Effects of Biological Organic Fertilizer on Quality of Citrus maxima‘Dongshizao’

doi:10.11924/j.issn.1000-6850.casb16120145

Abstract

Abstract: The aim is to evaluate the effect of bio-organic fertilizer on physical, chemical, and flavor quality of Citrus maxima‘Dongshizao’, and provide a reference for the application of bio-organic fertilizer toC. maxima ‘Dongshizao’in Ruili Dehong. The experiment was conducted with 11- year- old trees of C. maxima ‘Dongshizao’. The results showed that the application of bio-organic fertilizer 30 kg/plant had the best effect on physical quality (fruit weight, flesh weight, longitu dinal diameter and diameter), chemical quality (reducing sugar, total sugar, soluble solids and vitamin C content), and flavor quality. Compared with the application of bio- organic fertilizer 30 kg/plant, the application of 40 kg/plant decreased the fruit weight, significantly increased the titratable acid content, and decreased the comprehensive satisfaction score of sensory flavor evaluation. The correlation analysis showed that bio- organic fertilizer was significantly correlated with reducing sugar, total sugar, Vc and sensory flavor. The comprehensive satisfaction of sensory flavor was positively correlated with reducing sugar and total sugar, and negatively correlated with titratable acid. Comprehensively, the application of 30 kg/plant bio-organic fertilizer was more suitable for the quality ofC. maxima‘Dongshizao’.

CLC Number:

S666.3

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