Morning Glories: 219 genes make the difference, 1 by dany12

dany12 wrote:
The difficulty with roses is that they are tetraploid so there are 4 versions of each gene and when it introduces a single "blue" gene, he is quickly minority and can not do all the job.

Following the introduction of the blue gene from pansy (Agent: delphinidin)it gives a blue purple flower whose color paling with time and the acidity cell converts blue to purple.
As is the case with MG when the flowers getting older in the day.