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Keyword: Cronartium ribicola

Limber pine (Pinus flexilis James) genetic map constructed by exome-seq provides insight into the evolution of disease resistance and a genomic resource for genomics-based breeding

Publications Posted on: May 16, 2019
Limber pine (Pinus flexilis) is a keystone species of high-elevation forest ecosystems of western North America, but some parts of the geographic range have high infection and mortality from the non-native white pine blister rust caused by Cronartium ribicola. Genetic maps can provide essential knowledge for understanding genetic disease resistance as well as local adaptation to changing climates.

Proactive limber pine conservation strategy for the Greater Rocky Mountain National Park Area

Publications Posted on: February 22, 2019
This proactive conservation strategy addresses the unique situation of limber pine in the Greater Rocky Mountain National Park Area (GRMNPA). The target area includes Rocky Mountain National Park and surrounding areas of northern Colorado and southern Wyoming.

Eucalyptus grandis anomaly related to expression of defense genes

Publications Posted on: August 30, 2018
In collaboration with the Suzano Papel and Celulose SA company, we identified an anomaly derived from a full-sib population in a controlled cross between two Eucalyptus grandis individuals. Abnormal seedlings died in a few months and showed significant phenotypic differences (P 0.1), suggesting that the lethality phenotype is controlled by a recessive allele (Tambarussi 2006).

Research on the rust hyperparasite Coregonladosporium tenuissimum: Status and prospects

Publications Posted on: August 30, 2018
The use of biological agents to control plant diseases is an attractive approach, especially at a time when managers and other stakeholders seek to limit the impact of synthetic pesticides. Further, chemical pesticides cannot be used in natural habitats because of their expense and potential negative effects on ecosystems.

Discovery of mycovirus community in the white pine blister rust ecosystems by rust transcriptome profiling

Publications Posted on: August 30, 2018
In North America, the nonnative rust fungus Cronartium ribicola kills immature native five-needle pine trees and indirectly predisposes maturing trees to secondary attack by insects and other fungi, which may result in severe mortality. Since the early 1900s when C.

Cytological analyses reveal variations in nuclear content along the urediniosporic infection cycle of Hemileia vastatrix and other rust fungi

Publications Posted on: August 30, 2018
The recent completion of genome sequencing for some rust fungi has contributed to suggest a link between biotrophic specialization and genome size expansion. The measurement of genome sizes for a selection of rust fungi has revealed some of the largest genomes among fungi, with nine rust species with haploid genomes between 300 and 780 Mbp. In particular, Uromyces appendiculatus, Phakopsora pachyrhizi, U.

The proactive strategy: Preparing the landscape for invasion by accelerating the evolution of resistance

Publications Posted on: August 30, 2018
Restoration of forests devastated by nonnative invaders often dominates the attention of forest managers and their actions. However, taking a broader view of the invasion beyond the crisis areas reveals opportunities where proactive management can alter the outcome of the invasion in threatened areas.

Barcoding the rust fungi of Germany

Publications Posted on: August 30, 2018
The German Barcode of Life (GBOL) project is a large-scale DNA barcoding initiative to assess the biodiversity of animals, fungi, and plants of Germany. Here we introduce the subproject focusing on rust fungi (Pucciniales, Basidiomycota). This is the only group of fungi represented in the initial 3.5-year phase of the project.

Stem rust diseases of Pinus kesiya in Vietnam

Publications Posted on: August 30, 2018
Surveys of two stem rust diseases of Pinus kesiya were implemented in Da Lat, Lam Dong province, in the Central Highlands of Vietnam. Symptoms of the first disease, a gall rust, are very similar to those of Cronartium quercuum in North America.

Impact of white pine blister rust on resistant and previously immune cultivated Ribes and neighboring eastern white pine (Pinus strobus) in New Hampshire, USA

Publications Posted on: August 30, 2018
White pine blister rust (WPBR; causal agent: Cronartium ribicola) has been a threat to both forest resources and agricultural commodities since its introduction to North America in the early 1900s. Eastern white pine (Pinus strobus) is the most economically important timber species in New Hampshire (USA). From 1917 to 1970 Ribes throughout the State was eradicated to protect the timber industry.

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