Abstract
Grafting eggplant (Solanum melongena L.) on tomato rootstock is an effective method to control Verticillium wilt (caused by Verticillium dahliae), a soil-borne disease. This study investigated the fruit quality and biological characteristics associated with disease resistance of eggplants grafted onto tomato rootstocks ‘Lydl’. The plant height, stem diameter, leaf area and root volume of grafted eggplant were higher than those of non-grafted eggplant. And the increase rates were up as the date prolonged. The root active-absorbing area, chlorophyll content and peroxidase (POX) and phenylalanine ammonialyase (PAL) activities of grafted eggplants were higher than those of non-grafted eggplants, while the comparative conductivity and the free proline content decreased by 42.42 and 44.08%. Obviously, grafting on tomato rootstock improved the growth and development of eggplant. The soluble sugar, vitamin C and protein content in fruit of grafted plants were not lower than those in non-grafted ones. Fruit qualities were not significantly affected by grafting. At the all three sampling stages, grafted plants showed higher amounts of bacteria and actinomyces, total microbial population, and the ratios of actinomyces to fungi (A/F), bacteria to fungi (B/F) and microbial biomass (MBC, MBN, MBP, MQ), but lower fungi population. The activities of urease and catalase in rhizosphere were enhanced by grafting. Grafting could modify the plant growth and microbial characteristics which may enhance the resistance to Verticillium wilt. Key words: Verticillium wilt, grafted eggplant, microbial property, microbial biomass.
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Claims 15
Claim · model-written summary
Grafted eggplant had greater height, stem diameter, and leaf area than ungrafted plants.
- Taxon
- eggplant
Solanum melongenae0 - Treatment
- grafted eggplante0
- Outcome
- plant height, stem diameter, leaf areae0
- Direction
- highere0
- Comparator
- non-grafted eggplante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plant height, stem diameter, leaf area and root volume of grafted eggplant were higher than those of non-grafted eggplant”
Claim · model-written summary
Grafted eggplant had greater root volume than ungrafted plants.
- Taxon
- eggplantSolanum melongenae0
- Treatment
- grafted eggplante0
- Outcome
- root volumee0
- Direction
- highere0
- Comparator
- non-grafted eggplante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root volume of grafted eggplant were higher than those of non-grafted eggplant”
Claim · model-written summary
The growth advantage of grafted eggplant increased over time.
Not reportedTaxon
Verbatim
e0“the increase rates were up as the date prolonged”
Claim · model-written summary
Grafted eggplant had higher root active absorbing area and chlorophyll content.
- Taxon
- eggplantsSolanum melongenae0
- Treatment
- grafted eggplantse0
- Outcome
- root active-absorbing area, chlorophyll contente0
- Direction
- highere0
- Comparator
- non-grafted eggplantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The root active-absorbing area, chlorophyll content and peroxidase (POX) and phenylalanine ammonialyase (PAL) activities of grafted eggplants were higher than those of non-grafted eggplants”
Claim · model-written summary
Grafted eggplant had higher POX and PAL activities.
- Taxon
- eggplantsSolanum melongenae0
- Treatment
- grafted eggplantse0
- Gene
- peroxidase (POX)e0
- Outcome
- peroxidase (POX) and phenylalanine ammonialyase (PAL) activitiese0
- Direction
- highere0
- Comparator
- non-grafted eggplantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“peroxidase (POX) and phenylalanine ammonialyase (PAL) activities of grafted eggplants were higher than those of non-grafted eggplants”
Claim · model-written summary
Grafting decreased comparative conductivity by 42.42%.
Not reportedTaxonTreatmentComparator
Verbatim
e0“the comparative conductivity and the free proline content decreased by 42.42 and 44.08%”
Claim · model-written summary
Grafting decreased free proline content by 44.08%.
Not reportedTaxonTreatmentComparator
Verbatim
e0“the free proline content decreased by 42.42 and 44.08%”
Claim · model-written summary
Fruit soluble sugar, vitamin C, and protein were not lower under grafting.
- Organ / stage
- fruite0
- Treatment
- grafted plantse0
- Outcome
- soluble sugar, vitamin C and protein contente0
- Direction
- not lowere0
- Comparator
- non-grafted onese0
Not reportedTaxon
Verbatim
e0“The soluble sugar, vitamin C and protein content in fruit of grafted plants were not lower than those in non-grafted ones”
Claim · model-written summary
Grafting did not significantly affect fruit quality.
Not reportedTaxonComparatorDirection
Verbatim
e0“Fruit qualities were not significantly affected by grafting”
Claim · model-written summary
Grafted plants had more rhizosphere bacteria, actinomyces, and total microbes.
- Treatment
- grafted plantse0
- Outcome
- bacteria and actinomyces, total microbial populatione0
- Direction
- highere0
Not reportedTaxonComparator
Verbatim
e0“grafted plants showed higher amounts of bacteria and actinomyces, total microbial population”
Claim · model-written summary
Grafted plants had higher actinomyces-to-fungi and bacteria-to-fungi ratios.
Not reportedTaxonTreatmentComparatorQualifier
Verbatim
e0“grafted plants showed higher amounts of bacteria and actinomyces, total microbial population, and the ratios of actinomyces to fungi (A/F), bacteria to fungi (B/F)”
Claim · model-written summary
Grafted plants had higher microbial biomass.
Not reportedTaxonTreatmentComparator
Verbatim
e0“grafted plants showed higher amounts of bacteria and actinomyces, total microbial population, and the ratios of actinomyces to fungi (A/F), bacteria to fungi (B/F) and microbial biomass (MBC, MBN, MBP, MQ)”
Claim · model-written summary
Grafted plants had lower fungal populations.
Not reportedTaxonTreatmentComparator
Verbatim
e0“but lower fungi population”
Claim · model-written summary
Grafting enhanced rhizosphere urease and catalase activities.
Not reportedTaxonComparator
Verbatim
e0“The activities of urease and catalase in rhizosphere were enhanced by grafting”
Claim · model-written summary
Authors suggest altered growth and microbial traits may strengthen Verticillium wilt resistance.
- Treatment
- Graftinge0
- Interactor
- VerticilliumVerticilliume0pathogen
- Outcome
- resistance to Verticillium wilte0
- Qualifier
- maye0
Not reportedTaxon
Verbatim
e0“Grafting could modify the plant growth and microbial characteristics which may enhance the resistance to Verticillium wilt”
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