赤霉素(九二O)是一种高效能的植物生长激素,能促进细胞、茎的伸长,增加植株高度,能促进遗传矮化植株的生长,促进生理或病毒型矮化植株的生长;打破某些蔬菜的种子、块茎和鳞茎等器官休眠,提高发芽率,起低温春化和长日照作用,促进和诱导长日照蔬菜当年开花;促进蔬菜坐果、保果和 Gibberellin (Jiu-O) is a high-performance plant growth hormone, which can promote cell and stem elongation, increase plant height, promote the growth of genetic dwarf plants and promote the growth of physiological or viral dwarf plants ; Break some vegetables, seeds, tubers and bulbs and other organs dormancy, improve germination rate, play the role of low temperature vernalization and long sunshine, promote and induce the flowering of long-day vegetables; promote vegetable fruit set, fruit and