B9又名阿拉,它的化学名称叫N-二甲基胺琥珀酰胺,是一种生长抑制剂,在一定浓度下,有延缓或促进植物生长的作用.我们用三种浓度分别把茶树插穗基部浸入溶液中半小时,用不处理的插穗作对照,插入苗圃中,管理和一般大田生产相同,经12个月后,取样分析茶苗的根(重量、长度、数目)、茎(重量、高度、芽数)、叶(重 B9, also known as Allah, its chemical name is N-dimethyl amine succinamide, is a growth inhibitor, at a certain concentration, there is a delay or promote plant growth .We use three concentrations of the tea cuttings base Immersed in the solution for half an hour, with untreated cuttings as a control, inserted nursery, management and general field production the same, after 12 months, sampling the root of tea seedlings (weight, length, number), stem , Bud number), leaf (weight