Scleroderris canker of Todo-Fir in Hokkaido, Northern Japan I. Present status of damage, and features of infected plantations

Yokota, Shun-ichi; Uozumi, T.; Matsuzaki, Shinya

doi:10.1111/j.1439-0329.1974.tb00421.x

Cited by 28 publications

(16 citation statements)

References 4 publications

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“…These kinds of bracts do not exist on spruce and fir. However, it has to be noted that GAA-EU has been able to infect Norway spruce in Europe (Barklund & Rowe 1981) while GAA-AS can infect Todo fir in Japan (Yokota et al 1974). Lecours et al (1994) used pectinase isozyme patterns to characterize Gremmeniella spp.…”

mentioning

confidence: 99%

Host preference of twoGremmeniella abietinavarieties on balsam Or, jack pine, and black spruce in eastern Canada

Laflamme

Ylimartimo

Blais

1996

Canadian Journal of Plant Pathology

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mentioning

confidence: 99%

Host preference of twoGremmeniella abietinavarieties on balsam Or, jack pine, and black spruce in eastern Canada

Laflamme

Ylimartimo

Blais

1996

Canadian Journal of Plant Pathology

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“…Morelet, the causal agent of Scleroderris canker of conifers, is a damaging fungal pathogen in the pine plantations and tree nurseries in North America, Europe and Asia (Gibbs 1984;Laflamme 1993;Laflamme and Lachance 1987;Setliff et al 1975;Skilling et al 1986;Yokota et al 1974). Dorworth and Krywienczyk (1975) recognized three races of G. abietina based on serological tests.…”

Section: Introductionmentioning

confidence: 99%

Resistance of Pinus banksiana to the European race of Gremmeniella abietina

Laflamme¹,

Blais²

2005

phyto

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Au début des années 80, plus de 90 % de mortalité causée par Gremmeniella abietina, race européenne, a été relevée dans des plantations de pin rouge (Pinus resinosa) localisées à environ 200 km au nord-ouest de Montréal, Québec, Canada. Les pins gris ( Pinus banksiana) avoisinants ne semblaient pas attaqués. Les forestiers ont donc reboisé ces aires avec des semis de pin gris. Des parcelles d'études de 100 pins gris ont été établies dans trois plantations sur les quatre sélectionnées en 1988. Comme références, des semis de pin rouge ont été plantés dans des conditions semblables dans la quatrième plantation en 1989. Les observations annuelles se sont déroulées de 1989 à 1992. La mortalité des semis de pin rouge atteignait 70 % en 1992 alors que les pins gris des trois sites expérimentaux n'étaient pas attaqués, à l'exception d'une brûlure à l'extrémité des pousses, caractéristique qui permet d'identifier la race au champ. Les symptômes de la race nord-américaine étaient présents à un taux très bas; leur incidence a augmenté sur le site I en 1992. Plus de 10 ans après la plantation, les pins gris montrent une résistance à la race européenne de G. abietina alors que tous les pins rouges sont morts.In the early 1980s, more than 90% of mortality caused by Gremmeniella abietina, European race, was recorded in red pine (Pinus resinosa) plantations 200 km northwest of Montreal, Quebec, Canada. Surrounding jack pines (Pinus banksiana) did not appear to be affected. Consequently, foresters began to plant the affected areas with jack pine seedlings. In 1988, plots of 100 jack pines were established in three of the four selected plantations. As reference, red pine seedlings were planted in 1989 under similar conditions in the fourth plantation. Observations were carried out annually from 1989 to 1992. Mortality of red pine seedlings reached 70% in 1992 while all jack pines on the three experimental sites were free of the disease except for a tip blight, a distinctive feature allowing race identification in the field. The North American race symptoms were present at a very low incidence, but began to increase on site I in 1992. More than 10 years after planting, the jack pine trees still show resistance to the European race of G. abietina while all the red pines died

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“…, is one of the most serious diseases of coniferous trees and has destroyed many young conifer stands in Europe during the last few decades (Donaubauer 1972, Stephan 1990, North America (Laflamme & Lachance 1987, Hudler & Neal 1990, and East Asia (Yokota et al 1974). The pathogen is mainly found on Pinus spp.…”

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confidence: 99%

Phaeotheca dimorphosporaas a potential biocontrol agent for shoot blight caused byGremmeniella abietina

Yang

Laflamme

Bernier

et al. 1995

Canadian Journal of Plant Pathology

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Scleroderris canker of Todo-Fir in Hokkaido, Northern Japan I. Present status of damage, and features of infected plantations

Abstract: This is an introductory paper on the outbreak of Scleroderris canker of Todo‐fir (Abies sacbalisnensis Mast.) in Hokkaido, northern Japan. Symptoms, distribution of the disease, and features of infected plantations are described. The variability of disease intensity is also described.

Cited by 28 publications

References 4 publications

Host preference of twoGremmeniella abietinavarieties on balsam Or, jack pine, and black spruce in eastern Canada

Host preference of twoGremmeniella abietinavarieties on balsam Or, jack pine, and black spruce in eastern Canada

Resistance of Pinus banksiana to the European race of Gremmeniella abietina

Phaeotheca dimorphosporaas a potential biocontrol agent for shoot blight caused byGremmeniella abietina

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