Peach Scab Disease - Peach Scab Yog Dab Tsi Thiab Yuav Tiv Thaiv Li Cas

Cov txheej txheem:

Peach Scab Disease - Peach Scab Yog Dab Tsi Thiab Yuav Tiv Thaiv Li Cas
Peach Scab Disease - Peach Scab Yog Dab Tsi Thiab Yuav Tiv Thaiv Li Cas

Video: Peach Scab Disease - Peach Scab Yog Dab Tsi Thiab Yuav Tiv Thaiv Li Cas

Video: Peach Scab Disease - Peach Scab Yog Dab Tsi Thiab Yuav Tiv Thaiv Li Cas
Video: Common Peach Diseases and Insects and How to Prevent Them – Family Plot 2024, Kaum ib hlis
Anonim

Loj hlob txiv duaj hauv vaj hauv tsev yog qhov khoom plig zoo thiab qab heev. Hmoov tsis zoo, txiv duaj, zoo li lwm tsob ntoo txiv hmab txiv ntoo, yog cov kab mob thiab kab mob thiab yuav tsum tau saib xyuas yog tias ib tug xav kom muaj kev noj qab haus huv. Nrhiav qhov chaw xim av ntawm txiv duaj txiv duaj tuaj yeem yog qhov qhia txog qhov teeb meem hu ua kab mob peach scab. Yog xav paub ntxiv txog qhov teeb meem no thiab yuav ua li cas kho lossis tiv thaiv peach scab, nyeem ntxiv.

Peach Scab yog dab tsi?

Cov neeg cog txiv ntoo nyob rau sab qab teb sab hnub tuaj Tebchaws Meskas tsis tu ncua sib ntaus sib tua nrog cov kab mob hu ua scab. Scab kuj tshwm sim ntawm apricots thiab nectarines.

Peach scab kab mob cuam tshuam rau cov txiv hmab txiv ntoo, nplooj, thiab cov tub ntxhais hluas twigs. Damp tej yam kev mob thaum lub sij hawm caij nplooj ntoos hlav thiab lub caij ntuj sov thaum ntxov ua rau cov nplooj scab kev loj hlob. Qhov chaw qis qis, ntub dej, thiab qhov ntxoov ntxoo uas muaj huab cua tsis zoo yog qhov nyuaj tshaj plaws.

Cov kab mob uas ua rau pob khaus (Cladosporium carpophilum) overwinters nyob rau hauv twigs uas kis tau rau lub caij dhau los. Microscopic spores tsim nyob rau ntawm twig lesions. Cov fungus loj hlob sai tshaj plaws thaum qhov kub ntawm 65 txog 75 degrees F. (18-24 C.).

Symptoms of Peach Scab

Peach scab yog qhov pom zoo tshaj plaws ntawm cov txiv hmab txiv ntoo thaum nruab nrab mus rau lig kev loj hlob. Me me, puag ncig, txiv ntseej-xim me ntsistxhim kho ntawm cov txiv hmab txiv ntoo ze rau lub qia ntawm sab uas raug rau lub hnub. Raws li cov pob no loj, lawv sib koom ua ke thiab ua qhov txawv txav, tsaus ntsuab lossis dub blotches.

Cov txiv hmab txiv ntoo uas kis mob hnyav tuaj yeem stunted, tsis zoo, lossis tawg. Cov nplooj kuj raug mob thiab yog tias muaj kab mob, yuav muaj cov kab ntsuab ntsuab nyob rau hauv qab. Cov kab mob nplooj tuaj yeem qhuav thiab poob ntxov ntxov.

Peach Scab Treatment and Prevention

Txhawm rau tiv thaiv txiv duaj kab mob, nws yog ib qho tsim nyog kom tsis txhob cog tsob ntoo txiv ntoo hauv thaj chaw uas tsis tshua muaj, ntxoov ntxoo, lossis muaj cua tsis zoo thiab tso dej tsis zoo.

Khaws cov txiv hmab txiv ntoo uas muaj kab mob, cov nplooj poob, thiab nplooj khaws los ntawm hauv av nyob ib ncig ntawm cov ntoo thiab tuav lub sijhawm pruning tsis tu ncua los pab kom tsob ntoo noj qab haus huv. Nws yog ib qho tseem ceeb tshwj xeeb tshaj yog kom tshem tawm cov kab mob ua ntej lub caij loj hlob. Cov ntoo txiv ntoo qus los yog tsis saib xyuas uas nyob ib puag ncig yuav tsum tau muab tshem tawm.

Saib qhov muag ntawm tsob ntoo txiv ntoo rau cov kab mob twig thaum pruning lossis thinning. Ua ib daim ntawv qhia txog qhov chaw ntawm qhov txhab kom koj tuaj yeem saib xyuas lawv cov haujlwm. Tsis tas li ntawd, saib cov txiv hmab txiv ntoo kom zoo rau txhua yam cim qhia ntawm fungus. Yog hais tias ntau tshaj 20 txiv hmab txiv ntoo pom cov tsos mob ntawm tus kab mob, kev tswj yuav tsum yog qhov tseem ceeb.

Txoj kev kho txiv duaj tuaj yeem suav nrog kev siv tshuaj tua kab mob fungicides siv rau cov ntoo muaj kab mob txhua kaum hnub txij li lub sijhawm cov nplooj poob mus rau 40 hnub ua ntej sau. Txawm hais tias pom ib qho xim av ntawm txiv duaj txiv hmab txiv ntoo yuav siv sij hawm deb ntawm nws txoj kev zoo nkauj, nws feem ntau tsis cuam tshuam rau qhov zoo ntawm cov txiv hmab txiv ntoo, tsuav yog qhov kab mob tsis hnyav. Peel txiv hmab txiv ntooua ntej ua los yog noj tshiab.

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