Studies on Growth and Development of Artemisia annua L. in Wuling Mountain Area

doi:10.11926/j.issn.1005-3395.2016.01.012

Home > Archive>Volume 24, Issue 1, 2016 >87-92. DOI:10.11926/j.issn.1005-3395.2016.01.012

Studies on Growth and Development of Artemisia annua L. in Wuling Mountain Area
DOI:
                        10.11926/j.issn.1005-3395.2016.01.012
                    
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                        CUI Guang-linCUI Guang-lin
Institute of Material Medical Planting, Chongqing Academy of Chinese Materia Medica, Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing Key Laboratory of Chinese Medicine Resources, Chongqing Sub-center of National Resource Center for Chinese Material Medical, China Academy of Chinese Medical Science, Chongqing 400065, China
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LI Long-yunLI Long-yun
Institute of Material Medical Planting, Chongqing Academy of Chinese Materia Medica, Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing Key Laboratory of Chinese Medicine Resources, Chongqing Sub-center of National Resource Center for Chinese Material Medical, China Academy of Chinese Medical Science, Chongqing 400065, China
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WU Ye-kuanWU Ye-kuan
Institute of Material Medical Planting, Chongqing Academy of Chinese Materia Medica, Chongqing Engineering Research Center for Fine Variety Breeding Techniques of Chinese Materia Medica, Chongqing Key Laboratory of Chinese Medicine Resources, Chongqing Sub-center of National Resource Center for Chinese Material Medical, China Academy of Chinese Medical Science, Chongqing 400065, China
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Affiliation:Chonging Academy of Chinese Materia Medica,Chonging Academy of Chinese Materia Medica,Chonging Academy of Chinese Materia Medica
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Abstract:

In order to understand the growth characteristics of Artemisia annua in Wuling Mountain area, the growth and development law were studied. The results showed that the development of A. annua could be divided into six stages, including seedling stage, early branch stage, branching stage, bud stage, blooming stage and seed maturity stage. The leaf area increased most rapidly at branching stage, and the leaf area index had linear ascending with the growth of branches and leaves. Leaf area ratio overall decreased at seed maturity stage. The net assimilation rate changed slightly, which there were two small peaks at seedling and blooming stages, respectively. The relative growth rate changed greatly, crop growth rate was small at seedling and seed maturity stages, and high at branching stage. The rule of dry matter accumulation in the whole growth period appears “S” curve. During late June to late August, A. annua growth was at branching stage, dry matter accumulation rate and yield of leaves increased rapidly, so that this period was the key time of increasing yield of A. annua leaves, it should pay attention to balanced application of NPK fertilizers.

Key words:Artemisia annua;Growing period;Growth;Development;Dry matter accumulation

Reference

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崔广林,李隆云,吴叶宽.武陵山区黄花蒿生长发育规律研究[J].热带亚热带植物学报,2016,24(1):87~92

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Received:April 22,2015
Revised:July 07,2015
Adopted:October 09,2015
Online: January 21,2016
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