【摘要】 以菊花优良品种冈玉为实验对象,分别用300mg/kg、600mg/kg、900mg/kg(毫克/公斤)浓度的植物调节剂(比久)溶液作叶面喷施,以清水为对照。结果表明:植物调节剂(比久)能使菊花株型矮化,根系发达,叶绿素含量提高,推迟花期,延长花时,增加花数,提高了菊花的观赏价值。更多还原

【Abstract】 New plant growth regulator,an improved varieity chrysanthemum,was sprayed on leaves,with dimethyamyno succimamic acid(Gang Yu)with several of concentrations,oppm(ck),300ppm,600ppm,and 900ppm,The results showed that dwart of short and development of root system were accelerated.The increase of chlorophyll content and of the number of flowers were achieved,the florescence was delayed,the flowering duration was prolonged,and ornamentation became better.更多还原