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B_9(阿拉、Alar),化学名称叫N-二甲胺基琥珀酰胺酸,是一种无臭、无刺激性的植物生长调节剂,能抑制植物徒长,可使植株矮壮,增强耐寒抗旱能力,防止落花,促进结实。本试验通过探索B_9对薏苡某些性状影响的程度,来寻求施用B_9的最适浓度,达到提高薏苡产量的目的。材料与方法试验用硬壳薏苡种子播种。B_9系陕西风县20号信箱供销处提供。实验地点在农大药园内。设五个处理,B_9溶液用自来水配制,浓度分别为500、1000、1500、2000ppm,以自来
B_9 (Allah, Alar), the chemical name is N-dimethylamino succinamic acid, is a non-odor, non-irritant plant growth regulator, can inhibit the growth of plants, plants can be short and strong and enhance drought tolerance , Prevent falling, promote firm. This experiment by exploring the degree of B_9 on some properties of Job’s tears to seek the optimum concentration of B_9 to achieve the purpose of increasing the yield of Job’s tears. Materials and Methods Test Hard-shell Coix seed sowing. B_9 Shaanxi Fengxian No. 20 Box Supply and Marketing Office. Experimental sites in the Agricultural University Park. Set five treatment, B_9 solution was prepared with tap water at concentrations of 500,1000,1500,2000 ppm, respectively, to