Begonias Aster Yellows Kab Mob - Kho Aster Yellows Ntawm Begonias

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Begonias Aster Yellows Kab Mob - Kho Aster Yellows Ntawm Begonias
Begonias Aster Yellows Kab Mob - Kho Aster Yellows Ntawm Begonias

Video: Begonias Aster Yellows Kab Mob - Kho Aster Yellows Ntawm Begonias

Video: Begonias Aster Yellows Kab Mob - Kho Aster Yellows Ntawm Begonias
Video: Kebun Anggrek Ribuan Jenis. Tri Orchids 2024, Kaum ib hlis
Anonim

Begonias yog cov zoo nkauj, muaj yeeb yuj, tawg paj uas tuaj yeem loj hlob hauv USDA thaj tsam 7 txog 10. Nrog rau lawv cov paj zoo nkauj thiab cov nplooj ntoo zoo nkauj, begonias muaj kev lom zem loj hlob, tab sis tsis muaj lawv cov teeb meem. Ib qho teeb meem uas tus neeg cog qoob loo yuav ntsib yog aster yellows ntawm begonias. Cov kab lus hauv qab no muaj cov ntaub ntawv qhia txog yuav ua li cas txheeb xyuas begonia nrog aster yellows kab mob thiab aster yellows tswj.

YTus Kab Mob Begonia Aster Yellows yog dab tsi?

Aster yellows kab mob ntawm begonias yog tshwm sim los ntawm phytoplasma (yav tas los hu ua mycoplasma) uas kis tau los ntawm nplooj ntoos hlav. Cov kab mob zoo li kab mob no ua rau muaj cov tsos mob zoo li tus kab mob hauv cov tswv tsev loj ntawm ntau dua 300 hom nroj tsuag hauv 48 tsev neeg cog.

Cov tsos mob ntawm Begonia nrog Aster Yellows

Cov tsos mob ntawm aster yellows txawv nyob ntawm seb hom hom hosting ua ke nrog qhov kub thiab txias, hnub nyoog, thiab qhov loj ntawm cov nroj tsuag kab mob. Nyob rau hauv cov ntaub ntawv ntawm aster yellows ntawm begonias, thawj cov tsos mob tshwm sim raws li chlorosis (daj) raws cov leeg ntawm cov nplooj hluas. Tus kab mob chlorosis zuj zus thaum tus kab mob mus ntxiv, ua rau defoliation.

Cov nroj tsuag kab mob tsis tuag los yog wilt tab sis, hloov, tswj kom zoo dua spindly, tsawg duatshaj tus cwj pwm loj hlob zoo. Aster yellows tuaj yeem tua ib feem lossis tag nrho cov nroj tsuag.

Begonia Aster Yellows Control

Aster yellows overwinters ntawm tus kab mob cov qoob loo thiab cov nroj tsuag nrog rau cov neeg laus leafhoppers. Leafhoppers kis tus kab mob los ntawm kev pub rau phloem hlwb ntawm cov nroj tsuag muaj kab mob. Thaum ntxov li kaum ib hnub tom qab, tus kab mob nplooj tuaj yeem kis tus kab mob mus rau cov nroj tsuag uas nws pub rau.

Txhua lub neej ntawm tus kab mob kab mob (100 hnub lossis ntev dua), cov kab mob sib kis. Qhov no txhais tau hais tias ntev npaum li tus kab mob leafhopper nyob, nws tseem yuav kis tau cov nroj tsuag noj qab nyob zoo.

Cov kab mob hauv cov nplooj tuaj yeem tua tau thaum kub tshaj 88 degrees F. (31 C.) rau 10 mus rau 12 hnub. Qhov no txhais tau hais tias kev kub ntxhov siab ntev tshaj li ob lub lis piam txo qhov kev kis tus kab mob.

Vim huab cua tswj tsis tau, yuav tsum ua raws li lwm txoj kev tawm tsam. Ua ntej, rhuav tshem tag nrho cov kab mob uas muaj kev cuam tshuam rau lub caij ntuj no thiab rhuav tshem cov nroj tsuag kab mob. Tsis tas li ntawd, tshem cov nroj tsuag los yog tshuaj tsuag ua ntej kis kab mob.

Muab ib daim hlab ntawm aluminium ntawv ci nruab nrab ntawm begonias. Qhov no yog hais los pab tswj los ntawm disorienting cov leafhoppers nrog lub reflection ntawm lub teeb ua si tawm tsam cov ntawv ci.

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