QTL dissection of floral traits in Streptocarpus (Gesneriaceae)

Flower shape and colour are key plant traits which are often strongly correlated with pollinator choice and reproductive isolation. To understand the genetic changes underlying variation in these traits, we performed the first QTL analyses of these traits in Streptocarpus (Gesneriaceae) using a segregating backcross (BC) population of (S. rexii × S. grandis) × S. grandis. Composite traits of floral dimensions were dissected into smallest...