摘要
将3年生‘大富贵’芍药于2003年11月5日用不同浓度的赤霉素(GA3)和生根粉(ABT)喷淋根部后上盆,置背阴处直至2004年2月5日移入温室促成栽培,于4月2~22日先后开花.调查结果表明,GA3与ABT组合处理,(1)明显促进花芽集中萌发,其中GA3 150 mg/L的处理萌发期仅2~3 d,而对照为8 d;(2)明显促进开花,使开花期比对照提前约10 d,但开花分散,群体花期比对照延长约1倍;(3)提高成花率20%以上,其中单纯用GA3 150 mg/L处理时成花率最高(93%),但花径、株高、叶幅等却下降,切花质量均不如其它处理;(4)ABT促进新根形成与生长,对提高切花质量有一定作用,其中ABT 100 mg/L+GA3 100 mg/L处理效果较好.
Three-year-old plants of Paeonia lactiflora ' Da Fugui' were potted after being sprayed with the different concentration combinations of gibberellin ( GA3 ) and rooting power (ABT) solution on Nov. 5 of 2003, kept in the shade until forced in a greenhouse on Feb. 5, 2004, and flowered during Apr. 2 -22. The results showed that the combination of GA3 and ABT ( 1 ) Promoted the sprouting of flower buds uniformly, of which 150 mg/L GA3 made the plants finishing sprouting in 2 -3 days that was much less than 8 days in the control; (2) Significantly promoted flowering that was earlier about 10 days than in the control, but inflorescence of the population was prolonged one-fold with dispersed flowering; (3) Flowering rate was increased 20% and the highest was 93% in the treatment using 150 mg/L GA3 alone, but the quality of cut-flower was totally better in 100 mg/L GA3 ; (4) ABT promoted new-root formation and growth and had a positive effect in improving cut-flower quality. The treatment of combinated 100 mg/L GA3 and 100 mg/L ABT had better comprehensive result for forcing culture.
出处
《园艺学报》
CAS
CSCD
北大核心
2005年第6期1129-1132,共4页
Acta Horticulturae Sinica
基金
国家‘十五’863计划项目(2002AA241041)
关键词
芍药
促成栽培
赤霉素
生根粉
Herbaceous peony
Paeonia lactiflora
Forcing culture
Gibberellin
Rooting powder