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Fig. 2 | IMA Fungus

Fig. 2

From: Oospores of Pustula helianthicola in sunflower seeds and their role in the epidemiology of white blister rust

Fig. 2

Light micrographs of cross sections of seed pericarp stained with Toluidine Blue. A. Anatomy of the pericarp and location of an oospore (asterisk) in an oogonium. B–C. Details, oospores (asterisks) in the inner parenchymatic layer of the pericarp. D. Detail, oospore located in the parenchymatic ray of a fibrous layer of the pericarp. EP, Epidermis; HL, Cork hypodermal layer; PM, Phytomelanin layer; FL, Fibrous layer; PR, Parenchymatic ray; IPL, Inner parenchymatic layer; OS, Oospore; VB, Vascular bundle. Bars = 50 µm.

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IMA Fungus

ISSN: 2210-6359

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