Abstract
The effects of culture filtrates of Rhizoctonia solani and root exudates of R. solani-infected cotton (Gossypium hirsutum) seedlings on hatching of eggs and infectivity of females of Rotylenchulus reniformis were evaluated in an attempt to account for the enhanced nematode reproduction observed in the presence of this fungus. Crude filtrates of R. solani cultures growing over sterile, deionized distilled water did not affect egg hatching. Exudates from roots of cotton seedlings increased hatching of R. reniformis eggs over that observed in water controls. Exudates from cotton seedling roots not infected or infected with R. solani did not differ in their effect on egg hatching. However, infection of cotton seedlings by reniform females was increased in the presence of R. solani, resulting in the augmented egg production and juvenile population densities in soil observed in greenhouse studies.
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Claims 5
Claim · model-written summary
Rhizoctonia solani culture filtrate did not affect nematode egg hatching.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- Crude filtrates of R. solani culturese0
- Interactor
- R. solani
Rhizoctonia solanie0pathogen - Outcome
- egg hatchinge0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Crude filtrates of R. solani cultures growing over sterile, deionized distilled water did not affect egg hatching.”
t0“R. solani-infected cotton”
Claim · model-written summary
Cotton root exudates increased reniform nematode egg hatching compared with water.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- Exudates from roots of cotton seedlingse0
- Interactor
- R. reniformis
Rotylenchulus reniformise0pathogen - Outcome
- hatching of R. reniformis eggse0
- Direction
- increasede0
- Comparator
- water controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exudates from roots of cotton seedlings increased hatching of R. reniformis eggs over that observed in water controls.”
Claim · model-written summary
Fungal infection of cotton roots did not change the exudate effect on nematode egg hatching.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- infected with R. solanie0
- Interactor
- R. solaniRhizoctonia solanie0pathogen
- Outcome
- egg hatchinge0
- Direction
- did not differe0
- Comparator
- not infectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exudates from cotton seedling roots not infected or infected with R. solani did not differ in their effect on egg hatching.”
Claim · model-written summary
Rhizoctonia solani increased cotton seedling infection by reniform nematode females.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- presence of R. solanie0
- Interactor
- reniform femalese0pathogen
- Second interactor
- R. solaniRhizoctonia solanie0pathogen
- Outcome
- infection of cotton seedlings by reniform femalese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“infection of cotton seedlings by reniform females was increased in the presence of R. solani”
Claim · model-written summary
The fungal presence augmented nematode egg production and juvenile soil population densities.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- R. solanie0
- Interactor
- reniform femalese0pathogen
- Second interactor
- R. solaniRhizoctonia solanie0pathogen
- Outcome
- egg production and juvenile population densities in soile0
- Direction
- augmentede0
- Setting
- greenhouse studiese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, infection of cotton seedlings by reniform females was increased in the presence of R. solani, resulting in the augmented egg production and juvenile population densities in soil observed in greenhouse studies.”
The same questions in other papers
Rhizoctonia solani · organism · Gossypium hirsutum (cotton)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
Rhizoctonia solani · pest · Gossypium hirsutum (cotton)Results agree
1 paper in the same direction as this paper
- negative
infection · pest · Gossypium hirsutum (cotton)Positive and negative results
2 reporting no difference from an alternative
- positive
- positive
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.