Search Results
Results: 1 - 20of24
Save this search
Please login to be able to save your searches and receive alerts for new content matching your search criteria.
OPENOpen Access licenseDraft Genome Resource for Forest Pathogen Coniferiporia weirii – A Facultative Pathogen of Thuja plicata and Callitropsis nootkatensis
AbstractAbstract
In North America, Coniferiporia weirii causes root and butt rot of western redcedar (Thuja plicata) and yellow-cedar (Callitropsis nootkatensis). There is currently no draft genome for C. weirii. As a result, C. weirii isolate 30910 originally isolated ...Phytophthora spp. Associated with Appalachian Oak Forests and Waterways in Pennsylvania, with P. abietivora as a Pathogen of Five Native Woody Plant Species
AbstractAbstract
To document the distribution of potentially harmful Phytophthora spp. within Pennsylvania, the Pennsylvania Department of Agriculture collected 89 plant, 137 soil, and 48 water samples from 64 forested sites during 2018 to 2020. In total, 231 Phytophthora ...Dieback and Leaf Spot in Box Elder (Acer negundo) Caused by Exserohilum rostratum
AbstractAbstract
Leaf spot and dieback were observed on box elder (Acer negundo) grown in a nursery in Tai’an city, Shandong Province, China, in 2019, with a disease incidence of 86%. The incidences of Exserohilum rostratum isolation were 75% from the shoots and 66.6% ...- OPENOpen Access license
First Report of the NA2 Clonal Lineage of Phytophthora ramorum in Indiana
Limiting Effects of Low Temperature on Growth and Spore Germination in Gibberella circinata, the Cause of Pitch Canker in Pine Species
AbstractAbstract
ABSTRACTPitch canker, caused by Gibberella circinata (anamorph = Fusarium circinatum), causes canopy dieback and mortality in susceptible pine species in many parts of the world. Pitch canker is most problematic in areas with a relatively warm climate, ...Preinvasion Assessment of Exotic Bark Beetle-Vectored Fungi to Detect Tree-Killing Pathogens
AbstractAbstract
Exotic diseases and pests of trees have caused continental-scale disturbances in forest ecosystems and industries, and their invasions are considered largely unpredictable. We tested the concept of preinvasion assessment of not yet invasive organisms, ...Protein Phosphatase CgPpz1 Regulates Potassium Uptake, Stress Responses, and Plant Infection in Colletotrichum gloeosporioides
AbstractAbstract
Protein phosphatases play important roles in the regulation of various cellular processes in eukaryotes. The ascomycete Colletotrichum gloeosporioides is a causal agent of anthracnose disease on some important crops and trees. In this study, CgPPZ1, a ...Detection and Identification of a ‘Candidatus Liberibacter solanacearum’ Species from Ash Tree Infesting Psyllids
AbstractAbstract
‘Candidatus Liberibacter’ species are associated with severe, economically important diseases. Nearly all known species are putatively insect transmitted, specifically by psyllids. Detection of ‘Ca. Liberibacter’ in plants is complicated by their uneven ...Esteya floridanum sp. nov.: An Ophiostomatalean Nematophagous Fungus and Its Potential to Control the Pine Wood Nematode
AbstractAbstract
The nematophagous fungal genus Esteya is reported as a natural enemy of the pine wood nematode Bursaphelenchus xylophilus, which causes pine wilt in Asia and Europe. During a survey of fungi associated with ambrosia beetles in Florida, an undescribed ...Molecular Phylogenomics and Population Structure of Phytophthora pluvialis
AbstractAbstract
Phytophthora pluvialis is an oomycete that was first isolated from soil, water, and tree foliage in mixed Douglas-fir−tanoak forests of the U.S. Pacific Northwest (PNW). It was then identified as the causal agent of red needle cast of radiata pine (Pinus ...Signatures of Post-Glacial Genetic Isolation and Human-Driven Migration in the Dothistroma Needle Blight Pathogen in Western Canada
AbstractAbstract
Many current tree improvement programs are incorporating assisted gene flow strategies to match reforestation efforts with future climates. This is the case for the lodgepole pine (Pinus contorta var. latifolia), the most extensively planted tree in ...Evolution and Adaptation of Forest and Crop Pathogens in the Anthropocene
AbstractAbstract
Anthropocene marks the era when human activity is making a significant impact on earth, its ecological and biogeographical systems. The domestication and intensification of agricultural and forest production systems have had a large impact on plant and ...HbLFG1, a Rubber Tree (Hevea brasiliensis) Lifeguard Protein, Can Facilitate Powdery Mildew Infection by Suppressing Plant Immunity
AbstractAbstract
Powdery mildew causes substantial losses in crop and economic plant yields worldwide. Although powdery mildew infection of rubber trees (Hevea brasiliensis), caused by the biotrophic fungus Erysiphe quercicola, severely threatens natural rubber production,...Symbiotic Fungi of an Ambrosia Beetle Alter the Volatile Bouquet of Cork Oak Seedlings
AbstractAbstract
In Portugal, fungal symbionts of the ambrosia beetle Platypus cylindrus affect tree vigor of cork oak (Quercus suber) and are linked with the cork oak decline process. Fungal symbionts play crucial roles in the life history of bark and ambrosia beetles ...Temporal and Spatial Genetic Population Structure of Cryphonectria parasitica and Its Associated Hypovirus Across an Invasive Range of Chestnut Blight in Europe
AbstractAbstract
Chestnut blight has spread throughout Europe since the introduction of its causal agent, Cryphonectria parasitica, >70 years ago. In our study, we analyzed the diversity of vegetative compatibility (vc) and microsatellite genotypes of C. parasitica, as ...- OPENOpen Access license
Genome Sequence Resource of Bacillusvelezensis EB14, a Native Endophytic Bacterial Strain with Biocontrol Potential Against the Poplar Stem Canker Causative Pathogen, Sphaerulina musiva
AbstractAbstract
Bacillus velezensis EB14, isolated from a leaf of Populus × jackii, possesses antagonistic activity against Sphaerulina musiva, a fungal pathogen of Populus sp. that causes leaf spots and stem cankers on poplars, limiting the utility of hybrid poplars as ... Molecular and Chemical Screening for Inherent Disease Resistance Factors of Norway Spruce (Picea abies) Clones Against Conifer Stem Rot Pathogen Heterobasidion parviporum
AbstractAbstract
Root and stem rot of conifer trees caused by Heterobasidion annosum species complex leads to huge economic losses in Europe, yet not much is known about the molecular and chemical basis for host resistance. To identify inherent chemical or molecular ...Comparative Association Mapping Reveals Conservation of Major Gene Resistance to White Pine Blister Rust in Southwestern White Pine (Pinus strobiformis) and Limber Pine (P. flexilis)
AbstractAbstract
All native North American white pines are highly susceptible to white pine blister rust (WPBR) caused by Cronartium ribicola. Understanding genomic diversity and molecular mechanisms underlying genetic resistance to WPBR remains one of the great ...Improvement of Sphaeropsis Shoot Blight Disease Resistance by Applying the Ectomycorrhizal Fungus Hymenochaete sp. Rl and Mycorrhizal Helper Bacterium Bacillus pumilus HR10 to Pinus thunbergii
AbstractAbstract
Ectomycorrhizal fungi (EMFs) form symbioses with plant roots to promote nutrient uptake by plants but it is controversial as to whether they induce disease resistance in plants. Here, we inoculated pine seedlings with Sphaeropsis sapinea, which was ...Monocyclic Components and Photosynthetic Damage Caused by Myrtle Rust in Guava Leaves
AbstractAbstract
Austropuccinia psidii, the causal agent of myrtle rust, was, for many years, restricted to the Americas, but since reaching Hawaii in 2005, the pathogen has expanded its global range exponentially. In Brazil, myrtle rust is the main fungal disease in ...