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

对牧豆苗期生长量（地径、苗高）、生长节律进行观测，并种源之间差异。

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)象生根粉样都能促进棉花根发育，对增加苗高、侧根数、根干重、铃重、单株结铃数均有促进作用。