Abstract
AIMS: In this study, the potential of calcium chloride (CaCl(2)) application to improve the efficacy of the marine antagonist Rhodosporidium paludigenum in controlling postharvest diseases of cherry tomatoes was assessed. METHODS AND RESULTS: CaCl(2) alone was found not to have any direct influence on the population growth of R. paludigenum in NYDB cultures or in cherry tomato wounds. However, the combined treatments with 1 x 10(8) cells ml(-1)R. paludigenum and CaCl(2) at the concentration from 0.5 to 2% showed high activities to reduce black rot caused by Alternaria alternata in cherry tomato wounds, significantly higher than those of R. paludigenum or CaCl(2) alone. Meanwhile, 0.5% CaCl(2) in combination with 1 x 10(8) cells ml(-1)R. paludigenum greatly inhibited the natural decay of cherry tomatoes in 21 days' storage at 25 degrees C. CONCLUSIONS: The combination of R. paludigenum and CaCl(2) enhances the inhibition of black rot and natural decay of postharvest cherry tomatoes. The results from this study provide a new way to improve the efficiency of R. paludigenum in maintaining the quality of postharvest fruits and vegetables. SIGNIFICANCE AND IMPACT OF THE STUDY: The marine yeast R. paludigenum combined with CaCl(2) has greatly potential use as an alternative to chemical fungicides in inhibiting postharvest decay on cherry tomatoes.
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Claims 4
Claim · model-written summary
Calcium chloride did not directly alter R. paludigenum population growth in culture or cherry tomato wounds.
- Taxon
- cherry tomato
Solanum lycopersicum var. cerasiformee1 - Treatment
- CaCl(2)e1
- Interactor
- R. paludigenumRhodotorula paludigenae1biocontrol_agent
- Outcome
- population growth of R. paludigenume1
- Direction
- not to have any direct influencee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cherry tomatoes”
e1“CaCl(2) alone was found not to have any direct influence on the population growth of R. paludigenum in NYDB cultures or in cherry tomato wounds.”
Claim · model-written summary
R. paludigenum with 0.5 to 2% calcium chloride reduced Alternaria black rot more than either agent alone.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee0
- Treatment
- 1 x 10(8) cells ml(-1)R. paludigenum and CaCl(2) at the concentration from 0.5 to 2%e0
- Interactor
- Alternaria alternata
.jpg?width=60)
Alternaria alternatae0pathogen - Second interactor
- R. paludigenumRhodotorula paludigenae0biocontrol_agent
- Outcome
- black rot caused by Alternaria alternatae0
- Direction
- reducee0
- Comparator
- R. paludigenum or CaCl(2) alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“combined treatments with 1 x 10(8) cells ml(-1)R. paludigenum and CaCl(2) at the concentration from 0.5 to 2% showed high activities to reduce black rot caused by Alternaria alternata in cherry tomato wounds, significantly higher than those of R. paludigenum or CaCl(2) alone”
Claim · model-written summary
Combined 0.5% calcium chloride and R. paludigenum inhibited natural cherry tomato decay during 21 days at 25 degrees C.
- Taxon
- cherry tomatoesSolanum lycopersicum var. cerasiformee0
- Treatment
- 0.5% CaCl(2) in combination with 1 x 10(8) cells ml(-1)R. paludigenume0
- Interactor
- R. paludigenumRhodotorula paludigenae0biocontrol_agent
- Outcome
- natural decaye0
- Direction
- inhibitede0
- Qualifier
- 21 days' storage at 25 degrees Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0.5% CaCl(2) in combination with 1 x 10(8) cells ml(-1)R. paludigenum greatly inhibited the natural decay of cherry tomatoes in 21 days' storage at 25 degrees C”
Claim · model-written summary
The authors suggest the yeast and calcium chloride combination as an alternative to chemical fungicides for cherry tomato decay.
- Taxon
- cherry tomatoesSolanum lycopersicum var. cerasiformee0
- Treatment
- R. paludigenum combined with CaCl(2)e0
- Interactor
- R. paludigenumRhodotorula paludigenae0biocontrol_agent
- Outcome
- alternative to chemical fungicides in inhibiting postharvest decaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The marine yeast R. paludigenum combined with CaCl(2) has greatly potential use as an alternative to chemical fungicides in inhibiting postharvest decay on cherry tomatoes.”
The same questions in other papers
calcium dichloride · disease · Solanum lycopersicum (tomato)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.