Kho Hollyhock Anthracnose - Tswj Anthracnose Ntawm Hollyhocks

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Kho Hollyhock Anthracnose - Tswj Anthracnose Ntawm Hollyhocks
Kho Hollyhock Anthracnose - Tswj Anthracnose Ntawm Hollyhocks

Video: Kho Hollyhock Anthracnose - Tswj Anthracnose Ntawm Hollyhocks

Video: Kho Hollyhock Anthracnose - Tswj Anthracnose Ntawm Hollyhocks
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Anonim

Zoo nkauj loj hollyhock paj ua kom zoo nkauj ntxiv rau paj txaj thiab lub vaj; Txawm li cas los xij, lawv tuaj yeem tso qis los ntawm me ntsis fungus. Anthracnose, ib hom kab mob fungal, yog ib qho ntawm cov kab mob loj tshaj plaws ntawm hollyhock. Paub paub, tiv thaiv, thiab tswj tus kab mob no kom txuag koj cov paj.

Hollyhock Anthracnose Symptoms

Tus kab mob tshwj xeeb no tshwm sim los ntawm cov kab mob, Colletotrichum malvarum. Nws yog ib qho kev puas tsuaj uas cuam tshuam rau stems, petioles, thiab nplooj ntawm hollyhock nroj tsuag. Nws yog ib qho tseem ceeb kom paub cov cim qhia thiab cov tsos mob ntawm tus kab mob kom koj tuaj yeem ua cov kauj ruam tam sim kom kis tus kab mob tswj tau ua ntej koj cov nroj tsuag poob tag nrho.

Hollyhock nrog anthracnose yuav tsim cov pob dub ntawm nplooj thiab stems. Cov pob kuj tuaj yeem yog xim daj lossis liab. Tus kab mob no kis tau sai heev thiab tej zaum yuav pib tsim pinkish, slimy spores. Ntawm lub qia koj yuav pom cov kab dub. Thaum kawg, cov nplooj yuav wilt, daj, thiab poob.

Tiv Thaiv thiab Kho Hollyhock Anthracnose

Anthracnose ntawm hollyhocks yog qhov tuag taus rau cov nroj tsuag yog tias koj tsis ua cov kauj ruam los tswj tus kab mob sai. Daim ntawv thov tsis tu ncua ntawm fungicide tuaj yeem tiv thaiv thiab txuag koj cov nroj tsuag yog tias siv ntxov txaus. Tsuas yog tsis txhob siv tshuaj tua kab mob thaum kub siab dhau,txog 85 degrees F. (29 C.) thiab siab dua.

Kev tswj hwm ntawm anthracnose zoo yuav tsum suav nrog kev tiv thaiv. Colletotrichum fungus hlob zoo nyob rau hauv sov, moist tej yam kev mob thiab ciaj sia nyob rau hauv cov av raws li zoo raws li nyob rau hauv kab mob cov ntaub ntawv. Yog tias koj muaj cov nroj tsuag kab mob koj cawm tsis tau, rhuav tshem lawv thiab tshem tawm tag nrho cov khoom tuag hauv av. Tshuaj tua kab mob txhua yam uas koj siv.

Nroj hollyhock paj nrog qhov chaw txaus nruab nrab ntawm lawv kom airflow yuav tiv thaiv kev sau ntawm noo noo. Tsis txhob ywg dej cov nroj tsuag saum toj no. Ua tib zoo saib xyuas cov tsos mob ntawm tus kab mob thiab kho thaum ntxov. Yog tias koj muaj teeb meem nrog tus kab mob no ua ntej, pib kho cov hollyhocks sai li sai tau thaum lawv tshwm sim rau lub caij nplooj ntoo hlav.

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