GhGRP2 was expressed highly in 10 dpa(day post anthesis) ovule,whereas its transcripts were found at lower level in other tissues.

• GhGRP2在10dpa(day post anthesis)胚珠中表达最强；10dpa纤维和下胚轴次之；而在花药、根和花瓣中表达量相对较低.