WANG Lihong,LI Huibin,LOU Shijie,et al.Comparative Experiment of Pennisetum alopecuroides New Strain‘LS-1’[J].Northern Horticulture,2016,40(03):149-152.[doi:10.11937/bfyy.201603042]
观赏狼尾草新品系‘LS-1’品种比较试验
- Title:
- Comparative Experiment of Pennisetum alopecuroides New Strain‘LS-1’
- 文献标志码:
- A
- 摘要:
- 以观赏狼尾草新品系‘LS-1’为试材,原始无性繁殖群体为对照,研究比较了新品系与对照的物候期、绿色期、越冬(夏)率、形态特征、观赏性和抗逆性等指标因子。结果表明;新品系‘LS-1’移栽第1年株高、冠幅和花序数比原始亲本无性繁殖群体低;第2年和第3年,株高、冠幅和花序数趋于稳定,总体表现优于原始亲本群体;叶长、叶宽和花序长度变化不明显。‘LS-1’田间表现绿色期长、萌芽期早、抽穗前叶片下垂、株型紧凑、单株花序多、越冬(夏)率100%、抗逆性强、生长速度快等特点,总体评价为“优”,移栽2~3年后,新品系‘LS-1’观赏性优于原始亲本无性繁殖群体。
- Abstract:
- Taking the Pennisetum alopecuroides new strain‘LS-1’ as test material and the primitive vegetative propagation plant as contral,the new strain phenophase,green period,winter(summer) survival rate,botanical characteristics,ornamental value and stress resistance were studied.The results showed that the new strain ‘LS-1’ on plant height,crown width and inflorescences number were lower than the primitive vegetative propagation group during the first year after transplanting and tended to be stable during the second year and the third year after transplanting.The new strain ‘LS-1’ showed long green period,early bud germination,before earing blade pendulous,compact plant type,and strong resistance,fast growth,the overall evaluation for the best.Ornamental value was superior to the primitive vegetative propagation during the second year and the third year after transplanting.
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备注/Memo
第一作者简介:王丽宏(1976-),女,博士,副教授,现主要从事草坪草与观赏草种质资源等研究工作。E-mail:wanglh@hebau.edu.cn.基金项目:河北省教育厅资助项目(QN2014200)。