CCC对大丽花表型和2种内源激素的影响

doi:10.11707/j.1001-7488.20120905

林业科学 ›› 2012, Vol. 48 ›› Issue (9): 30-35.doi: 10.11707/j.1001-7488.20120905

CCC对大丽花表型和2种内源激素的影响

甄红丽^1,2, 苑兆和¹, 冯立娟¹, 王晓慧^1,2, 丁雪梅^1,2, 韩玲玲^1,2, 杨尚尚^1,2

1. 山东省果树研究所泰安 271000;2. 山东农业大学林学院泰安 271018

收稿日期:2011-09-30 修回日期:2012-05-23 出版日期:2012-09-25 发布日期:2012-09-25
通讯作者: 苑兆和

Effects of CCC on the Phenotype Indices and Two Endogenous Hormones in Dahlia pinnata

Zhen Hongli^1,2, Yuan Zhaohe¹, Feng Lijuan¹, Wang Xiaohui^1,2, Ding Xuemei^1,2, Han Lingling^1,2, Yang Shangshang^1,2

1. Shandong Institute of Pomology Tai’an 271000;2. College of Forestry, Shandong Agricultural University Tai’an 271018

Received:2011-09-30 Revised:2012-05-23 Online:2012-09-25 Published:2012-09-25

摘要/Abstract

摘要：

以大丽花品种‘大金红’和‘陇上雄鹰’为试材,研究不同浓度矮壮素(CCC)对其表型性状和叶片内源激素IBA,IAA含量及相关酶活性的影响。结果表明: CCC处理条件下,大丽花株高明显矮化,茎粗增加,花径增大; 叶片内IAA含量先降后升,过氧化物酶(POD)和吲哚乙酸氧化酶(IAAO)活性均升高,IBA含量变化存在品种差异性。相关分析表明: 喷施CCC后,IBA含量变化与IAA,POD负相关,与IAAO相关性出现品种差异; IAA与POD,IAAO负相关; POD与IAAO正相关,高浓度影响效果明显。CCC对IBA和IAA的作用效果有较大差异,IAA主要影响植株的生长,而IBA与植物的抗逆性关系紧密; POD和IAAO对2种内源激素的作用效果有品种差异性。生产中大丽花株高20 cm时喷施1次3 000 mg·L CCC矮化效果最佳。

关键词: 大丽花, CCC, IBA, IAA, 相关酶活性

Abstract:

Two new varieties, ‘Dajinhong’and ‘Longshangxiongying’ of Dahlia pinnata were used as the experiment material to study, effects of CCC on the phenotype indices of the Dahlia, the content of IBA, IAA and the activity of related enzyme (POD and IAAO) in dahlia leaves. The result indicated that CCC could affect these morphological and physiological indices. The plant was dwarfed significantly, the stem and flower diameter increased, the activity of POD and IAAO improved, and the contents of IBA and IAA changed significantly. The correlation analysis showed that IBA content was negatively correctied with IAA contents and POD activity. IAA content had negative correction with the activity of POD and IAAO. There was positive correction between the activity of POD and IAAO activity. In addition, the CCC effects increased with the concentration. These indicated that CCC had different effects on the content of IBA and IAA, The function of two endogenous hormones was significantly different. IAA affects the growth and development of plants, IBA has close relationship with the plant resistance. POD and IAAO had different impacts on the content of IAA and IBA because of variation distinction of cultivars. A spray treatment of 3 000 mg·L CCC had the best dwarfing effect in the production when the dahlia’s plant height was 20 cm.

Key words: Dahlia pinnata, CCC, IBA, IAA, related enzyme activity

中图分类号:

S682.1

甄红丽;苑兆和;冯立娟;王晓慧;丁雪梅;韩玲玲;杨尚尚;. CCC对大丽花表型和2种内源激素的影响[J]. 林业科学, 2012, 48(9): 30-35.

Zhen Hongli;Yuan Zhaohe;Feng Lijuan;Wang Xiaohui;Ding Xuemei;Han Lingling;Yang Shangshang;. Effects of CCC on the Phenotype Indices and Two Endogenous Hormones in Dahlia pinnata[J]. Scientia Silvae Sinicae, 2012, 48(9): 30-35.

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CCC对大丽花表型和2种内源激素的影响

Effects of CCC on the Phenotype Indices and Two Endogenous Hormones in Dahlia pinnata

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