Infection and Host Response in Powdery Mildew of Barley

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Video in TIB AV-Portal: Infection and Host Response in Powdery Mildew of Barley

Formal Metadata

Infection and Host Response in Powdery Mildew of Barley
Alternative Title
Infektion und Wirtsreaktion beim Gerstenmehltau
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IWF Signature
C 1642
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Production Year

Technical Metadata

IWF Technical Data
Film, 16 mm, LT, 131 m ; F, 12 min

Content Metadata

Subject Area
The Ascomycete Blumeria graminis f. sp. hordei, a serious pathogen of barley, reproduces asexually by conidia. Infection - conidial germination and the formation of primary germ tube, secondary germ tube, appressorium and haustorium - and host response are documented in detail by time-lapse cinemicrography. The processes are shown in compatible and incompatible combinations of host and parasite. In incompatible combinations the defence response, effected by the ml-o resistance gene, is visible as an increased formation of papillae, and the hypersensitive reaction takes place as an effect of the ml-a resistance gene. The video is suitable for use in higher education.
Keywords cell biology parasitism / powdery mildew host reaction / powdery mildew powdery mildew Blumeria graminis f.sp. hordei Erysiphe graminis Erysiphales powdery mildew barley mildew barley powdery mildew

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