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Variation in susceptibility and tolerance within and between populations of Tussilago farfara L. infected by Coleosporium tussilaginis (Pers.) Berk.

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Variation in susceptibility and tolerance within and between populations of Tussilago farfara L. infected by Coleosporium tussilaginis (Pers.) Berk. / de Nooij, Marianne P.; Paul, Nigel D.; Ayres, Peter G.
In: New Phytologist, Vol. 129, No. 1, 01.1995, p. 117-123.

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@article{c447fa72aa4f43a08af27e5cc5c88474,
title = "Variation in susceptibility and tolerance within and between populations of Tussilago farfara L. infected by Coleosporium tussilaginis (Pers.) Berk.",
abstract = "Quantitative variation in susceptibility to infection by the rust Coleosporium tussilaginis, and in reduction in growth owing to the infection, were determined in 30 clonally propagated genotypes of Tussilago farfara sampled from three geographically isolated sites, Arnhem (The Netherlands), Lancaster and Sheffield (both UK). Populations, and genotypes within populations showed no significant variation in intensity of disease after artificial inoculation under ideal conditions with a fungal isolate collected from the Lancaster population. By contrast, significant differences between and within populations were observed after natural secondary infection by spores produced from the artificially inoculated plants. Genotypes differed considerably in the reduction in growth caused by the infection, but this was not correlated with the extent of symptoms shown by the plants. Low resistance was associated with high tolerance, as in the Lancaster and Sheffield populations, while high resistance was associated with low tolerance, as in the Arnhem population. The evolutionary significance of these associations is discussed.",
keywords = "Rust • resistance • tolerance • Tussilago farfara • Coleosporium tussilaginis",
author = "{de Nooij}, {Marianne P.} and Paul, {Nigel D.} and Ayres, {Peter G.}",
year = "1995",
month = jan,
doi = "10.1111/j.1469-8137.1995.tb03015.x",
language = "English",
volume = "129",
pages = "117--123",
journal = "New Phytologist",
issn = "1469-8137",
publisher = "Wiley",
number = "1",

}

RIS

TY - JOUR

T1 - Variation in susceptibility and tolerance within and between populations of Tussilago farfara L. infected by Coleosporium tussilaginis (Pers.) Berk.

AU - de Nooij, Marianne P.

AU - Paul, Nigel D.

AU - Ayres, Peter G.

PY - 1995/1

Y1 - 1995/1

N2 - Quantitative variation in susceptibility to infection by the rust Coleosporium tussilaginis, and in reduction in growth owing to the infection, were determined in 30 clonally propagated genotypes of Tussilago farfara sampled from three geographically isolated sites, Arnhem (The Netherlands), Lancaster and Sheffield (both UK). Populations, and genotypes within populations showed no significant variation in intensity of disease after artificial inoculation under ideal conditions with a fungal isolate collected from the Lancaster population. By contrast, significant differences between and within populations were observed after natural secondary infection by spores produced from the artificially inoculated plants. Genotypes differed considerably in the reduction in growth caused by the infection, but this was not correlated with the extent of symptoms shown by the plants. Low resistance was associated with high tolerance, as in the Lancaster and Sheffield populations, while high resistance was associated with low tolerance, as in the Arnhem population. The evolutionary significance of these associations is discussed.

AB - Quantitative variation in susceptibility to infection by the rust Coleosporium tussilaginis, and in reduction in growth owing to the infection, were determined in 30 clonally propagated genotypes of Tussilago farfara sampled from three geographically isolated sites, Arnhem (The Netherlands), Lancaster and Sheffield (both UK). Populations, and genotypes within populations showed no significant variation in intensity of disease after artificial inoculation under ideal conditions with a fungal isolate collected from the Lancaster population. By contrast, significant differences between and within populations were observed after natural secondary infection by spores produced from the artificially inoculated plants. Genotypes differed considerably in the reduction in growth caused by the infection, but this was not correlated with the extent of symptoms shown by the plants. Low resistance was associated with high tolerance, as in the Lancaster and Sheffield populations, while high resistance was associated with low tolerance, as in the Arnhem population. The evolutionary significance of these associations is discussed.

KW - Rust • resistance • tolerance • Tussilago farfara • Coleosporium tussilaginis

U2 - 10.1111/j.1469-8137.1995.tb03015.x

DO - 10.1111/j.1469-8137.1995.tb03015.x

M3 - Journal article

VL - 129

SP - 117

EP - 123

JO - New Phytologist

JF - New Phytologist

SN - 1469-8137

IS - 1

ER -