Abstract
ABSTRACT Fusarium wilts are economically important diseases for which there are no effective chemical control measures. However, biological control and fertility management are becoming efficient alternatives for controlling this disease. Growth media formulated with composts that are able to suppress Fusarium wilt of tomato provide a control system that integrates both strategies. The aim of this study was to predict Fusarium wilt suppression of growth media using abiotic and biotic variables. Grape marc compost was the most effective medium used to suppress Fusarium wilt. Cork compost was intermediate, and light peat and expanded vermiculite were the most conducive growth media. The growth media evaluated were in a pH range of 6.26 to 7.97. Both composts had high beta-glucosidase activity. When pH and beta-glucosidase activity were taken into account as predictive variables, more than 91% of the variation in severity of Fusarium wilt was explained. This relationship illustrates the effect of nutrient availability and the degree of microbiostasis, two key factors in this pathosystem. Microbial populations involved in suppressiveness were cellulolytic and oligotrophic actinomycetes, fungi, and the ratios cellulolytic actinomycetes/cellulolytic bacteria, oligotrophic bacteria/copiotrophic bacteria, and oligotrophic actinomycetes/oligotrophic bacteria. Based on community level physiological profiles, different community structures were evident among growth media evaluated.
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Claims 10
Claim · model-written summary
Grape marc compost was the most effective growth medium for suppressing Fusarium wilt of tomato.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- Grape marc composte1
- Outcome
- Fusarium wilte1
- Direction
- most effectivee1
FusariumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e1“Grape marc compost was the most effective medium used to suppress Fusarium wilt”
Claim · model-written summary
Cork compost gave intermediate suppression of Fusarium wilt of tomato.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Cork composte2
- Outcome
- Fusarium wilte1
- Direction
- intermediatee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e1“Grape marc compost was the most effective medium used to suppress Fusarium wilt”
e2“Cork compost was intermediate, and light peat and expanded vermiculite were the most conducive growth media”
Claim · model-written summary
Light peat and expanded vermiculite were the most conducive growth media for Fusarium wilt of tomato.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- light peat and expanded vermiculitee2
- Outcome
- Fusarium wilte1
- Direction
- most conducivee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e1“Grape marc compost was the most effective medium used to suppress Fusarium wilt”
e2“Cork compost was intermediate, and light peat and expanded vermiculite were the most conducive growth media”
Claim · model-written summary
The growth media evaluated had a pH range of 6.26 to 7.97.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- pHe3
- Value
- 6.26 to 7.97e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e3“The growth media evaluated were in a pH range of 6.26 to 7.97”
Claim · model-written summary
Both composts had high beta-glucosidase activity.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- compostse4
- Outcome
- beta-glucosidase activitye4
- Direction
- highe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e4“Both composts had high beta-glucosidase activity”
Claim · model-written summary
pH and beta-glucosidase activity as predictive variables explained more than 91% of the variation in severity of Fusarium wilt.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- variation in severity of Fusarium wilte5
- Value
- more than 91%e5
- Qualifier
- pH and beta-glucosidase activitye5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e5“When pH and beta-glucosidase activity were taken into account as predictive variables, more than 91% of the variation in severity of Fusarium wilt was explained”
Claim · model-written summary
Nutrient availability and the degree of microbiostasis are key factors in this tomato Fusarium wilt pathosystem.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- Fusarium wilte5
- Qualifier
- nutrient availability and the degree of microbiostasise6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e5“When pH and beta-glucosidase activity were taken into account as predictive variables, more than 91% of the variation in severity of Fusarium wilt was explained”
e6“This relationship illustrates the effect of nutrient availability and the degree of microbiostasis, two key factors in this pathosystem”
Claim · model-written summary
Cellulolytic and oligotrophic actinomycetes and fungi are microbial populations involved in suppressiveness.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- cellulolytic and oligotrophic actinomycetes, fungie7
- Qualifier
- involved in suppressivenesse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e7“Microbial populations involved in suppressiveness were cellulolytic and oligotrophic actinomycetes, fungi, and the ratios cellulolytic actinomycetes/cellulolytic bacteria, oligotrophic bacteria/copiotrophic bacteria, and oligotrophic actinomycetes/oligotrophic bacteria”
Claim · model-written summary
Ratios of cellulolytic actinomycetes to cellulolytic bacteria, oligotrophic bacteria to copiotrophic bacteria, and oligotrophic actinomycetes to oligotrophic bacteria were measured as suppressiveness-related microbial populations.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- ratios cellulolytic actinomycetes/cellulolytic bacteria, oligotrophic bacteria/copiotrophic bacteria, and oligotrophic actinomycetes/oligotrophic bacteriae7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e7“Microbial populations involved in suppressiveness were cellulolytic and oligotrophic actinomycetes, fungi, and the ratios cellulolytic actinomycetes/cellulolytic bacteria, oligotrophic bacteria/copiotrophic bacteria, and oligotrophic actinomycetes/oligotrophic bacteria”
Claim · model-written summary
Community structures differed among the growth media evaluated, based on community level physiological profiles.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- growth mediae7
- Outcome
- community structurese7
- Direction
- differente7
- Qualifier
- Based on community level physiological profilese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Suppression of Fusarium Wilt of Tomato”
e7“Based on community level physiological profiles, different community structures were evident among growth media evaluated”
The same questions in other papers
growing medium · Fusarium · Solanum lycopersicum (tomato)Positive and negative results
3 in the opposite direction
- positive
- positive
- positive
fertilization · Fusarium · Solanum lycopersicum (tomato)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 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.