2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Radishes (Raphanus sativus) yog cov qoob loo huab cua txias uas yog cov neeg cog qoob loo sai, yooj yim sown rau cov qoob loo ua tiav txhua kaum hnub. Vim nws yog ib qho yooj yim kom loj hlob (thiab qab), radish yog ib qho kev xaiv rau lub tsev gardener. Txawm li ntawd los, nws muaj nws feem ntawm radish loj hlob teeb meem thiab kab mob radish. Hom kab mob radish muaj teeb meem dab tsi thiab yuav kho li cas? Mus nyeem ntawv kom paub ntau ntxiv.
Radish yog ib tus tswv cuab ntawm tsev neeg Brassicaceae, thiab loj hlob rau nws me ntsis ntsim, crunchy taproot. Qhov no herbaceous txhua xyoo los yog biennial yuav tsum tau zus nyob rau hauv tag nrho lub hnub nyob rau hauv xoob, compost hloov, zoo-draining av.
Cov noob tuaj yeem cog tau ntxov li 5 lub lis piam ua ntej hnub kawg nruab nrab te rau koj thaj av thiab tom qab ntawd rau kev muab khoom txuas ntxiv, sown txhua 10 hnub. Txiav tawm thaum lub caij ntuj sov tshaj 80 F. (26 C.). Khaws cov nroj tsuag tsis tu ncua moist. Sau cov radishes thaum lawv qis dua ib nti (2.5 cm.) hla los ntawm kev nqa lawv tawm maj mam. Zoo li ncaj ncaj, thiab nws feem ntau yog, tab sis txawm tias cov radish tsis xav tau tuaj yeem poob rau cov teeb meem kab mob radish.
Thaum feem ntau ntawm cov teeb meem loj hlob radish feem ntau yog fungal, ntawm noyog cov teeb meem ntau tshaj plaws uas koj tuaj yeem ntsib.
- Damping off – Damping off (wirestem) yog ib hom fungus pom nyob rau hauv cov av nyob rau hauv cov cheeb tsam ntawm high humidity. Radishes yog nquag mus rau noob rot los yog lub cev qhuav dej ntawm seedlings thaum afflicted nrog damping tawm. Tsis txhob cog cov noob rau hauv qhov txias, noo noo, thiab xyuas kom cov av zoo-dhau.
- Septoria nplooj chaw - Septoria nplooj ntoos yog kab mob fungal uas feem ntau cuam tshuam rau txiv lws suav tab sis tuaj yeem cuam tshuam rau radishes ib yam nkaus. Cov kab mob radish no zoo li daj ntseg daj, grey me ntsis ntawm nplooj ntoo uas zoo li dej me ntsis. Cov pob tau txais ib qho chaw grey thiab ua ntau dua thaum tus kab mob loj tuaj. Ntxiv dua thiab, xyuas kom cov cheeb tsam radish muaj cov av zoo-draining. Tshem tawm thiab rhuav tshem thiab kis cov kab mob lossis cov nroj tsuag, tig cov qoob loo thiab ua kom lub vaj tsis muaj lwm cov khib nyiab.
- Fusarium rot thiab Downy mildew - Fusarium rot thiab wilt yog kab mob fungal uas loj hlob hauv cov av sov. Downy mildew kuj yog ib yam kab mob ntawm radishes tshwm sim los ntawm ib tug fungus. Khaws lub vaj kom tsis txhob muaj detritus, rhuav tshem cov nroj tsuag kab mob, tsis txhob overhead watering thiab txhim kho raws li huab cua ncig thiab xyaum ua qoob loo.
- Dub cag - Dub cag yog lwm qhov teeb meem loj hlob radish. Cov kab mob fungal no ua rau yellowing ntawm nplooj nrog xim av, curled nplooj margins. Lub qia lub hauv paus darkens mus rau ib tug tsaus xim av / dub xim thiab ua slimy, nrog rau dub, slimy keeb kwm. Nco ntsoov kho thaj chaw pw nrog ntau cov organic teeb meem txhawm rau txhim kho cov kua dej thiab xyaum ua qoob loo.
- Alternaria blight - Alternariablight ua rau tsaus daj rau dub me ntsis nrog concentric rings ntawm nplooj. Qhov nruab nrab ntawm lub nplhaib feem ntau dries tawm thiab tee, tawm hauv nplooj nrog ib tug txhaj-qhov zoo li. Ua tiav nplooj poob tuaj yeem tshwm sim. Nco ntsoov yuav cov nroj tsuag muaj ntawv pov thawj, tsis muaj kab mob. Hloov cov qoob loo. Tso dej thaum sawv ntxov kom cov nplooj qhuav thiab siv tshuaj tua kab mob.
- White rust – Dawb xeb tshwm li dawb pustules ntawm nplooj thiab paj. Cov nplooj tuaj yeem curl thiab thicken. Cov kab mob fungal tshwj xeeb no zoo nyob rau hauv qhov chaw qhuav thiab kis los ntawm cua. Tig cov qoob loo thiab cog cov kab mob tsis muaj noob. Siv cov tshuaj tua kab mob yog tias tus kab mob kis mus.
- Clubroot - Clubroot yog lwm yam kab mob fungal uas ua rau kev puas tsuaj los ntawm nematodes. Nws tawm stunted nroj tsuag nrog daj nplooj uas wilt thaum nruab hnub. Cov hauv paus hniav ua distorted thiab o nrog galls. Cov kab mob no tuaj yeem muaj sia nyob tau ntau xyoo hauv cov av. Ntxiv cov txiv qaub hauv av tuaj yeem txo cov kab mob fungal tab sis, feem ntau, tus kab mob no nyuaj rau tswj.
- Scab - Scab yog ib yam kab mob uas tseem muaj nyob rau hauv qos yaj ywm, turnips thiab rutabagas uas ua rau xim daj-daj kab mob ntawm cov hauv paus hniav thiab tsis xwm yeem blotching ntawm nplooj. Cov kab mob no yog qhov nyuaj rau kev tswj hwm vim nws tseem nyob hauv av rau lub sijhawm ntev. Tsis txhob cog thaj tsam plaub xyoos.
Qee kab ua cov kab mob. Leafhoppers yog ib hom kab zoo li no. Lawv kis tau Aster Yellows, kab mob mycoplasma, uas raws li nws lub npe qhia, ua rau nplooj daj thiab curl thiab stunts cov nroj tsuag loj hlob. Ua kom cov nroj tsuag muaj kab mob. Tswjleafhoppers thiab ua kom lub vaj tsis muaj cov nroj tsuag thiab cov nroj tsuag detritus. Aphids kuj ua raws li vectors kis tus kab mob leafroll. Kho tib yam li Aster Yellows.
Kawg, kom tsis txhob muaj kab mob fungal, sau cov radishes ua ntej lawv ncav cuag qhov loj. Lawv saj zoo dua thiab koj tuaj yeem zam kev tawg, uas tuaj yeem qhib qhov rais rau kab mob fungal.
Pom zoo:
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