Effects of forchlorfenuron on flesh texture of watermelon fruit in differ-ent genotypes
The objective of this study was to investigate the impact of forchlorfenuron(CPPU)assisted pollination on the texture of watermelon flesh.Four genotypes of watermelon variety were assisted pollinated with 100 mg·L-1 of CPPU.The effects of CPPU-assisted pollination on flesh texture(hardness,fracturability,gelatinousness,chewability)and cell wall polysaccharide substance content(crude fibre,cellulose,hemicellulose,lignin,protopectin,soluble pectin)were in-vestigated through the application of correlation analysis.The results indicate that there are significant difference in the texture of watermelon flesh among different genotypes.Moreover,the effect of CPPU treatment on the texture of water-melon flesh is closely related to the genotype of the variety.The analysis of the difference in flesh texture revealed that the four TPA indicators of hardness,fracturability,stickiness and chewiness were all enhanced following CPPU treatment in comparison to that of artificial pollination.Moreover,the difference was statistically significant among the treatments for the crispy genotypes.However,no significant difference was observed among the treatments for the hard and crunchy genotypes.The analysis of cell wall polysaccharide substances demonstrated that the CPPU treatment resulted in an in-crease in the crude fibre and cellulose content of the crunchy genotypes,while the opposite trend was observed in the crispy genotypes.Additionally,the CPPU treatment resulted in a reduction in watermelon flesh protopectin content and an increase in soluble pectin content.Correlation analyses demonstrated that the texture of the watermelon flesh of the crisp genotypes was more susceptible to the effects of the CPPU treatment.The findings of this study provide reference for the potential application of CPPU in watermelon production.
万方数据
维普
