Abstract
Botryosphaeria dothidea is the source of the deadly kiwifruit disease known as soft rot. In order to explore the role of melatonin in regulating the postharvest quality and disease resistance of kiwifruit at different growth and development stages, in this study, we applied melatonin at different concentrations to kiwifruit at the young fruit, expansion, and late expansion stages to assess its effect on fruit resistance to B. dothidea, minimize soft rot, and maintain postharvest fruit quality. The results showed that melatonin significantly suppressed the mycelial growth of B. dothidea, with 1.0 mmol/L melatonin inhibiting it by up to 50%. However, 0.1–0.3 mmol/L melatonin had the best control over soft rot. Furthermore, spraying MT during kiwifruit growth can successfully increase fruit weight; preserve postharvest fruit firmness; reduce respiration intensity in the early stages of storage; delay the rise in soluble solids, while maintaining a high titratable acid content to ensure suitable solid acid ratio; increase total phenol, flavonoid, chlorophyll, carotenoid, and ascorbic acid contents; and delay the rise in soluble sugar contents in the late stages of storage. These results have a positive effect on maintaining the nutritional composition of kiwifruit. However, the effects on weight loss, dry matter content, and soluble protein content were not significant. In addition, the results of the principal component analysis demonstrated that 0.3 mmol/L MT increased kiwifruit’s resistance to soft rot while preserving postharvest fruit quality.
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Claims 13
Claim · model-written summary
Melatonin at 1.0 mmol/L suppressed mycelial growth of Botryosphaeria dothidea by up to 50%.
- Taxon
- kiwifruit
Actinidia deliciosae0 - Treatment
- 1.0 mmol/L melatonine1
- Interactor
- B. dothidea
_Cesati_%26_DeNotaris_661320.jpg?width=60)
Botryosphaeria dothideae1pathogen - Outcome
- mycelial growth of B. dothideae1
- Direction
- suppressede1
- Value
- up to 50%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Cesati_%26_DeNotaris_661320.jpg?width=500)
Verbatim
e0“Botryosphaeria dothidea is the source of the deadly kiwifruit disease known as soft rot”
e1“melatonin significantly suppressed the mycelial growth of B. dothidea, with 1.0 mmol/L melatonin inhibiting it by up to 50%”
Claim · model-written summary
Melatonin at 0.1–0.3 mmol/L had the best control over kiwifruit soft rot.
- Taxon
- kiwifruitActinidia deliciosae0
- Treatment
- 0.1–0.3 mmol/L melatonine2
- Interactor
- Botryosphaeria dothideaBotryosphaeria dothideae0pathogen
- Outcome
- control over soft rote2
- Direction
- beste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Botryosphaeria dothidea is the source of the deadly kiwifruit disease known as soft rot”
e2“0.1–0.3 mmol/L melatonin had the best control over soft rot”
Claim · model-written summary
Spraying MT during kiwifruit growth increased fruit weight.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- fruit weighte3
- Direction
- increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
Claim · model-written summary
Spraying MT during kiwifruit growth preserved postharvest fruit firmness.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- postharvest fruit firmnesse4
- Direction
- preservee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e4“preserve postharvest fruit firmness”
Claim · model-written summary
Spraying MT during kiwifruit growth reduced respiration intensity in the early stages of storage.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- respiration intensitye5
- Direction
- reducee5
- Qualifier
- in the early stages of storagee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e5“reduce respiration intensity in the early stages of storage”
Claim · model-written summary
Spraying MT during kiwifruit growth delayed the rise in soluble solids.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- soluble solidse6
- Direction
- delay the risee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e6“delay the rise in soluble solids”
Claim · model-written summary
Spraying MT during kiwifruit growth maintained a high titratable acid content.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- titratable acid contente7
- Direction
- maintaining a highe7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e7“maintaining a high titratable acid content to ensure suitable solid acid ratio”
Claim · model-written summary
Spraying MT during kiwifruit growth increased total phenol, flavonoid and chlorophyll contents.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- total phenol, flavonoid, chlorophylle4
- Direction
- increasee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e4“increase total phenol, flavonoid, chlorophyll, carotenoid, and ascorbic acid contents”
Claim · model-written summary
Spraying MT during kiwifruit growth increased carotenoid and ascorbic acid contents.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- carotenoid, and ascorbic acid contentse4
- Direction
- increasee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e4“increase total phenol, flavonoid, chlorophyll, carotenoid, and ascorbic acid contents”
Claim · model-written summary
Spraying MT during kiwifruit growth delayed the rise in soluble sugar contents in the late stages of storage.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- soluble sugar contentse4
- Direction
- delay the risee4
- Qualifier
- in the late stages of storagee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e4“delay the rise in soluble sugar contents in the late stages of storage”
Claim · model-written summary
Spraying MT during kiwifruit growth had no significant effect on weight loss, dry matter content or soluble protein content.
- Taxon
- kiwifruitActinidia deliciosae3
- Treatment
- spraying MT during kiwifruit growthe3
- Outcome
- weight loss, dry matter content, and soluble protein contente4
- Direction
- not significante4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“spraying MT during kiwifruit growth can successfully increase fruit weight”
e4“the effects on weight loss, dry matter content, and soluble protein content were not significant”
Claim · model-written summary
0.3 mmol/L MT increased kiwifruit resistance to soft rot.
- Taxon
- kiwifruitActinidia deliciosae0
- Treatment
- 0.3 mmol/L MTe0
- Outcome
- resistance to soft rote0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0.3 mmol/L MT increased kiwifruit’s resistance to soft rot while preserving postharvest fruit quality”
Claim · model-written summary
0.3 mmol/L MT preserved postharvest kiwifruit quality.
- Taxon
- kiwifruitActinidia deliciosae0
- Treatment
- 0.3 mmol/L MTe0
- Outcome
- postharvest fruit qualitye0
- Direction
- preservinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0.3 mmol/L MT increased kiwifruit’s resistance to soft rot while preserving postharvest fruit quality”
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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.