|Table of Contents|

Effects of Xenia on the Activities of Key Enzymes in Anthocyanin Synthesis of Blueberry Fruit

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年16
Page:
15-21
Research Field:
Publishing date:

Info

Title:
Effects of Xenia on the Activities of Key Enzymes in Anthocyanin Synthesis of Blueberry Fruit
Author(s):
YANG Qin1; 2; DENG Jie1; 2; ZHANG Tingting1; 2; LIU Yalan1; 2; PENG Shu1; 2; FU Yan3
(1.College of Life and Health Science，Kaili University，Kaili，Guizhou 556000；2.Key Laboratory of Molecular Breeding and Variety Creation of Horticultural Plants for Mountain Features in Guizhou Province，Kaili，Guizhou 556000；3.Qiandongnan Vocational and Technical College，Kaili，Guizhou 556000)
Keywords:
xenia; blueberries; anthocyanin; pollination; enzyme activity
PACS:
S 663.9
DOI:
10.11937/bfyy.20240606
Abstract:
The fruits of the rabbiteye blueberry cultivar ‘Premier’ 40-90 days after self-pollination and cross-pollination were used as experimental materials.The anthocyanin content and the activities of anthocyanin synthase (ANS)，anthocyanin reductase (ANR) and leucoanthocyanidin reductase (LAR) in the fruit were measured every 10 days,the effects of xenia on the cotent of anthocyanins and activities of key enzymes were studied，in order to provide reference for clarifying the effects of xenia on the biosynthesis of anthocyanins in blueberry fruits.The results showed that the xenia was significant which the pollen of different genotypes had significant effects on anthocyanin accumulation in blueberry fruits，and the anthocyanin content in cross-pollinated fruits was significantly higher than that in self-pollinated fruit.At the same time，pollen of different genotypes had significant effects on the activities of ANS，ANR and LAR in late fruit development.At 40-90 days after pollination，the ANS activities in cross-pollinated fruits were significantly higher than those in self-pollinated fruits，while at 70-90 days after pollination，the ANR and LAR activities in self-pollinated fruits were significantly higher than those in cross-pollinated fruits.Correlation analysis showed that the xenia effect on anthocyanin accumulation in blueberry fruit was positively correlated with ANS activity，and negatively correlated with ANR and LAR activity，the correlation coefficients were 0.976,-0.847 and -0.887，respectively.The 60-90 days after pollination was the key period for the influence of pollen genotypes on anthocyanin synthesis in blueberry fruits.

References:

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Last Update: 2024-09-04