Ntoo - Cov Lus Qhia Txog Dogwood Tsob Ntoo Nplooj Tig daj

Video: Yellow Leaves On Dogwood Tsob Ntoo - Cov Lus Qhia Txog Dogwood Tsob Ntoo Nplooj Tig daj
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Caij nplooj zeeg nplooj ib sab, nplooj daj ntawm tsob ntoo feem ntau tsis qhia txog kev noj qab haus huv thiab kev loj hlob. Paj ntoo dogwood (Cornus florida) tsis muaj qhov zam. Yog tias koj pom koj tsob ntoo dogwood nplooj tig daj thaum lub caij cog qoob loo, tsob ntoo yuav raug kev txom nyem los ntawm kab tsuag, kab mob lossis tsis txaus. Nyeem ntawv kom paub seb yog vim li cas koj dogwood muaj nplooj daj.

Txoj Kev Mob Dogwood Ntoo

Thaum cov paj zoo nkauj qhib rau ntawm koj cov ntoo dogwood boughs, koj paub tias lub caij nplooj ntoo hlav tab tom taug kev. Cov ntoo ntoo no loj hlob tuaj thoob plaws lub xeev sab hnub tuaj, thiab nws kuj yog ib qho khoom siv nrov. Qhov me me ua haujlwm tau zoo hauv lub vaj hauv tsev thiab tom qab, tab sis kab lis kev cai tsis raug tuaj yeem ua rau cov ntoo dogwood mob.

Kev tiv thaiv zoo tshaj plaws tiv thaiv kab tsuag lossis kab mob tua koj tus dev yog muab kev saib xyuas tsim nyog rau koj tsob ntoo. Qhov no yooj yim dua thaum koj nkag siab tias dogwoods yog cov ntoo hauv cov tsiaj qus, loj hlob hauv ntxoov ntxoo ntawm cov av nplua nuj organic. Koj yuav tsum muab qhov chaw zoo sib xws.

Dogwood ntoo nrog nplooj daj - Borer Attacks

Yog tias koj tsob ntoo tsob ntoo tuag rov qab los yog nplooj tig xim daj ntxov, nws yuav qhia tau tias yog dogwood borer nres. Cov kab no feem ntaukab mob sib kis ntawm dogwood cultivated.

Cov neeg laus borers yog npauj ya hnub uas nteg qe qhov txhab los yog tawg ntawm tsob ntoo tawv. Raws li kab larva tshwm sim, lawv dhuav rau hauv tsob ntoo, tawm hauv qhov thiab sawdust-zoo li frass ua pov thawj ntawm lawv muaj. Cov nplooj daj ntawm cov ntoo dogwood tuaj yeem yog qhov cim ntxov ntawm tus kab mob.

Txhawm rau tiv thaiv tus kab mob borer, cog koj cov ntoo dog dig hauv qhov ntxoov ntxoo, tsis ncaj qha tshav ntuj, thiab muab dej txaus kom tsis txhob muaj dej. Tsis txhob muab cov nroj tsuag ze rau ntawm tsob ntoo lossis lwm yam ua rau nws cov tawv ntoo, vim qhov txhab ua rau muaj kev nkag mus rau cov borers.

Yellow Leaves on Dogwood Tsob Ntoo - Chlorosis

Lwm yam ua rau cov nplooj daj ntawm cov ntoo dogwood yog chlorosis. Dogwood ntoo raug rau cov hlau chlorosis, uas txhais tau hais tias cov ntoo tsis tau txais cov hlau txaus los tsim cov chlorophyll, cov xim ntsuab hauv nplooj.

Koj yuav tsum xav tias chlorosis yog daj ua ntej tshwm rau ntawm thaj chaw ntawm nplooj nplooj, tawm hauv cov leeg ntsuab. Hauv qhov xwm txheej hnyav dua, tag nrho cov nplooj tig daj daj.

Txhawm rau tiv thaiv chlorosis hauv koj tsob ntoo dogwood, xyuas cov av acidity ua ntej cog. Dogwoods tsis tuaj yeem nqus cov hlau hauv av yog tias nws yog alkaline dhau lawm, uas yog, yog tias pH siab dua 7.5. Thaum koj tab tom kuaj av, kuaj xyuas magnesium, manganese thiab boron qib ib yam nkaus, vim tias tsis muaj cov zaub mov no tuaj yeem ua rau chlorosis.

Thaum koj pom koj tsob ntoo dogwood nplooj tig daj vim muaj chlorosis, xyuas kom koj ywg dej kom tsim nyog. Overwatering tsob ntoo (los yog dej tsis zoo) tuaj yeemkuj ua rau chlorosis. Ib yam li ntawd, kev puas tsuaj hauv paus, girdling cov hauv paus hniav thiab pob tw qhov txhab tag nrho ua rau nws nyuaj rau tsob ntoo kom thauj cov as-ham.

Dogwood muaj nplooj daj - Lwm yam teeb meem

Yog koj tus dogwood muaj nplooj daj, tsob ntoo kuj yuav raug lwm yam kab mob. Piv txwv li, nplooj nrog powdery mildew tuaj yeem tig daj. Txheeb xyuas tus kab mob los ntawm cov hmoov dawb ntawm nplooj.

Ib yam li ntawd, cov kab mob nplai kuj tuaj yeem ua rau nplooj daj ntawm cov ntoo dogwood. Scales yog cov kab tsis muaj ceg uas zoo li cov pob me me ntawm cov nplooj ntoo lossis stems. Tua cov neeg laus thiab qe los ntawm kev txau cov roj horticultural thaum caij nplooj ntoos hlav.

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