boll

1.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)象生根粉样都促进根系的发育，对增加苗高、侧根数、根干重、铃重、单株结铃数均有的促进作用。