The differences of biomass, growth rhythm and phenophase among 12 provenance seeds at the seedling stage were evaluated.

对牧豆苗期量（地径、苗）、节律进行观测，并分析各种源之间的差异。

GGR can promote the development of cotton roots like rhizogenic powder.It can also help seedling height, the number of lateral roots, root dry weight, boll weight and boll number per plant.

双吉尔(GGR)象根粉一样都能促进棉花根的发育，对增加苗、侧根数、根干重、铃重、单株结铃数均有一定的促进作用。