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Detection and Identification of the Causal Agents of Dothistroma Needle Blight
2022Dothistroma needle blight (DNB) is one of the most damaging foliage diseases of pine in plantations and natural forests worldwide and is caused by two closely related fungi: Dothistroma septosporum and D. pini, which are virtually impossible to differentiate from each other based on morphology.
Funda, Oskay +2 more
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Dothistromin toxin is not required for dothistroma needle blight in Pinus radiata
Plant Pathology, 2009 The pine needle blight pathogen Dothistroma septosporum produces a polyketide toxin, dothistromin. This paper reports that loss of the ability to produce dothistromin did not affect the pathogenicity of D.
Rosie Bradshaw, Arne Schwelm
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Effect of dothistroma needle blight on needle and shoot lengths
Forest Pathology, 2017SummaryThe needles of pine trees are indicative of the overall health of the tree, and their length is affected by many factors. This study describes the effect of high levels of pathogen infection on lengths of both needles and shoots. Dothistroma septosporum is an important foliar pathogen of pines causing necrosis and premature defoliation with ...
M. S. Mullett, A. V. Brown
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Biological control of Dothistroma needle blight on pine with Aneurinibacillus migulanus
Forest Pathology, 2015SummaryThe ability of two strains of the antibiotic‐producing bacillus Aneurinibacillus migulanus to control Dothistroma septosporum infection of pine was tested in artificial inoculation experiments on 2‐year‐old Pinus contorta plants. Disease severity (% needles with conidiomata) on control plants was 5.8 ± 1.7%, compared with 6.2 ± 2.0% on plants ...
Dogmus, T. H. +7 more
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An RNA interference (RNAi) target with potential to control Dothistroma needle blight
New Zealand Plant Protection, 2023Spray-induced gene silencing (SIGS) involves exogenous spray applications of double-stranded RNA (dsRNA) molecules targeting specific genes, such as those essential to pathogens. This technique has shown great potential for controlling fungal pathogens of horticultural and agricultural plants, but few studies have evaluated its application to forest ...
Ashleigh M. Mosen +4 more
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Dothistroma needle blight of pines
Annals of Applied Biology, 1967SUMMARYIn laboratory and field tests against Dothistroma pini of thirty‐eight commercially available or experimental fungicides several showed high contact activity (notably Blasticidin M), indicating potential eradicant properties. Only triphenyl tin or copper‐based compounds gave good field protection.For protection, two widely spaced annual ...
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Dothistroma needle blight of pines: Effect and etiology
Annals of Applied Biology, 1967SUMMARYThe defoliating needle blight of pines caused by Dothistroma pini Hulbary (perfect state Scirrhia pini Funk & Parker) is severely damaging to plantations of Pinus radiata D. Don., P. ponderosa Laws, and P. nigra Am. Symptoms and studies on P. radiata are reported.Disease severity has a linear relationship to stunting in very young trees, and
D. HOCKING, D. E. ETHERIDGE
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Dothistromin toxin is a virulence factor in dothistroma needle blight of pines
Plant Pathology, 2014Dothistromin is a broad‐spectrum mycotoxin produced by the D othideomycete pine needle pathogen D othistroma septosporum .
M. S. Kabir +2 more
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Clonal selection for resistance to Dothistroma needle blight in Pinus radiata
New Forests, 1990Fifty-two clones in twenty-two full-sib families were represented in a field trial. All cuttings were taken from hedged ortets which were four years from seed, but had been cut back periodically to one metre high since age two. One-year-old seedlings, from a seed orchard, where most of the parents of the clones were represented, were used as controls ...
P. K. Ades, J. A. Simpson
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Microsatellite markers for the red band needle blight pathogen, Dothistroma septosporum
Molecular Ecology Resources, 2008AbstractTwelve microsatellite markers were developed for population analyses of the fungal pathogen, Dothistroma septosporum. Intersimple sequence repeat polymerase chain reaction (ISSR‐PCR) and an enrichment protocol (fast isolation by amplified fragment length polymorphism of sequences containing repeats [FIASCO]) were both used to identify 28 unique
Barnes, Irene +3 more
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