Field Resistance to Verticillium Wilt in Selected Olive Cultivars Grown in Two Naturally Infested Soils

The resistance of 11 olive cultivars to Verticillium dahliae was assessed in two experimental field trials. One-year-old rooted olive cuttings from the World Olive Germplasm Bank (IFAPA research center, Córdoba, Spain) were planted in a heavily infested field in Utrera (Sevilla province) and in a mo...

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Veröffentlicht in:Plant disease. - 1997. - 97(2013), 5 vom: 05. Mai, Seite 668-674
1. Verfasser: Trapero, C (VerfasserIn)
Weitere Verfasser: Serrano, N, Arquero, O, Del Río, C, Trapero, A, López-Escudero, F J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a The resistance of 11 olive cultivars to Verticillium dahliae was assessed in two experimental field trials. One-year-old rooted olive cuttings from the World Olive Germplasm Bank (IFAPA research center, Córdoba, Spain) were planted in a heavily infested field in Utrera (Sevilla province) and in a moderately infested field in Andújar (Jaén province) of southern Spain. Plants were assessed for Verticillium wilt resistance during 22 months based on disease severity and tree growth. Severe disease symptoms were observed 6 months after planting in both trials. Twenty months after planting in the heavily infested soil, V. dahliae had killed nearly all of the trees of 'Bodoquera', 'Cornicabra', 'Manzanilla de Sevilla', and 'Picual', demonstrating the elevated risk of planting susceptible cultivars in a soil heavily infested with V. dahliae. 'Arbequina', 'Koroneiki', 'Sevillenca', and especially 'Frantoio', 'Empeltre', and 'Changlot Real' showed a high level of disease resistance. However, all of them were affected by the disease. Although the field results confirmed the level of resistance previously obtained for these olive genotypes under controlled conditions, there were some discrepancies. This information will be useful in managing the disease and also in selecting new cultivars for the breeding of Verticillium wilt resistance 
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700 1 |a Arquero, O  |e verfasserin  |4 aut 
700 1 |a Del Río, C  |e verfasserin  |4 aut 
700 1 |a Trapero, A  |e verfasserin  |4 aut 
700 1 |a López-Escudero, F J  |e verfasserin  |4 aut 
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