Post-Bloom CPPU Application Is Effective at Improving Fruit Set and Suppressing Coloration but Ineffective at Increasing Fruit Size in Litchi

نویسندگان

چکیده

This study aimed to provide a reference for the practical use of forchlorfenuron (CPPU) in improvement fruit set and quality (especially size) litchi (Litchi chinensis Sonn.). CPPU at 5 mg/L was sprayed clusters ‘Feizixiao’ 2, 4, 6 8 weeks after female bloom (WAFB) 2017 6, 8, 9 or 10 WAFB 2018, with spraying water as control. The treatments were all effective suppressing abscission, resulting higher retention harvest. Except treatment 2 WAFB, which caused stunted significantly reduced weight, had no significant influence on weight flesh (aril) although tended increase pericarp strongly suppressed coloration, such effects most WAFB. Content total soluble solids (TSS) commercially ripe (11WAFB) not influenced by applied any stages. Ripe continued gain redness but lost TSS it became overripe. gaining, effect being stronger later application. did loss, membrane leakage. In residue decreased sharply time relatively constant aril, where maintained lower than μg/kg, maximal limitation Australia United States. results suggest that is improving pigmentation has size accumulation maintenance litchi.

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ژورنال

عنوان ژورنال: Horticulturae

سال: 2022

ISSN: ['2311-7524']

DOI: https://doi.org/10.3390/horticulturae8121096