Abstract
Waterlogging stress caused by concentrated and heavy rainfall has become an increasingly popular abiotic stress, especially for tomato production. The aim is to clarify the leaf physiological and biochemical responses as well as flower and fruit set of tomato plants at reproductive stage under waterlogging stress. Six tomato genotypes including 'MIX-002', 'LA4440', 'Fenbeibei', 'Hezuo 908', 'Jinzhu' and 'Ruifen 882' at anthesis stage were treated under control and waterlogging stress. We found that plant height, stem diameter, inflorescences number, single fruit weight and fruit weight per plant of all the six tomato genotypes significantly decreased under waterlogging stress as compared with the control. Chlorophyll a content of 'MIX-002', 'LA4440' and 'Jinzhu' and total chlorophyll content of 'MIX-002', 'LA4440' and 'Ruifen 882' were significantly lower under waterlogging conditions than the control. Waterlogging stress induced low net photosynthetic rate of 'MIX-002' and decreased transpiration rate of six genotypes except 'Fenbeibei'. Antioxidant enzymes activity and proline content responded to waterlogging stress by up/down regulation, resulting in high malondialdehyde and H2O2 content in leaves of six genotypes. Overall, waterlogging stress caused low gas diffusion, negatively affected pigment content, decreased transpiration rate, and induced antioxidant system disorder in tomato plants at anthesis stage. These adverse effects contributed to few buds and flowers and finally resulted in yield loss of tomato plants under waterlogging conditions. The significant correlation between malondialdehyde and H2O2 content and tomato yield indicated that the malondialdehyde and H2O2 content in leaves could be applied to predict the tomato yield under waterlogging condition.
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Claims 18
Claim · model-written summary
Waterlogging significantly reduced height and stem diameter in six tomato genotypes.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- waterlogging stresse0
- Outcome
- plant height, stem diametere0
- Direction
- decreasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height, stem diameter, inflorescences number, single fruit weight and fruit weight per plant of all the six tomato genotypes significantly decreased under waterlogging stress as compared with the control”
Claim · model-written summary
Waterlogging significantly reduced inflorescence number in six genotypes.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- waterlogging stresse0
- Outcome
- inflorescences numbere0
- Direction
- decreasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height, stem diameter, inflorescences number, single fruit weight and fruit weight per plant of all the six tomato genotypes significantly decreased under waterlogging stress as compared with the control”
Claim · model-written summary
Waterlogging significantly reduced single fruit weight in six genotypes.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- waterlogging stresse0
- Outcome
- single fruit weighte0
- Direction
- decreasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“single fruit weight and fruit weight per plant of all the six tomato genotypes significantly decreased under waterlogging stress as compared with the control”
Claim · model-written summary
Waterlogging significantly reduced fruit weight per plant in six genotypes.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- waterlogging stresse0
- Outcome
- fruit weight per plante0
- Direction
- decreasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“single fruit weight and fruit weight per plant of all the six tomato genotypes significantly decreased under waterlogging stress as compared with the control”
Claim · model-written summary
Chlorophyll a declined in MIX-002, LA4440 and Jinzhu under waterlogging.
- Material
- 'MIX-002', 'LA4440' and 'Jinzhu'e0
- Treatment
- waterlogging conditionse0
- Outcome
- Chlorophyll a contente0
- Direction
- lowere0
- Comparator
- the controle0
Not reportedTaxon
Verbatim
e0“Chlorophyll a content of 'MIX-002', 'LA4440' and 'Jinzhu' and total chlorophyll content of 'MIX-002', 'LA4440' and 'Ruifen 882' were significantly lower under waterlogging conditions than the control”
Claim · model-written summary
Total chlorophyll declined in MIX-002, LA4440 and Ruifen 882 under waterlogging.
- Material
- 'MIX-002', 'LA4440' and 'Ruifen 882'e0
- Treatment
- waterlogging conditionse0
- Outcome
- total chlorophyll contente0
- Direction
- lowere0
- Comparator
- the controle0
Not reportedTaxon
Verbatim
e0“Chlorophyll a content of 'MIX-002', 'LA4440' and 'Jinzhu' and total chlorophyll content of 'MIX-002', 'LA4440' and 'Ruifen 882' were significantly lower under waterlogging conditions than the control”
Claim · model-written summary
Waterlogging reduced net photosynthetic rate in MIX-002.
Not reportedTaxonComparator
Verbatim
e0“Waterlogging stress induced low net photosynthetic rate of 'MIX-002' and decreased transpiration rate of six genotypes except 'Fenbeibei'”
Claim · model-written summary
Waterlogging decreased transpiration in five genotypes other than Fenbeibei.
- Treatment
- Waterlogging stresse0
- Outcome
- transpiration ratee0
- Direction
- decreasede0
- Qualifier
- except 'Fenbeibei'e0
Not reportedTaxonComparator
Verbatim
e0“Waterlogging stress induced low net photosynthetic rate of 'MIX-002' and decreased transpiration rate of six genotypes except 'Fenbeibei'”
Claim · model-written summary
Antioxidant enzyme activity changed up or down under waterlogging.
Not reportedTaxonComparator
Verbatim
e0“Antioxidant enzymes activity and proline content responded to waterlogging stress by up/down regulation, resulting in high malondialdehyde and H2O2 content in leaves of six genotypes”
Claim · model-written summary
Proline content changed up or down under waterlogging.
Not reportedTaxonComparator
Verbatim
e0“Antioxidant enzymes activity and proline content responded to waterlogging stress by up/down regulation, resulting in high malondialdehyde and H2O2 content in leaves of six genotypes”
Claim · model-written summary
Leaf malondialdehyde and H2O2 content were high under waterlogging.
Not reportedTaxonTreatmentComparator
Verbatim
e0“resulting in high malondialdehyde and H2O2 content in leaves of six genotypes”
Claim · model-written summary
Waterlogging caused low gas diffusion and pigment content.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- waterlogging stresse0
- Outcome
- gas diffusione0
- Direction
- lowe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waterlogging stress caused low gas diffusion, negatively affected pigment content, decreased transpiration rate, and induced antioxidant system disorder in tomato plants at anthesis stage”
Claim · model-written summary
Waterlogging adversely affected pigment content.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- waterlogging stresse0
- Outcome
- pigment contente0
- Direction
- negatively affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waterlogging stress caused low gas diffusion, negatively affected pigment content, decreased transpiration rate, and induced antioxidant system disorder in tomato plants at anthesis stage”
Claim · model-written summary
Waterlogging induced antioxidant system disorder.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- waterlogging stresse0
- Outcome
- antioxidant system disordere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“waterlogging stress caused low gas diffusion, negatively affected pigment content, decreased transpiration rate, and induced antioxidant system disorder in tomato plants at anthesis stage”
Claim · model-written summary
Adverse waterlogging responses reduced buds and flowers.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- few buds and flowerse0
- Qualifier
- These adverse effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These adverse effects contributed to few buds and flowers and finally resulted in yield loss of tomato plants under waterlogging conditions”
Claim · model-written summary
Adverse waterlogging responses caused tomato yield loss.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- yield losse0
- Qualifier
- These adverse effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These adverse effects contributed to few buds and flowers and finally resulted in yield loss of tomato plants under waterlogging conditions”
Claim · model-written summary
Leaf malondialdehyde and H2O2 content correlated significantly with tomato yield.
- Taxon
- tomatoSolanum lycopersicume0
- Compound
- malondialdehyde and H2O2e0
- Outcome
- tomato yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The significant correlation between malondialdehyde and H2O2 content and tomato yield”
Claim · model-written summary
The authors propose leaf malondialdehyde and H2O2 as predictors of tomato yield under waterlogging.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- predict the tomato yield under waterlogging conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“malondialdehyde and H2O2 content in leaves could be applied to predict the tomato yield under waterlogging condition”
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