植物生长调节剂对百日草生长及开花的影响  

Effects of Different Plant Growth Regulators on Growth and Florescence of Zinnia elegans

作　　者：孙晨 王克凤 董然[1] 钱英 孙晓丹 李春鹏 SUN Chen;WANG Ke-feng;DONG Ran;QIAN Ying;SUN Xiao-dan;LI Chun-peng(College of Horticulture,Jilin Agricultural University,Changchun 130118,China;Changchun Sci-Tech University,Changchun 130600,China)

机构地区：[1]吉林农业大学园艺学院,长春130118 [2]长春科技学院,长春130600

出　　处：《湖北农业科学》2018年第4期75-78,共4页Hubei Agricultural Sciences

摘　　要：以百日草(Zinnia elegans Jacq.)为试材,采用不同浓度的赤霉素(GA3)、油菜素内酯(BR)和不同稀释倍数的的花粉酵素对百日草进行2次全株喷施处理,探讨对百日草花期及开花质量的影响。结果表明,在一定范围内喷施赤霉素可使百日草开花提前、延长花期,而喷施油菜素内酯、花粉酵素可不同程度地推迟百日草开花;三者均可促进花径、叶面积、株高、单株花朵数的增加,提高百日草的观赏价值。综合考虑,3种植物生长调节剂中以0.02 mg/L的油菜素内酯喷施处理的效果最好;其次是花粉酵素800倍稀释液处理;赤霉素喷施浓度以100 mg/L为宜。Using Zinnia elegans Jacq.as experimental material,the effects of spraying different concentration of gibberellins(GA3),brassinosteroid(BR)and different dilution multiples of pollen ferment for two times on the florescence and flower quality of Z.elegans were studied.The result showed that spraying GA3can advance the florescence of Z.elegans,extend the flowering period;spraying BR and pollen ferment within a certain range can delay the florescence of Z.elegans.All three growth regulators can increase the number of flower diameter,leaf area,height and flower number of single plant and raise ornamental values of Z.elegans.According to overall consideration of multiple factors,of three plant growth regulators,the treatment with0.02mg/L of brassinosteroid was the best,followed by800times dilution of pollen enzyme;while the concentration of gibberellin might be appropriate at100mg/L.

关 键 词：百日草(Zinnia ELEGANS Jacq.) 植物生长调节剂 花期 开花质量 

分 类 号：S681.9[农业科学—观赏园艺] S482.8[农业科学—园艺学]