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题名: Nitrogen Requirements for Vegetative Growth, Flowering, Seed Production, and Ramet Growth of Paphiopedilum armeniacum (Orchid)
作者: Mou Zong-min1; Yan Ning1; Li Shu-yun1; Hu Hong1
刊名: HORTSCIENCE
关键词: PHALAENOPSIS ORCHIDS ; PHOSPHORUS ; LEAVES ; PHOTOSYNTHESIS ; REPRODUCTION ; BARLEY ; PLANTS ; YIELD ; SHRUB
英文摘要: Paphiopedilum armeniacum S. C. Chen et F. Y. Liu is endemic to China and has great ornamental value. Little is known about its nutrient requirement for growth and reproduction after deflasking (transplantation of seedlings from culture vessels to pots). We studied the effects of adding nitrogen (N) (0, 105, 210, and 420 mg.L-1) on the vegetative growth and reproduction of P. armeniacum. N enrichment improved leaf area and lengthened the leaf lifespan during the vegetative stage. The effects of N application on flower size were minor. The intermediate N level of 210 mg.L-1 (MN) increased the seed capsule weight, seed germination rate, and improved the growth of seedlings that developed from seeds of MN-treated plants. N fertilizer exerted little influence on ramet emergence and ramet number per plant, but a low N concentration of 105 mg.L-1 promoted the leaf number and leaf area of ramets. Appropriate N levels for P. armeniacum in production and cultivation should be determined according to different production objectives.
出版日期: 2012-05-01
卷号: 47, 期号:5, 页码:585-588
语种: 英语
ISSN号: 0018-5345
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/17629
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650204, Peoples R China

Recommended Citation:
Mou Zong-min;Yan Ning;Li Shu-yun;Hu Hong.Nitrogen Requirements for Vegetative Growth, Flowering, Seed Production, and Ramet Growth of Paphiopedilum armeniacum (Orchid),HORTSCIENCE,2012,47(5):585-588
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