Studies in regulation of life-cycle and high degree efficiency of flower production in showy lily

用低温和植物激素处理了秀莲球茎，测定了其休眠强度和花的品质。经过80天的冷却，球茎的休眠状态被打破。GA3诱导休眠打破，BA处理的花数增加。GA+BA处理对芽断和花数也有积极的影响。在冷却处理期间，测定了球茎中ABA、GA和可溶性糖的含量。从休眠状态中释放后，鳞茎中ABA含量下降，GA含量增加。可溶性糖含量在打破休眠后也立即增加。这些结果表明，GA和ABA水平与百合球茎的休眠有关。细胞分裂素还能诱导百合花芽发育。GA+BA处理可以控制休眠、开花和提高花的品质。

Bulbs of showy lily (Lilium Speciocum) was treated with chilling and plant hormones, then intensity of dormancy and quality of flowers were determined. Dormancy of the bulbs were broken by 80 days of chilling. GA3 induced breaking of dormancy while number of flowers increased by BA treatment. GA+BA treatment also showed positive effects for bud break and number of flowers.ABA,GA and soluble sugar contents were checked in the bulbs during chilling treatment. Decline of ABA and increase of GA were detected in the bulbs when they were released from dormancy. Soluble sugar content also increased immediately after breaking dormancy.These results indicated that levels of GA and ABA were connected with dormancy of Lily bulbs. It was also indicated cytokinin induced flower bud development in Lily. Controls of dormancy, flowering and increasing of flower qualities may be performed by GA+BA treatment.