dcsimg

Septoria cucurbitacearum

provided by wikipedia EN

Septoria cucurbitacearum is a fungal plant pathogen infecting cucurbits. Symptoms of Septoria leaf spot are similar on all the cucurbits infected.[1]

Description

Spots are normally circular or occasionally irregular, beige to nearly white in color, measuring 1 to 2 mm in diameter or occasionally larger on the upper leaf surface. A narrow brown border surrounds the spot and, with age, the lesion may crack. When the disease first appears in the spring under moist conditions, the spots appear with or without a white speck surrounded by a much larger brown water-soaked border, giving the appearance of a different disease. The distinguishing sign on older spots is the presence of small, black, speck-like fruiting bodies called pycnidia embedded within the tissue. Not all spots will contain pycnidia, but some may contain up to eight or more. The black specks can be seen with an unaided eye. Under moist conditions, long, thin, needle-like conidia are released. Small (1 to 2 mm) erumpent whitish spots appear as a rash on the surface of infected Butternut and Pumpkin fruit. Pycnidia of Septoria are not often found on these whitish spots, but other organisms including Cucurbit Anthracnose (Colletotrichum orbiculare) and Black dot (Colletotrichum coccodes) sometimes invade these lesions.[1]

References

  1. ^ a b Zitter, Thomas A. (1992). "Septoria Leaf and Fruit Spot of Cucurbits". Vegetable MD Online. Cornell University. Archived from the original on 2012-03-10. Retrieved 2022-04-14 – via Department of Plant Pathology.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN

Septoria cucurbitacearum: Brief Summary

provided by wikipedia EN

Septoria cucurbitacearum is a fungal plant pathogen infecting cucurbits. Symptoms of Septoria leaf spot are similar on all the cucurbits infected.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN

Septoria cucurbitacearum ( Italian )

provided by wikipedia IT

Septoria cucurbitacearum è una specie di fungo ascomicete parassita delle piante. Causa la septoriosi delle piante di zucca.

 title=
license
cc-by-sa-3.0
copyright
Autori e redattori di Wikipedia
original
visit source
partner site
wikipedia IT

Septoria cucurbitacearum ( Szl )

provided by wikipedia SZL

Septoria cucurbitacearum je grzib[1], co go ôpisoł Sacc. 1876. Septoria cucurbitacearum nŏleży do zorty Septoria i familije Mycosphaerellaceae.[2][3] Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.[2]

Przipisy

  1. P.A. Saccardo (1876), In: Fungi venet. nov. vel. Crit., Ser. 5:205
  2. 2,0 2,1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.): Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist.. Species 2000: Naturalis, Leiden, the Netherlands., 2019. [dostymp 2019-09-20].
  3. Species Fungorum. Kirk P.M., 2010-11-23
license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia SZL

Septoria cucurbitacearum: Brief Summary ( Szl )

provided by wikipedia SZL

Septoria cucurbitacearum je grzib, co go ôpisoł Sacc. 1876. Septoria cucurbitacearum nŏleży do zorty Septoria i familije Mycosphaerellaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia SZL