Plum Leaf Spot Symptoms: Tswj Cherry Leaf Spot On Plums

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Plum Leaf Spot Symptoms: Tswj Cherry Leaf Spot On Plums
Plum Leaf Spot Symptoms: Tswj Cherry Leaf Spot On Plums

Video: Plum Leaf Spot Symptoms: Tswj Cherry Leaf Spot On Plums

Video: Plum Leaf Spot Symptoms: Tswj Cherry Leaf Spot On Plums
Video: Q&A - What are these spots on the leaves of my peach tree? 2024, Hlis ntuj nqeg
Anonim

Me me, ntshav me me ntawm koj cov nplooj plum tuaj yeem txhais tau tias koj tsob ntoo muaj cov nplooj ntoo. Cov xov xwm zoo txog cherry nplooj nyob rau hauv plums yog tias feem ntau nws yog ib tug me me kab mob. Kev puas tsuaj rau cov txiv hmab txiv ntoo thiab cov qoob loo qoob loo feem ntau tsis loj, tab sis koj yuav xav siv qee yam kev tiv thaiv kom tsis txhob muaj tus kab mob no hauv koj lub vaj tsev.

About Cherry Nplooj Spot in Plums

Tus kab mob no yog kab mob fungal uas tawm tsam cov ntoo plum thiab ob qho tib si tart thiab qab zib cherry ntau yam. Qhov zoo tshaj plaws rau kev txhim kho tus kab mob no suav nrog qhov kub ntawm 60 txog 68 degrees Fahrenheit (15 txog 20 degrees Celsius) thiab cov av noo siab lossis los nag.

Raws li qhov kub thiab txias, tsuas yog ob peb teev ntawm cov dej noo tuaj yeem ua kom txaus ua rau cov kab mob germinate thiab pib kis tus ntoo. Cov fungus kis ntawm ib ceg lossis ib tsob ntoo mus rau lwm qhov los ntawm cua thiab dej. Cov spores overwinter nyob rau hauv nplooj litter thiab tuaj yeem ua rau kis kab mob rau lub caij nplooj ntoos hlav.

Cov cim ntawm Cherry Nplooj Spot ntawm Plums

Plum ntoo tsis tshua muaj kev cuam tshuam ntau dua li cov txiv ntoo rau tus kab mob no, tab sis lawv tseem muaj kev phom sij, yog li nws tseem ceeb heev uas yuav tsum tau saib xyuas cov paib. Plum nplooj cov tsos mob pib nrog me me,liab los yog liab doog nyob rau saum npoo ntawm nplooj.

Raws li kev kis tus kab mob mus ntxiv, cov pob ntawm nplooj tig thiab xuas nrig los ntawm, thiab qhov no ua rau muaj qhov txhaj tshuaj, zoo li ragged. Tom qab los nag koj yuav pom fuzzy liab los yog dawb spore pawg nyob rau hauv qab ntawm nplooj. Cov kab mob hnyav tuaj yeem ua rau lub sijhawm ntxov ntxov thiab cuam tshuam rau kev txhim kho cov txiv hmab txiv ntoo, tab sis qhov no muaj ntau dua hauv cov ntoo cherry dua li plums.

Tswj Plum nrog Cherry Leaf Spot

Txawm tias koj muaj cov paib cherry nplooj ntawm plums hauv koj lub vaj, nws tsis tas yuav muaj kev puas tsuaj. Koj tuaj yeem tswj hwm thiab tswj kev sib kis ntawm tus kabmob, txo qhov cuam tshuam ntawm tus kabmob.

Ntxuav cov nplooj litter txhua lub caij nplooj zeeg thiab hlawv kom tsis txhob kis kab mob uas twb muaj lawm. Siv cov tshuaj tua kab mob-ntau yam sib txawv yuav ua haujlwm-tiv thaiv cov ntoo noj qab haus huv thiab tshuaj tsuag ntoo nyob rau lub caij nplooj ntoo hlav uas cuam tshuam rau xyoo dhau los. Qhov no tuaj yeem tiv thaiv tus kab mob los ntawm kev rov pib dua.

Nws tseem ceeb heev los tiv thaiv thiab ntxiv dag zog rau cov ntoo uas tau cuam tshuam los ntawm cov nplooj ntoo. Cov kab mob tuaj yeem ua rau muaj kev ntxhov siab, yog li siv cov chiv ob peb zaug hauv ib xyoos thiab dej tsis tu ncua kom cov ntoo tuaj yeem vam meej txawm tias me me ntawm cov kab mob fungal.

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