Horticultural Research Institute,Henan Academy of Agricultural Sciences,Zhengzhou 450002,China;
Key Laboratory of Plant Resources/Beijing Botanical Garden,Institute of Botany,The Chinese Academy of Sciences,Beijing 100093,China;
College of Forestry,Henan Agricultural University,Zhengzhou 450002,China;
Petunia; Anthocyanin; Transcription factor; Light quality; Transcriptome analysis;