2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Sooty blotch ntawm pear ntoo yog ob lub npe ntawm cov kab mob fungal uas tawm tsam pear ntoo thiab kuj yog ib qho kev piav qhia ntawm nws cov teebmeem. Sooty blotch ntawm pears tawm tsaus grey smudges los yog blotches rau sab nraud ntawm cov txiv hmab txiv ntoo. Sooty blotch, uas tseem cuam tshuam rau txiv apples, muaj ntau heev, yog li yog tias koj muaj pears hauv koj lub vaj tsev, koj yuav tsum paub txog cov kab mob fungal. Nyeem rau kom paub cov ntaub ntawv los pab koj txheeb xyuas pears nrog sooty blotch, nrog rau cov lus qhia rau pear sooty blotch kho.
About Sooty Blotch on Pears
Pears nrog sooty blotch raug cuam tshuam los ntawm cov kab mob lossis kab tias ntau cov kab mob. Cov no tuaj yeem suav nrog:
- Gloeodes pomigena
- Zygophiala jamaisensis
- Leptodontium elatius
- Peltaster fructicola
- YGeastrumia polystigmatis
Cov kab mob uas ua rau mob plab ua rau cov smudges dub ntawm daim tawv nqaij ntawm pear, smudges uas yog cov kab mob fungal. Pears nrog sooty blotch saib me ntsis qias neeg, zoo li yog ib tus neeg tuav lawv cov ntiv tes sooty.
Sooty blotch fungi overwinter nyob rau hauv cov nroj tsuag kab mob. Nws tuaj yeem nyob hauv brambles thiab nyom nrog rau lwm yam ntoo txiv ntoo. Cov fungi loj hlob nyob rau hauv ntub springs thiab summers thaum kubtseem txias. Sooty blotch ntawm pears detracts los ntawm cov tsos ntawm cov txiv hmab txiv ntoo. Pears loj hlob lag luam uas kis tus kab mob no tsis tuaj yeem ua lag luam txawm tias cov kab mob tsis nkag mus rau hauv lub cev.
Control ntawm Pear Sooty Blotch
Koj tuaj yeem txo koj cov txiv hmab txiv ntoo txoj kev pheej hmoo ntawm kev mob plab los ntawm kev saib xyuas kab lis kev cai uas koj muab rau koj lub vaj txiv hmab. Lub hom phiaj tseem ceeb yog tiv thaiv koj cov ntoo txiv ntoo kom tsis txhob ntub dej tom qab los nag vim cov kab mob yuav tsum tau siv sij hawm ntub dej kom vam meej.
Pruning koj cov ntoo pear tuaj yeem muab kev tswj hwm ntawm pear sooty blotch. Ib xyoo pruning qhib tsob ntoo rau lub hnub thiab cua, cia cov txiv hmab txiv ntoo sab hauv kom qhuav. Thaum muaj ntau lub txiv hmab txiv ntoo sib tw rau qhov chaw, pears kov ib leeg thiab nyob twj ywm ntub hauv cov duab ntxoov ntxoo. Thinning txiv hmab txiv ntoo kom cov tub ntxhais hluas pears tsis kov pab tiv thaiv kom txhob mob plab.
Ib yam li ntawd, kev txiav lub vaj txiv hmab tiv thaiv cov txiv hmab txiv ntoo qis kom tsis txhob ntub los ntawm kov cov nyom ntub dej. Tshem tawm brambles hauv cheeb tsam kuj muab kev tswj ntawm pear sooty blotch. Brambles yog tus tswv tsev loj ntawm cov kab mob thiab tuaj yeem hla mus rau cov vaj txiv hmab hauv cheeb tsam.
Fungicides kuj tuaj yeem ua ib feem ntawm pear sooty ob qho tib si kho. Siv cov tshuaj tua kab mob raws li daim ntawv qhia.
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