Abstract
The relationships between the plant parasitic nematodes Meloidogyne incognita and Pratylenchus vublUS and the fungus Verticillium dahliae were studied on the two olive cultivars Leccino and Pendolino. One year old rooted cuttings were planted in July 1998 in 1.2 I clay pots filled with steamed sandy soil. For each cultivar there were uninoculated plants, which served as control, plants inoculated only with M. incognita (4,000 eggs/pot), P. vulnus (200 nematodes/pot) or V dahliae (50 ml!pot of a suspension at a concentration of 4x107 conidia/m!), plants inoculated with either nematode species plus the fungus, and plants inoculated with all three pathogens. Eighteen months after fungus inoculation, when the test was discontinued, plant growth parameters were determined together with vascular discoloration, root gall index and nematode reproduction rate. All plants inoculated with 17 dahliae either as a single pathogen or in combination with nematodes consistently showed wilting and vascular discoloration. Plants of the cv. Pendolino inoculated Simultaneously with the three pathogens exhibited significantly higher wilt severity after six months, but not after 18 months. Olive growth was suppressed by all pathogens when were inoculated singly or in combination. However, the combined inoculation of olive with V dahliae and nematodes did not result in additional growth suppression. Root growth of olive was statistically suppressed by V. dahliae, but not by either of the nematode species. Reproduction of M. incognita was reduced on cv. Leccino by the simultaneous presence of P. vulnus and on cv. Pendolino by the simultaneous presence of P. vulnus or V dahliae alone or in combination. The reproduction of P. vulnus was suppressed by all pathogen combinations on cv. Leccino and only by the simultaneous presence with M. incognita on cv. Pendolino.
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Claims 11
Claim · model-written summary
Verticillium inoculation, singly or with nematodes, caused olive wilting and vascular discoloration.
- Taxon
- olive
Olea europaeat0 - Treatment
- inoculated with 17 dahliaee0
- Interactor
- 17 dahliaee0pathogen
- Outcome
- wilting and vascular discoloratione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All plants inoculated with 17 dahliae either as a single pathogen or in combination with nematodes consistently showed wilting and vascular discoloration.”
t0“on olive”
Claim · model-written summary
Triple inoculation increased Pendolino wilt severity at six months.
- Taxon
- oliveOlea europaeat0
- Material
- Pendolinoe0
- Treatment
- three pathogense0
- Outcome
- wilt severitye0
- Direction
- highere0
- Qualifier
- after six monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants of the cv. Pendolino inoculated Simultaneously with the three pathogens exhibited significantly higher wilt severity after six months, but not after 18 months.”
t0“on olive”
Claim · model-written summary
The higher Pendolino wilt severity under triple inoculation did not persist at 18 months.
- Taxon
- oliveOlea europaeat0
- Material
- Pendolinoe0
- Treatment
- three pathogense0
- Outcome
- wilt severitye0
- Direction
- no_changeinferrede0
- Qualifier
- after 18 monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants of the cv. Pendolino inoculated Simultaneously with the three pathogens exhibited significantly higher wilt severity after six months, but not after 18 months.”
t0“on olive”
Claim · model-written summary
Pathogens alone and in combinations suppressed olive growth.
- Taxon
- OliveOlea europaeae0
- Treatment
- all pathogense0
- Outcome
- growthe0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Olive growth was suppressed by all pathogens when were inoculated singly or in combination.”
Claim · model-written summary
Adding nematodes to V. dahliae did not add growth suppression.
- Taxon
- oliveOlea europaeae0
- Treatment
- combined inoculation of olive with V dahliae and nematodese0
- Outcome
- growth suppressione0
- Direction
- did not result in additionale0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the combined inoculation of olive with V dahliae and nematodes did not result in additional growth suppression.”
Claim · model-written summary
V. dahliae suppressed olive root growth.
- Taxon
- oliveOlea europaeae0
- Treatment
- V. dahliaee0
- Interactor
- V. dahliae
Verticillium dahliaee0pathogen - Outcome
- Root growthe0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root growth of olive was statistically suppressed by V. dahliae, but not by either of the nematode species.”
Claim · model-written summary
Neither nematode species statistically suppressed olive root growth.
- Taxon
- oliveOlea europaeae0
- Treatment
- either of the nematode speciese0
- Outcome
- Root growthe0
- Direction
- no_changeinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root growth of olive was statistically suppressed by V. dahliae, but not by either of the nematode species.”
Claim · model-written summary
P. vulnus reduced M. incognita reproduction on Leccino.
- Taxon
- oliveOlea europaeat0
- Material
- Leccinoe0
- Treatment
- simultaneous presence of P. vulnuse0
- Interactor
- M. incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae0pathogen - Second interactor
- P. vulnusPratylenchus vulnuse0pathogen
- Outcome
- Reproduction of M. incognitae0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“Reproduction of M. incognita was reduced on cv. Leccino by the simultaneous presence of P. vulnus”
t0“on olive”
Claim · model-written summary
P. vulnus, V dahliae, or both reduced M. incognita reproduction on Pendolino.
- Taxon
- oliveOlea europaeat0
- Material
- Pendolinoe0
- Treatment
- simultaneous presence of P. vulnus or V dahliae alone or in combinatione0
- Interactor
- M. incognitaMeloidogyne incognitae1pathogene0
- Outcome
- Reproduction of M. incognitae1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on cv. Pendolino by the simultaneous presence of P. vulnus or V dahliae alone or in combination.”
t0“on olive”
e1“Reproduction of M. incognita was reduced”
Claim · model-written summary
All pathogen combinations suppressed P. vulnus reproduction on Leccino.
- Taxon
- oliveOlea europaeat0
- Material
- Leccinoe0
- Treatment
- all pathogen combinationse0
- Interactor
- P. vulnusPratylenchus vulnuse0pathogen
- Outcome
- reproduction of P. vulnuse0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reproduction of P. vulnus was suppressed by all pathogen combinations on cv. Leccino”
t0“on olive”
Claim · model-written summary
M. incognita suppressed P. vulnus reproduction on Pendolino.
- Taxon
- oliveOlea europaeat0
- Material
- Pendolinoe0
- Treatment
- simultaneous presence with M. incognitae0
- Interactor
- P. vulnusPratylenchus vulnuse1pathogene0
- Second interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Outcome
- reproduction of P. vulnuse1
- Direction
- suppressede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only by the simultaneous presence with M. incognita on cv. Pendolino.”
t0“on olive”
e1“The reproduction of P. vulnus was suppressed”
The same questions in other papers
Verticillium dahliae · growth · Olea europaea (common olive)Results agree
1 paper in the same direction as this paper
- negative
inoculation · control · Olea europaea (common olive)Positive and negative results
1 in the opposite direction
- positive
inoculation · disease · Olea europaea (common olive)Positive and negative results
9 papers in the same direction as this paper · 7 in the opposite direction
- positive
- positive
- positive
13 papers more in this group
See all 17 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.