Abstract
BACKGROUND: The lack of reliable prediction tools for evaluation of the level and specificity of compost suppressiveness limits its application. In our study, different chemical, biological and microbiological parameters were used to evaluate their potential use as a predictor parameter for the suppressive effect of composts against Fusarium oxysporum f. sp. melonis (FOM) and Phytophthora capsici (P. capsici) in muskmelon and pepper seedlings respectively. Composts were obtained from artichoke sludge, chopped vineyard pruning waste and various agro-industrial wastes (C1: blanched artichokes; C2: garlic waste; C3: dry olive cake). RESULTS: Compost C3 proved to offer the highest level of resistance against FOM, and compost C2 the highest level of resistance against P. capsici. Analysis of phospholipid fatty acids isolated from compost revealed that the three composts showed different microbial community structures. Protease, NAGase and chitinase activities were significantly higher in compost C3, as was dehydrogenase activity in compost C2. CONCLUSION: The use of specific parameters such as general (dehydrogenase activity) and specific enzymatic activities (protease, NAGase and chitinase activities) may be useful to predict compost suppressiveness against both pathogens. The selection of raw materials for agro-industrial composts is important in controlling Fusarium wilt and Phytophthora root rot.
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Claims 7
Claim · model-written summary
Compost C3 gave the highest resistance against Fusarium oxysporum f. sp. melonis in muskmelon seedlings.
- Taxon
- muskmelon
.jpg?width=60)
Cucumis meloe1 - Treatment
- Compost C3e0
- Interactor
- FOMe0pathogen
- Outcome
- resistance against FOMe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Compost C3 proved to offer the highest level of resistance against FOM”
e1“Fusarium oxysporum f. sp. melonis (FOM) and Phytophthora capsici (P. capsici) in muskmelon and pepper seedlings respectively”
Claim · model-written summary
Compost C2 gave the highest resistance against Phytophthora capsici in pepper seedlings.
- Taxon
- peppere1
- Treatment
- compost C2e0
- Interactor
- P. capsici
.jpg?width=60)
Phytophthora capsicie0pathogen - Outcome
- resistance against P. capsicie0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“compost C2 the highest level of resistance against P. capsici”
e1“Phytophthora capsici (P. capsici) in muskmelon and pepper seedlings respectively”
Claim · model-written summary
The three composts had different microbial community structures.
Verbatim
e0“the three composts showed different microbial community structures”
t0“muskmelon and pepper seedlings”
Claim · model-written summary
Protease, NAGase, and chitinase activities were significantly higher in compost C3.
Verbatim
e0“Protease, NAGase and chitinase activities were significantly higher in compost C3”
t0“muskmelon and pepper seedlings”
Claim · model-written summary
Dehydrogenase activity was significantly higher in compost C2.
Verbatim
e0“as was dehydrogenase activity in compost C2”
e1“Protease, NAGase and chitinase activities were significantly higher in compost C3”
t0“muskmelon and pepper seedlings”
Claim · model-written summary
The authors suggest enzyme activities as predictors of compost suppression against both pathogens.
Verbatim
e0“general (dehydrogenase activity) and specific enzymatic activities (protease, NAGase and chitinase activities) may be useful to predict compost suppressiveness against both pathogens”
t0“muskmelon and pepper seedlings”
Claim · model-written summary
Selecting agro-industrial compost raw materials is important for controlling Fusarium wilt and Phytophthora root rot.
Verbatim
e0“The selection of raw materials for agro-industrial composts is important in controlling Fusarium wilt and Phytophthora root rot”
t0“muskmelon and pepper seedlings”
The same questions in other papers
fertilization · disease · Cucumis melo (muskmelon)Positive and negative results
4 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- no effect
- 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.