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，并分析各种的异。

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.

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