Angular Leaf Spots In Plants - Yuav Ua Li Cas Kho Angular Leaf Spot Disease

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Angular Leaf Spots In Plants - Yuav Ua Li Cas Kho Angular Leaf Spot Disease
Angular Leaf Spots In Plants - Yuav Ua Li Cas Kho Angular Leaf Spot Disease

Video: Angular Leaf Spots In Plants - Yuav Ua Li Cas Kho Angular Leaf Spot Disease

Video: Angular Leaf Spots In Plants - Yuav Ua Li Cas Kho Angular Leaf Spot Disease
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Anonim

Nws tuaj yeem nyuaj rau kev sib txawv ntawm cov teeb meem nplooj ntoo uas tshwm sim hauv lub vaj lub caij ntuj sov, tab sis cov kab mob ntawm cov nplooj ntoo yog qhov txawv zoo nkauj, ua rau nws yooj yim rau cov neeg ua teb tshiab kom kuaj tau tiav. Cov nroj tsuag uas tsim cov nplooj tsis tu ncua uas ua raws cov leeg yuav raug mob los ntawm tus kab mob no. Nyeem rau kom paub ntau ntxiv.

Angular Leaf Spot yog dab tsi?

Angular nplooj ntoos chaw hauv cov nroj tsuag yog tshwm sim los ntawm ntau cov kab mob uas muaj sia nyob hauv cov noob thiab cov khib nyiab, suav nrog Pseudomonas syringae thiab Xanthomonas fragariae. Cov kab mob no yog tus tswv tsev tshwj xeeb, nrog P. syringae tsom rau cucurbits thiab X. fragariae tawm tsam strawberries.

Cov tsos mob thawj zaug tshwm sim me me, dej-soaked me ntsis ntawm nplooj, tab sis kis tau sai heev thaum muaj huab cua noo thiab qhov kub ntawm qhov nruab nrab ntawm 75 txog 82 F. (24-28 C.). Spots nthuav kom txog thaum lawv sau tag nrho thaj tsam ntawm nplooj nplooj, tab sis tsis txhob hla dhau, uas ua rau pom cov nplais ntawm nplooj loj. Cov chaw qub tuaj yeem qhuav thiab tsim kua muag, tawm hauv qab.

Ntawm txiv hmab txiv ntoo, cov kab mob angular leaf spots manifests as perfectly circum, water-soaked spots, much me dua cov ntawm cov nplooj. Raws li tus kab mob no zuj zus, cov pob khaus coj mus rau ib tug chalky dawb tsosthiab tej zaum yuav tawg qhib, tso cai rau cov kab mob kis tau cov txiv hmab txiv ntoo thiab ua rau txiv hmab txiv ntoo rot.

Yuav ua li cas kho Angular Leaf Spot

Kev kho cov nplooj angular tsis yog ib txoj haujlwm yooj yim. Thaum cov nroj tsuag muaj kab mob, nws tsis tuaj yeem kho tau yooj yim thiab cov neeg ua teb feem ntau yuav tshem cov nroj tsuag ntawm lawv lub vaj kom tsis txhob kis tus kab mob ntxiv. Cov teeb meem yav tom ntej tuaj yeem tiv thaiv tau tsuas yog siv cov noob tsis muaj kab mob, xyaum ua cov qoob loo peb xyoos nrog cov tsev neeg sib txawv, thiab ua tus cwj pwm tawm ntawm kev ntxuav cov khib nyiab pov tseg thaum nws ntog rau hauv av.

txaj nrog cov kua dej tsis zoo lossis cov dej ntau dhau ntawm cov nplooj nplooj - ua tib zoo saib xyuas koj tus cwj pwm dej yog tias tus kab mob no twb tau tsim hauv koj cov nroj tsuag. Ua ntej watering, xyuas cov av noo theem nrog koj txhais tes. Tshwj tsis yog tias sab saum toj 1 mus rau 2 ntiv tes (2.5-5 cm.) ntawm cov av xav tias qhuav rau qhov kov, tsis txhob dej; thiab thaum koj ua, nco ntsoov dej ntawm lub hauv paus ntawm cov nroj tsuag. Kev ywg dej zoo tuaj yeem txo qhov kev pheej hmoo ntawm ntau yam kab mob, suav nrog cov nplooj angular hauv cov nroj tsuag.

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