pH和光照对盆栽多叶羽扇豆生长发育的影响  

Effects of pH and Illumination on the Growth and Development of Pot-Planted Lupinus polyphylla

作　　者：庞长民[1] 刘安成[1] 王庆[1] 杨玉秀[1] 田志平 李燕[1] 李莲梅[1] 

机构地区：[1]陕西省西安植物园,西安710061 [2]西安市花卉协会,西安710061

出　　处：《西南大学学报（自然科学版）》2008年第6期78-81,共4页Journal of Southwest University(Natural Science Edition)

基　　金：陕西省科学院社会发展研究计划资助项目(2005k-06);西安市科技局科技创新支撑计划资助项目(YF07132)

摘　　要：在不同pH的育苗基质、不同pH的水、不同光照条件下,对盆栽多叶羽扇豆生长发育的影响进行了研究.结果表明：育苗土pH超过7.11后,幼苗出现黄化并逐渐死亡;浇pH为7.8,6.5和5.5水的多叶羽扇豆都能开花,但浇pH为5.5的水开花率最高,浇pH为6.5的水初花期最早;13.5 h的长日照9 300-90 500 lx强光照利于盆栽多叶羽扇豆保持较矮而丰满的株型、增加花数、提高开花率并能促进早开花.Effects of different conditions of pH and illumination on the growth and development of Lupinus polyphylla in pot were studied in order that L. polyphylla can grow and bloom on May 1 in Xi＇an. The plants became yellow and died gradually when soil pH was higher than 7. 11. All plants bloomed when irrigated with water with a pH of 7. 8, 6. 5 or 5.5, but the rate of flowering was the highest in the treatment of pH 5.5 and the first day of flowering occurred in the treatment ofpH 6. 5. Long photoperiod （13.5 h） combined with a strong illumination （9 300-90 500 lx） gave better plant shape, greater flower number, higher bloom rate and earlier first day of flower.

关 键 词：多叶羽扇豆 PH 光照 

分 类 号：S682.1[农业科学—观赏园艺]