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The Biology of Fungal Pathogens, Volume 3: Fungal Pathogens and Diseases of Cereals

Series: The Biology of Fungal Pathogens Volume: 3

Edited By: Joseph-Alexander Verret and Holger Klink

Runtime: 14 min

American Phytopathological Society

DVD | Dec 2004 | #150730 | ISBN: 0890543267
Availability: Usually dispatched within 2-3 weeks Details
NHBS Price: £130.80 inc VAT $160/€147 approx

About this product

Language: Bilingual in English and German

Necrotic leaf spots on barley caused by abiotic or biotic factors have gained considerable importance in some regions where the crop is grown. This disease complex may significantly affect yield and represents a challenge both to proper diagnosis and disease management. A new biotic barley disease caused by the fungal pathogen Ramularia collo-cygni causes necrotic leaf spots. The video/DVD illustrates the life cycle of the pathogen and differentiates the disease symptoms and etiology from abiotic leaf spots, the so-called `physiological leaf spots' (PLS). PLS are induced by a complex of environmental stress factors including, excess irradiation, drought, air pollutants, or extreme temperatures, which cause elevated levels of free unscavenged oxygen radicals in the leaf tissue. The video represents the sequence of events leading from generation of toxic oxygen radicals to induction of cell death and necrosis. Finally the impact of modern fungicides on this leaf spot complex is represented, with special emphasis on physiological fungicide effects on the plant.

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