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231225s2004 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS.2004.88.7.758
|2 doi
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|a DE-627
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|a eng
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|a Zauza, E A V
|e verfasserin
|4 aut
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|a Resistance of Eucalyptus Clones to Ceratocystis fimbriata
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|c 2004
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Ceratocystis fimbriata, the inciting agent of wilt, canker, and dieback in eucalyptus plantations, was first reported in Brazil in 1998. There is no information regarding the resistance of Eucalyptus spp. to this pathogen. We determined the reaction of 18 Brazilian, commercial clones of the hybrid Eucalyptus grandis × E. urophylla to inoculation by two isolates of the pathogen in two experiments. Container-grown, 8-month-old rooted cuttings of each clone were wound-inoculated with a conidial suspension (2.5 × 106/ml). Plants similarly injected with sterile distilled water served as controls. The plants were evaluated after 30 days for length of xylem discoloration. There was a significant isolate by clone interaction, but most clones reacted similarly to the two isolates. Six clones, including one observed to be highly susceptible under field conditions, were highly susceptible (>20 cm discoloration) to one or both isolates of the pathogen. Four clones showed no more discoloration with either isolate than with the control inoculations, and the other eight clones were intermediate in susceptibility. Thus, highly resistant clones are available to manage this disease
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|a Journal Article
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|a clonal propagation
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1 |
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|a Alfenas, A C
|e verfasserin
|4 aut
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1 |
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|a Harrington, T C
|e verfasserin
|4 aut
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1 |
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|a Mizubuti, E S
|e verfasserin
|4 aut
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|a Silvai, J F
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant disease
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|g 88(2004), 7 vom: 20. Juli, Seite 758-760
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|x 0191-2917
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|g volume:88
|g year:2004
|g number:7
|g day:20
|g month:07
|g pages:758-760
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|u http://dx.doi.org/10.1094/PDIS.2004.88.7.758
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