Rust Diseases of Willow and Poplar

July 2005
More details
  • Publisher
  • Published
    11th July 2005
  • ISBN 9780851999999
  • Language English
  • Pages 288 pp.
  • Size 6.875" x 9.75"

In recent years, there has been increased interest in growing willow and poplar trees, as fast-growing species that have several purposes, including use as biofuels for energy production. However, silviculture of these trees has been constrained by diseases such as Melampsora rusts. This book provides a comprehensive review of over two decades of extensive study of the rust diseases affecting willow and poplar. It provides insights into the population biology of Melampsora rusts in Europe, China, India and Chile, the genetics of their resistance, and their interaction with their hosts. The book offers information essential to the development of effective and sustainable disease control measures including the use of willow genotype mixtures and biological control agents.

Section 1: Taxonomy and overview of Rusts
* Phylogenetic position of Melampsora in rust fungi inferred from ribosomal DNA sequences
* A brief review of Melampsora rusts on Salix
* The species of Melampsora on Salix (Salicaceae)
* A brief summary of Melampsora species on Populus

Section 2: Occurrence and population biology of Melampsora
* Variability and population biology of Melampsora rusts on poplars
* Genetic diversity of Melampsora willow rusts in Germany
* Genetic structure of Melampsora larici-epitea populations in north-western Europe
* Current taxonomic status of Melampsora species on poplars in China
* Current status of poplar leaf rust in India
* Melampsora Willow Rust in Chile and northern Europe; Part of a metapopulation?

Section 3: Rust Resistance and Infection Process
* Disease scoring by taking inoculum densities into consideration in leaf disc inoculations with poplar and willow rust
* Interactions between poplar clones and Melampsora populations and their implications for breeding for durable resistance
* Transgenic hybrid aspen with altered defensive chemistry - a model system to study the chemical basis of resistance?
* Basidiospore-derived penetration by species of Cronartium and Melampsora: an outline

Section 4: Rust Management
* Host diversity, epidemic progression and pathogen evolution
* SRC willow mixtures and rust disease development
* SRC willow mixtures and yield
* Effect of preventative fungicide sprays on Melampsora rust of poplar in the nursery

Section 5: Rust mycoparasites and their potential for biological control
* Biocontrol of rust fungi by Cladosporium tenuissimum
* Biology and genetic diversity of the rust hyperparasite Sphaerellopsis filum in Central Europe
* Sphaerellopsis filum and its potential for biological control of willow rusts

Ming H. Pei

Ming H. Pei

Alistair R McCracken

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