Furthermore, the results from this study
showed that the biological control activity of R. mucilaginosa
against natural decay of strawberries was greatly enhanced by PA
compared with R. mucilaginosa used alone at 4 C for 20 d followed
by 20 C for 5 d. In the experiments of effects of R. mucilaginosa in
combination with PA (4 mmol/ml) on postharvest quality parameters of strawberries, no impaired quality parameters including
weight loss, fruit firmness, titratable acidity, browning potential
and ascorbic acid were discovered in the fruits under commercial
conditions (our unpublished data). R. mucilaginosa works as
a nutrient competitor, may consume sugar in the face of strawberry
fruit, however, no matter it was used only or combined with PA at
the concentration of 4 mmol/ml, did not decrease total soluble solids
(which composed mainly of soluble sugar) of strawberry fruit (our
unpublished data). Since that PA has no risks to humans and to the
environment, and that PA is a cheap and widely available natural
component, the utilization of PA might be an effective, safe and
economic approach to enhance the biocontrol efficacy of
R. mucilaginosa to postharvest decay of strawberries.
Furthermore, the results from this studyshowed that the biological control activity of R. mucilaginosaagainst natural decay of strawberries was greatly enhanced by PAcompared with R. mucilaginosa used alone at 4 C for 20 d followedby 20 C for 5 d. In the experiments of effects of R. mucilaginosa incombination with PA (4 mmol/ml) on postharvest quality parameters of strawberries, no impaired quality parameters includingweight loss, fruit firmness, titratable acidity, browning potentialand ascorbic acid were discovered in the fruits under commercialconditions (our unpublished data). R. mucilaginosa works asa nutrient competitor, may consume sugar in the face of strawberryfruit, however, no matter it was used only or combined with PA atthe concentration of 4 mmol/ml, did not decrease total soluble solids(which composed mainly of soluble sugar) of strawberry fruit (ourunpublished data). Since that PA has no risks to humans and to theenvironment, and that PA is a cheap and widely available naturalcomponent, the utilization of PA might be an effective, safe andeconomic approach to enhance the biocontrol efficacy ofR. mucilaginosa to postharvest decay of strawberries.
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