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In the early spring of 2011 and 2012, severe necrotic leaf symptoms were observed on freesia (Freesia refracta, family Iridaceae) in several greenhouses around Plovdiv (south central Bulgaria). The disease spread and symptom severity in several cultivars (Medeo, Calvados, and Pink Fountain) led to
In order to investigate the virus infection rate of commercial freesia cultivars in early February 2013, 19 freesia cultivars showing necrotic purple speckles or streaks on leaves, purple streaks parallel to the midrib, and necrotic speckles on leaves were collected from three different regions
Anthocyanin biosynthesis is mainly controlled by MYB-bHLH-WD40 (MBW) complexes that modulate the expression of anthocyanin biosynthetic genes. The MYB regulators involved in anthocyanin biosynthesis arose early during plant evolution, and thus might function divergently in different evolutionary
The flavonoids are important and nourishing compounds for plants and human. The transcription regulation of anthocyanin and proanthocyanidin (PA) biosynthesis was extensively studied in dicot compared with monocot plants. In this study, we characterized the functionality of an R2R3-MYB gene