Abstract
Vegetative compatibility, determined by pairing auxotrophic mutants that are unable to utilize mineral nitrogen, was studied by means of 44 isolates of Verticillium dahliae Kleb. Thirty-seven isolates were collected from olive in the main areas in Morocco, 3 from Algerian olives, 2 from tomato, 1 from aubergine and 1 from olive-grove soil where Verticillium wilt was present. Approximately 475 mutants were used, allowing assignment of 34 isolates to 3 vegetative compatibility groups (VCGs). The VCGs of the remaining 10 isolates were not defined. The pathogenicity of ten isolates was assessed by inoculating olive plants with suspensions of conidia at 105 conidia ml-1. Highly significant differences in the pathogenic ability of the ten isolates were recorded. No relationship was found between VCGs and pathogenicity of isolates.
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Claims 4
Claim · model-written summary
Thirty-four Verticillium dahliae isolates were assigned to three vegetative compatibility groups.
- Taxon
- olive
Olea europaeat0 - Outcome
- vegetative compatibility groupse0
- Value
- 3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Approximately 475 mutants were used, allowing assignment of 34 isolates to 3 vegetative compatibility groups (VCGs)”
t0“Verticillum dahliae isolates from olive”
Claim · model-written summary
The VCGs of ten remaining isolates could not be defined.
- Taxon
- oliveOlea europaeat0
- Outcome
- VCGse0
- Value
- 10e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The VCGs of the remaining 10 isolates were not defined”
t0“Verticillum dahliae isolates from olive”
Claim · model-written summary
The ten isolates differed highly significantly in pathogenicity toward inoculated olive plants.
- Taxon
- oliveOlea europaeae0
- Treatment
- inoculating olive plants with suspensions of conidia at 105 conidia ml-1e0
- Outcome
- pathogenic abilitye0
- Direction
- differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The pathogenicity of ten isolates was assessed by inoculating olive plants with suspensions of conidia at 105 conidia ml-1. Highly significant differences in the pathogenic ability of the ten isolates were recorded”
Claim · model-written summary
Vegetative compatibility group was unrelated to isolate pathogenicity.
- Taxon
- oliveOlea europaeat0
- Material
- isolatese0
- Outcome
- pathogenicitye0
- Direction
- No relationshipe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No relationship was found between VCGs and pathogenicity of isolates”
t0“olive”