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

Title
Infection and Host Response in Powdery Mildew of Barley
Alternative Title
Infektion und Wirtsreaktion beim Gerstenmehltau
Author
License
CC Attribution - NonCommercial - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
C 1642
Publisher
Release Date
1987
Language
English
Producer
IWF
Production Year
1985

Technical Metadata

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

Content Metadata

Subject Area
Abstract
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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