Southern Pea Powdery Mildew Info: Pom Powdery Mildew Ntawm Yav Qab Teb Peas

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Southern Pea Powdery Mildew Info: Pom Powdery Mildew Ntawm Yav Qab Teb Peas
Southern Pea Powdery Mildew Info: Pom Powdery Mildew Ntawm Yav Qab Teb Peas

Video: Southern Pea Powdery Mildew Info: Pom Powdery Mildew Ntawm Yav Qab Teb Peas

Video: Southern Pea Powdery Mildew Info: Pom Powdery Mildew Ntawm Yav Qab Teb Peas
Video: How to Treat Powdery Mildew on Peas & Other Vegetables Using Milk Spray, Saving Pea Seeds 2024, Hlis ntuj nqeg
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Powdery mildew ntawm yav qab teb peas yog ib qho teeb meem tshwm sim. Feem ntau, nws tsis puas thaum ntxov cog peas, tab sis nws tuaj yeem rhuav tshem lub caij ntuj sov lig lossis caij nplooj zeeg. Nws yog ib qho tseem ceeb kom paub txog cov tsos mob ntawm yav qab teb peas nrog powdery mildew nyob rau hauv thiaj li yuav tuaj nrog ib txoj kev tswj xyuas ua ntej qhov teeb meem yuav hnyav heev. Cov kab lus hauv qab no muaj cov ntaub ntawv qhia txog cov kab mob mildew yav qab teb thiab cov lus qhia txog yav qab teb pea powdery mildew tswj.

Cov tsos mob ntawm Powdery Mildew ntawm Southern Peas

Powdery mildew cuam tshuam rau litany ntawm lwm cov qoob loo. Nyob rau hauv cov ntaub ntawv ntawm yav qab teb peas nrog powdery mildew, cov fungus Erysiphe polygoni yog tus culprit. Qhov no fungus tshwm raws li ib tug qhia-taleas lub teeb grey mus yuav luag dawb powdery loj hlob nyob rau saum npoo ntawm nplooj, pods, thiab qee zaus lub stems ntawm cov nroj tsuag. Kev loj hlob ntawm cov nroj tsuag tshiab yuav contorted, dwarfed, thiab tej zaum yuav daj thiab poob. Pods yog twisted thiab stunted. Raws li tus kab mob loj tuaj, tag nrho cov nroj tsuag tuaj yeem tig daj thiab defoliate.

Powdery mildew ntawm yav qab teb peas feem ntau tshwm sim ntawm nplooj thiab stems. Cov talc-zoo li powdery mildew yog tsim los ntawm cov spores uas yog cua tshuab kom kis tau cov nroj tsuag nyob ze. Raws li tus kab mob hnyav defoliate taum,yield txo qis. Cov pods uas ua daim ntawv tsim purplish spotting thiab ua distorted, yog li unsalable. Rau cov neeg cog qoob loo, tus kab mob no tuaj yeem ua rau poob nyiaj txiag loj.

Powdery mildew reproduces thaum lub sij hawm qhuav qhuav, txawm hais tias cov av noo ntau ntxiv ua rau muaj tus kab mob hnyav thiab lub sij hawm ntawm cov dej lwg hnyav hnyav. Tsis txhob tsis meej pem nrog downy mildew, powdery mildew ua hnyav thaum lub sij hawm los nag tsawg.

Txawm hais tias cov fungus xav tias yuav muaj sia nyob ntawm cov tsiaj qus thiab lwm yam nroj tsuag, tsis muaj leej twg paub tias nws muaj sia nyob li cas ntawm lub caij qoob loo.

Southern Pea Powdery Mildew Control

Txau los yog hmoov av nrog leej faj raws li cov chaw tsim khoom cov lus qhia ib zaug pom muaj kab mob ntawm cov kab mob mildew nyob rau yav qab teb peas. Siv sulfur ntawm 10 mus rau 14 hnub ib ntus. Tsis txhob siv thaum kub tshaj 90 degrees F. (32 C.) lossis rau cov nroj tsuag hluas.

Txwv tsis pub, cov kab mob pwm yog qhov zoo tshaj plaws los ntawm kev coj noj coj ua. Yog tias muaj, xaiv cov cultivars resistant rau cog. Tsuas yog cog cov noob tau ntawv pov thawj uas tau kho nrog fungicide. Xyaum ua qoob loo. Cog cov peas yav qab teb nyob rau hauv qhov dej ntws zoo thiab tsuas yog dej ntawm lub hauv paus ntawm cov nroj tsuag.

Post-sau, tshem cov qoob loo uas muaj peev xwm harbor tus fungus thiab cia nws overwinter.

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