Generative propagation of Robinia x ambigua POIR.-Pink locust.

The genus Robinia is as mall group of about 10 species of trees and shrubs indigenous only to North America. Two species are endemic to Mexico, one being confined to south-western part of the country, while the rest are endemic to the south-eastern part of USA. Of the mostimportant species and varieties of genus Robinia, Robinia x ambigua Poir.(Robinia viscosa x R. pseudo-acacia)-pink locust can be considered asthe most significant one for bee-forage and decorative planting. In this paper a generative propagation method is presented for pink locust.