2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Koj puas tau pom zaj duab xis dawb ntawm koj cov txiv pos nphuab thiab xav tias, "Dab tsi yog kuv txiv pos nphuab?" Koj tsis nyob ib leeg. Strawberries yog ib qho yooj yim kom loj hlob yog tias koj muaj lawv nyob rau hauv ib co tshav ntuj, tab sis txawm li ntawd, lawv yuav raug kev txom nyem los ntawm fungal kab mob. Dab tsi yog qee yam kab mob ntawm strawberry thiab dab tsi, yog tias muaj dab tsi, tuaj yeem ua tau txog cov nroj tsuag strawberry nrog cov yeeb yaj kiab dawb rau greyish?
Yuav ua li cas rau kuv Strawberries?
Strawberry nroj tsuag tsim cov khoom noj muaj txiaj ntsig, muaj ntxhiab, qab zib txiv hmab txiv ntoo. Lawv txawv nyob rau hauv hardiness nyob ntawm seb lub cultivar. Strawberries qus yog hardy rau USDA zones 5-9 thaum cultivated strains hardy rau USDA zones 5-8 li perennials thiab raws li txhua xyoo nyob rau hauv USDA zones 9-10.
Tej zaum koj yuav tau cov txiv pos nphuab, muab tso rau hauv lub tub yees thiab tom qab ib hnub lossis ob hnub tom qab ntawd mus siv lawv tsuas yog nrhiav tau ib zaj duab xis dawb ntawm cov txiv pos nphuab. Raws li tau hais, lawv muaj feem cuam tshuam rau cov kab mob fungal uas yuav suav nrog qhov kev loj hlob fuzzy no. Tib yam yuav tshwm sim hauv koj lub vaj-loj hlob txiv hmab txiv ntoo - dawb mus rau greyish fuzz ntawm cov txiv hmab txiv ntoo nws tus kheej los yog txheej cov nplooj strawberry.
Ib qho ntawm cov kab mob fungal tshaj plaws ntawm strawberries yog powdery mildew. Powdery mildew (Podosphaera aphanis) kis tus kab mobcov ntaub so ntswg ntawm cov nroj tsuag strawberry thiab txawm tias qhov tseeb tias nws yog mildew, uas peb feem ntau koom nrog cov kev mob ntub dej, cov nplooj strawberry txheej no yog fostered los ntawm qhuav tej yam kev mob nrog cov av noo thiab temps ntawm 60-80 F. (15-26 C.).
Spores yog nqa los ntawm cua kom kis tau txhua qhov ntawm cov txiv ntoo. Thaum ntxov kab mob tshwm sim raws li ib tug dawb powdery txheej nyob rau hauv underside ntawm nplooj strawberry. Thaum kawg, tag nrho cov hauv qab ntawm nplooj yog npog thiab cov nplooj curl upward nrog cov tsos ntawm tsaus puag ncig blotches. Powdery mildew kuj cuam tshuam rau paj, ua rau cov txiv hmab txiv ntoo tsis zoo.
Txhawm rau tiv thaiv cov kab mob pwm hauv koj cov txiv hmab txiv ntoo, tso rau hauv qhov chaw tshav ntuj thiab chaw cov nroj tsuag kom ntseeg tau tias huab cua ncig. Tsis txhob siv cov chiv ntau dhau thiab siv cov zaub mov tso tawm qeeb. Yog tias tsuas yog nplooj zoo li kis kab mob, txiav tawm cov kab mob thiab pov tseg cov nroj tsuag detritus los ntawm ib ncig ntawm berries. Tsis tas li ntawd, qee cov txiv pos nphuab yog cov resistant rau powdery mildew dua lwm tus. Hnub luv-hnub ntau yam thiab cov txiv hmab txiv ntoo nyob rau lub Tsib Hlis thiab Lub Rau Hli yog me ntsis resistant dua li hnub nruab nrab los yog ib txwm muaj ntau yam.
Tau kawg, koj kuj yuav tau siv tshuaj tua kab mob fungicide. Siv cov kev xaiv tshuaj lom tsawg tshaj plaws ua ntej, xws li roj neem, sib tov ntawm 1 ooj (28 g.) mus rau 1 nkas loos (3.75 L.) dej. Txau sai li sai tau thaum cov tsos mob tshwm sim, txau ob sab sauv thiab hauv qab ntawm nplooj. Tsis txhob tsuag thaum kub tshaj 90 F. (32 C.) thiab tsis pub dhau ob lub lis piam ntawm kev siv sulfur fungicides. Sulfur fungicides kuj tseem tuaj yeem tswj cov kab mob mildew tab sis tsuas yog ua kev tiv thaiv, ua ntej cov tsos mob tshwm sim. Tham nrog tus neeg tsim khoomcov lus qhia rau qhov tseeb piv thiab lub sijhawm.
Lwm Kab Mob ntawm Strawberry Cog
Strawberries tej zaum yuav raug kev txom nyem los ntawm lwm yam kab mob tab sis tsis muaj ib tug ntawm cov no tshwm sim raws li ib tug dawb zaj duab xis ntawm strawberry thiab suav nrog:
- Anthracnose
- Stem kawg rot
- Phytophthora crown rot
- YVerticillium wilt
Strawberry nroj tsuag uas muaj zaj duab xis dawb tej zaum yuav raug ntaus nqi rau angular nplooj chaw (X. fragariae). Kev kis kab mob ua rau cov kab mob ooze nyob rau hauv cov av noo. Zaj duab xis dawb no dries rau hauv qab ntawm nplooj.
Grey pwm kuj tuaj yeem ua lub luag haujlwm rau cov yeeb yaj kiab dawb ntawm cov nroj tsuag. Grey pwm cuam tshuam cov berries, pib nyob rau hauv lub calyx thiab kis tau raws li cov txiv hmab txiv ntoo kov ib leeg los yog spores yog dej txaws rau lwm cov txiv hmab txiv ntoo. Cov txiv hmab txiv ntoo ua xim av, mos thiab dej feem ntau npog nrog grey lossis dawb fuzzy loj hlob.
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