Isithombe: Isitshalo se-Okra Esithinteke Yisifo SaseNingizimu Emgqeni Wenhlabathi
Kushicilelwe: Ephreli 21, 2026 19:57:32 UTC
Isithombe esiseduze esinemininingwane sesitshalo se-okra esine-Southern Blight, esine-mycelium emhlophe yesikhunta kanye ne-sclerotia ye-tan eyakheka eduze kwesisekelo sesiqu ezingeni lomhlabathi.
Okra Plant Affected by Southern Blight at Soil Line
Izinguqulo ezitholakalayo zalesi sithombe
Amafayela ezithombe atholakalayo ukuze alandwe ngezansi awacindezelwe kakhulu futhi anesisombululo esiphezulu - futhi ngenxa yalokho, ikhwalithi ephezulu - kunezithombe ezifakwe ezihlokweni nasemakhasini akule webhusayithi, ezilungiselelwe kangcono usayizi wefayela ukuze kuncishiswe ukusetshenziswa komkhawulokudonsa.
Usayizi ojwayelekile (1,536 x 1,024)
Usayizi omkhulu (3,072 x 2,048)
Usayizi omkhulu kakhulu (4,608 x 3,072)
Usayizi omkhulu kakhulu (6,144 x 4,096)
Usayizi omkhulu ngokwe-comic (1,048,576 x 699,051)
- Isalayisha... ;-)
Incazelo yesithombe
Lesi sithombe sendawo esinekhwalithi ephezulu sibonisa umbono oningiliziwe wesitshalo se-okra esitheleleke nge-Southern Blight, isifo esibhubhisayo sesikhunta esithwalwa yinhlabathi esivame ukubangelwa yi-pathogen i-Sclerotium rolfsii. Isithombe sigxile esisekelweni seziqu ze-okra lapho zivela khona enhlabathini, sigqamisa ngokusobala izimpawu eziphawulekayo zokutheleleka emgqeni wenhlabathi. Iziqu eziningana eziqinile eziluhlaza ziphakama ziqonde phansi, kodwa izingxenye ezingezansi zalezi ziqu zibonisa izimpawu ezicacile zokucindezeleka kanye nomonakalo ohambisana nokukhula kwesifo.
Lapho iziqu zihlangana khona nomhlabathi, ukukhula kwesikhunta okumhlophe okujiyile kusakazeka ngaphandle kunethiwekhi efana nekotini ye-mycelium. Imicu ye-mycelial inamathela ngokuqinile ebusweni besiqu futhi inwebe enhlabathini ezungezile, yakha amabala angajwayelekile afana nemicu ethambile noma ama-spiderwebs amancane. Kufakwe ngaphakathi kwalesi sikhunta kunezakhiwo eziningi ezincane eziyindilinga ezaziwa ngokuthi i-sclerotia. Lezi zakhiwo zibonakala njengezinhlayiya ezincane eziyindilinga ezisakazeke kuyo yonke i-mycelium naphezu komhlabathi, zibonisa imibala ekhanyayo kusuka ku-brown kuya ku-golden. Ukuba khona kwazo kuyisici esichazayo sokuxilonga i-Southern Blight futhi kubonisa izakhiwo zokusinda zesikhunta ezivumela ukuthi ziqhubeke enhlabathini.
Inhlabathi ezungezile ibonakala imnyama, ikhululekile, futhi ixubene kancane, ihlinzeka ngesizinda semvelo esihluke kakhulu ekukhuleni kwesikhunta esimhlophe qwa. Izinhlayiya ezincane zenhlabathi zinamathela ku-mycelium, kuyilapho ama-sclerotia amaningana ehlala ngqo emhlabathini azungeze isisekelo sesiqu. Lesi sifo sibonakala sigxile ezicutshini zesiqu ezingezansi lapho ukutheleleka kuvame ukuqala khona, okwenza isitshalo sibe buthaka kancane kancane futhi siphazamise ikhono laso lokuthutha amanzi nezakhamzimba.
Elinye lamaqabunga aseduze anamathele esitshalweni libonisa izimpawu ezibonakalayo zokucindezeleka, libonisa ukuphuzi nokuba nsundu emaphethelweni. Iqabunga liwela phansi liye enhlabathini, okubonisa ukubuna okuhambisana nokuqhubeka kokutheleleka. Ngokuphambene nalokho, ezinye izingxenye zesitshalo zihlala ziluhlaza, okubonisa isigaba sokuqala kuya maphakathi nesigaba sesifo lapho izimpawu zingase ziqale khona endaweni ngaphambi kokusabalala kakhulu esitshalweni.
Ingemuva lesithombe lifiphele kancane, lembula izitshalo ezengeziwe eziluhlaza ezikhula ngemigqa ngaphakathi kwalokho okubonakala sengathi ingadi etshaliwe noma insimu yezolimo. Lokhu kujula kwensimu okungajulile kugcina ukunaka kombukeli kugxile esisekelweni sesitshalo esinegciwane ngenkathi kunikeza umongo wemvelo. Ukukhanya kwelanga kwemvelo kukhanyisa indawo, kuthuthukisa ukuthungwa kwenhlabathi, ukukhula kwesikhunta esine-fibrous, kanye nobuso obunemicu yeziqu ze-okra.
Sekukonke, isithombe sisebenza njengesibonelo esicacile sokusuleleka kwe-Southern Blight ku-okra, sigcizelela izici zokuxilonga ze-white cottony mycelium kanye ne-tan sclerotia emgqeni wenhlabathi. Isithombe sithwebula imininingwane yezinto eziphilayo ze-pathogen kanye nomthelela obonakalayo esitshalweni esisiphethe, okwenza kube usizo emfundweni yezolimo, ekubhekiseleni kwezifo zezitshalo, kanye nokuhlonza izifo ezitshalweni zemifino.
Isithombe sihlobene: Umhlahlandlela Ophelele Wokukhulisa I-Okra Engadini Yakho Yasekhaya