scholarly journals PM 7/123 (1) Phytophthora lateralis

EPPO Bulletin ◽  
2015 ◽  
Vol 45 (3) ◽  
pp. 397-409 ◽  
Keyword(s):  
Phytophthora Lateralis

scholarly journals Root Rot of Juniperus and Microbiota by Phytophthora lateralis in Oregon Horticultural Nurseries

Plant Disease ◽  
2020 ◽  
Vol 104 (5) ◽  
pp. 1500-1506
Author(s):  
Ebba K. Peterson ◽  
Franziska Rupp ◽  
Joyce Eberhart ◽  
Jennifer L. Parke
Keyword(s):  
Root Rot ◽  
Internal Transcribed Spacer ◽  
Major Gene ◽  
Resistance Breeding ◽  
Its2 Region ◽  
Phytophthora Spp ◽  
Major Gene Resistance ◽  
Phytophthora Lateralis ◽  
Chamaecyparis Lawsoniana ◽  
Port Orford Cedar

Widespread symptoms of root rot and mortality on Juniperus communis and Microbiota decussata were observed in two horticultural nurseries in Oregon, leading to the isolation of a Phytophthora sp. from diseased roots. Based on morphology and sequencing the internal transcribed spacer ITS1-5.8S-ITS2 region, isolates were identified as the invasive pathogen Phytophthora lateralis, causal agent of Port-Orford-cedar (POC; Chamaecyparis lawsoniana) root disease. Additional sequencing of the cytochrome c oxidase subunit 1 and 2 genes identified all isolates as belonging to the PNW lineage. Utilizing recovered isolates plus a POC-wildlands isolate and susceptible POC as controls, we completed Koch’s postulates on potted Juniperus and Microbiota plants. Nursery isolates were more aggressive than the forest isolate, which was used in the POC resistance breeding program. Increased aggressiveness was confirmed using a branch stem dip assay with four POC clones that differed in resistance, although no isolate completely overcame major-gene resistance. Isolates were sensitive to mefenoxam, a fungicide commonly used to suppress Phytophthora spp. growth in commercial nurseries. Although POC resistance is durable against these more aggressive nursery isolates, the expanded host range of P. lateralis challenges POC conservation through the continued movement of P. lateralis by the nursery industry.

Phytophthora lateralis

2011 ◽  
Vol 1 (1) ◽  
Author(s):  
E. M. Hansen
Keyword(s):  
Phytophthora Lateralis

Contrasting microsatellite diversity in the evolutionary lineages of Phytophthora lateralis

2017 ◽  
Vol 121 (2) ◽  
pp. 112-126 ◽  
Author(s):  
AnnaMaria Vettraino ◽  
Clive M. Brasier ◽  
Joan F. Webber ◽  
Everett M. Hansen ◽  
Sarah Green ◽  
...  
Keyword(s):  
Phytophthora Lateralis ◽  
Evolutionary Lineages ◽  
Microsatellite Diversity

Sporulation and Germination of Phytophthora lateralis

1974 ◽  
Vol 64 (12) ◽  
pp. 1531 ◽  
Author(s):  
Edward J. Trione
Keyword(s):  
Phytophthora Lateralis

Root and aerial infections of Chamaecyparis lawsoniana by Phytophthora lateralis: a new threat for European countries

2010 ◽  
Vol 41 (5) ◽  
pp. 417-424 ◽  
Author(s):  
C. Robin ◽  
D. Piou ◽  
N. Feau ◽  
G. Douzon ◽  
N. Schenck ◽  
...  
Keyword(s):  
European Countries ◽  
Phytophthora Lateralis ◽  
Chamaecyparis Lawsoniana

Isolation of Phytophthora lateralis from Chamaecyparis foliage in Taiwan

2011 ◽  
Vol 42 (2) ◽  
pp. 136-143 ◽  
Author(s):  
J. F. Webber ◽  
A. M. Vettraino ◽  
T. T. Chang ◽  
S.E. Bellgard ◽  
C. M. Brasier ◽  
...  
Keyword(s):  
Phytophthora Lateralis

A robust and specific real-time PCR tool for the detection of Phytophthora lateralis in plant tissues

2016 ◽  
Vol 146 (2) ◽  
pp. 231-244 ◽  
Author(s):  
Nathalie Schenck ◽  
Celine Fourrier-Jeandel ◽  
Renaud Ioos
Keyword(s):  
Real Time ◽  
Real Time Pcr ◽  
Plant Tissues ◽  
Phytophthora Lateralis
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