Evaluation of genetic resistance in Pinus to pitch canker in Spain
Pitch canker is a disease that affects pines in many countries throughout the world. Fusarium circinatum, the causal agent of pitch canker, has recently been reported in Europe, where it is regulated as a quarantine pest. This pathogen represents a substantial threat to natural Pinus forests and plantations. To date, two mating types of F. circinatum have been described, both of which are present in Spain. To assess the potential risk of F. circinatum to Pinus in Spain, the main conifer species grown in Spain, namely Pinus sylvestris , P. nigra, P. pinaster, P. radiata , P. halepensis P. pinea and P. uncinata , were examined for their susceptibility to four Spanish isolates of F. circinatum. Two-year-old shoots were wounded and then inoculated with the four Spanish isolates, and lesion lengths were measured 2 weeks after inoculation. Pinus radiata was found to be the most susceptible species to the Spanish isolates, whereas P. pinea, P. halepensis, P. nigra, P. uncinata and P. pinaster were found to be relatively resistant and showed a significantly different lesion size from P. radiata. For P. pinaster, variations in resistance were found between provenances. One particular provenance (Meseta Castellana) was found to be more resistant than the three other provenances tested. No differences in virulence between the Mat-1 and Mat-2 isolates were detected. Overall, the low susceptibility of all native species to pitch canker suggests a moderate potential risk to the Spanish natural forests and a high potential risk to the exotic forestry of P. radiata. © Australasian Plant Pathology Society Inc. 2012.
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Format: | artículo biblioteca |
Language: | English |
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Springer
2012
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Subjects: | Pinus, Fusarium circinatum, Pitch canker, Resistance, Inoculation, Mating types, |
Online Access: | http://hdl.handle.net/20.500.12792/2158 http://hdl.handle.net/10261/292538 |
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dig-inia-es-10261-2925382023-02-20T07:29:57Z Evaluation of genetic resistance in Pinus to pitch canker in Spain Iturritxa, E. Mesanza, N. Elvira Recuenco, Margarita Serrano, Y. Quintana, E. Raposo Llobet, María Rosa Pinus Fusarium circinatum Pitch canker Resistance Inoculation Mating types Pitch canker is a disease that affects pines in many countries throughout the world. Fusarium circinatum, the causal agent of pitch canker, has recently been reported in Europe, where it is regulated as a quarantine pest. This pathogen represents a substantial threat to natural Pinus forests and plantations. To date, two mating types of F. circinatum have been described, both of which are present in Spain. To assess the potential risk of F. circinatum to Pinus in Spain, the main conifer species grown in Spain, namely Pinus sylvestris , P. nigra, P. pinaster, P. radiata , P. halepensis P. pinea and P. uncinata , were examined for their susceptibility to four Spanish isolates of F. circinatum. Two-year-old shoots were wounded and then inoculated with the four Spanish isolates, and lesion lengths were measured 2 weeks after inoculation. Pinus radiata was found to be the most susceptible species to the Spanish isolates, whereas P. pinea, P. halepensis, P. nigra, P. uncinata and P. pinaster were found to be relatively resistant and showed a significantly different lesion size from P. radiata. For P. pinaster, variations in resistance were found between provenances. One particular provenance (Meseta Castellana) was found to be more resistant than the three other provenances tested. No differences in virulence between the Mat-1 and Mat-2 isolates were detected. Overall, the low susceptibility of all native species to pitch canker suggests a moderate potential risk to the Spanish natural forests and a high potential risk to the exotic forestry of P. radiata. © Australasian Plant Pathology Society Inc. 2012. 2023-02-20T07:29:57Z 2023-02-20T07:29:57Z 2012 artículo Australasian Plant Pathology 41: 601-607 (2012) 0815-3191 http://hdl.handle.net/20.500.12792/2158 http://hdl.handle.net/10261/292538 10.1007/s13313-012-0160-4 1448-6032 en none Springer |
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Pinus Fusarium circinatum Pitch canker Resistance Inoculation Mating types Pinus Fusarium circinatum Pitch canker Resistance Inoculation Mating types |
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Pinus Fusarium circinatum Pitch canker Resistance Inoculation Mating types Pinus Fusarium circinatum Pitch canker Resistance Inoculation Mating types Iturritxa, E. Mesanza, N. Elvira Recuenco, Margarita Serrano, Y. Quintana, E. Raposo Llobet, María Rosa Evaluation of genetic resistance in Pinus to pitch canker in Spain |
description |
Pitch canker is a disease that affects pines in many countries throughout the world. Fusarium circinatum, the causal agent of pitch canker, has recently been reported in Europe, where it is regulated as a quarantine pest. This pathogen represents a substantial threat to natural Pinus forests and plantations. To date, two mating types of F. circinatum have been described, both of which are present in Spain. To assess the potential risk of F. circinatum to Pinus in Spain, the main conifer species grown in Spain, namely Pinus sylvestris , P. nigra, P. pinaster, P. radiata , P. halepensis P. pinea and P. uncinata , were examined for their susceptibility to four Spanish isolates of F. circinatum. Two-year-old shoots were wounded and then inoculated with the four Spanish isolates, and lesion lengths were measured 2 weeks after inoculation. Pinus radiata was found to be the most susceptible species to the Spanish isolates, whereas P. pinea, P. halepensis, P. nigra, P. uncinata and P. pinaster were found to be relatively resistant and showed a significantly different lesion size from P. radiata. For P. pinaster, variations in resistance were found between provenances. One particular provenance (Meseta Castellana) was found to be more resistant than the three other provenances tested. No differences in virulence between the Mat-1 and Mat-2 isolates were detected. Overall, the low susceptibility of all native species to pitch canker suggests a moderate potential risk to the Spanish natural forests and a high potential risk to the exotic forestry of P. radiata. © Australasian Plant Pathology Society Inc. 2012. |
format |
artículo |
topic_facet |
Pinus Fusarium circinatum Pitch canker Resistance Inoculation Mating types |
author |
Iturritxa, E. Mesanza, N. Elvira Recuenco, Margarita Serrano, Y. Quintana, E. Raposo Llobet, María Rosa |
author_facet |
Iturritxa, E. Mesanza, N. Elvira Recuenco, Margarita Serrano, Y. Quintana, E. Raposo Llobet, María Rosa |
author_sort |
Iturritxa, E. |
title |
Evaluation of genetic resistance in Pinus to pitch canker in Spain |
title_short |
Evaluation of genetic resistance in Pinus to pitch canker in Spain |
title_full |
Evaluation of genetic resistance in Pinus to pitch canker in Spain |
title_fullStr |
Evaluation of genetic resistance in Pinus to pitch canker in Spain |
title_full_unstemmed |
Evaluation of genetic resistance in Pinus to pitch canker in Spain |
title_sort |
evaluation of genetic resistance in pinus to pitch canker in spain |
publisher |
Springer |
publishDate |
2012 |
url |
http://hdl.handle.net/20.500.12792/2158 http://hdl.handle.net/10261/292538 |
work_keys_str_mv |
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