Foot Rot In Sweet Potatoes - How To Treat Sweet Potatoes With Ko Taw Rot

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Foot Rot In Sweet Potatoes - How To Treat Sweet Potatoes With Ko Taw Rot
Foot Rot In Sweet Potatoes - How To Treat Sweet Potatoes With Ko Taw Rot

Video: Foot Rot In Sweet Potatoes - How To Treat Sweet Potatoes With Ko Taw Rot

Video: Foot Rot In Sweet Potatoes - How To Treat Sweet Potatoes With Ko Taw Rot
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Anonim

Raws li txhua lub tuber, qos yaj ywm qab zib muaj ntau yam kab mob, feem ntau yog fungal. Ib yam kab mob no hu ua qos yaj ywm ko taw rot. Ko taw rot ntawm qos yaj ywm qab zib yog ib yam kab mob me me, tab sis hauv kev lag luam tuaj yeem ua rau muaj kev lag luam loj. Txawm hais tias muaj kev puas tsuaj rau cov qos yaj ywm qab zib nrog ko taw rot yog qhov tsis zoo, nws tseem pom zoo kom kawm paub tswj ko taw rot hauv cov qos yaj ywm qab zib.

Symptoms of Sweet Potato Foot Rot

Ko taw rot hauv cov qos yaj ywm qab zib yog tshwm sim los ntawm Plenodomus destruens. Nws yog thawj zaug pom los ntawm nruab nrab-lub caij mus sau nyob rau hauv lub qia hauv paus blackens ntawm cov av kab thiab nplooj nyob ze rau lub crown daj thiab poob. Tsawg cov qos yaj ywm qab zib tau tsim thiab cov uas muaj xim av rot ntawm qia kawg.

P. destruens kuj yuav kis tau cov noob. Kab mob cov noob daj pib ntawm lawv cov nplooj qis thiab thaum tus kab mob loj tuaj, wilt thiab tuag.

Thaum cov qos yaj ywm muaj kab mob ko taw rot yog khaws cia, cov hauv paus hniav cuam tshuam tsim qhov tsaus, ruaj, lwj uas npog ib feem ntawm cov qos yaj ywm. Tsis tshua muaj tag nrho cov qos yaj ywm cuam tshuam.

Yuav ua li cas tswj ko taw rot ntawm qab zibQos yaj ywm

Tig qoob loo tsawg kawg yog ob xyoos kom tsis txhob kis kab mob. Siv cov noob qoob loo uas tiv taus rau lwm yam kab mob los yog cog cuttings los ntawm cov nroj tsuag noj qab haus huv. Cov cultivar 'Princesa' tau pom los tiv thaiv qhov tshwm sim ntawm ko taw rot ntau dua li lwm cov cultivars.

Tshuaj xyuas cov cag thiab cov nroj tsuag kom muaj kab mob thiab kab ua ntej cog lossis hloov cog. Xyaum ua kom zoo huv hauv vaj los ntawm kev ntxuav thiab ntxuav cov cuab yeej, tshem tawm cov khib nyiab, thiab ntxuav thaj chaw.

Yuav tsum tsis tas yuav muaj tshuaj tiv thaiv hauv vaj hauv tsev, vim qhov cuam tshuam ntawm tus kab mob me.

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