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光照强度对两种彩叶玉簪生长及光合特性的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2012年04期
Page:
57-61
Column:
研究论文
publishdate:
2012-07-31

Article Info:/Info

Title:
The effect of different light intensity on the growth and photosynthesis characteristics of two kinds of colorful Hosta
Author(s):
LI Jinpeng ZHAO Hexiang DONG Ran*FENG Min
College of Horticulture,Jilin Agricultural University,Changchun 130118, China
Keywords:
colorful Hosta growth and development photosynthetic characteristics
Classification number :
X173
DOI:
10.3969/j.jssn.1000-2006.2012.04.011
Document Code:
A
Abstract:
The growth and photosynthesis characteristics of two kinds of colorful Hosta were studied under light transmittance of 100%,50%,30%,10%.Results indicated that curves of diurnal variation in Pn,Gs,Tr and Ci had double-peaks; appropriate shade could increase the leaves length,width,plant height and leaf area of the two kinds of colorful Hosta, also the above- and below-ground biomass were increased. Under the condition of 30% light transmittance, H. ‘Sieboldiana Gold’ grew best; under the condition of 50% light transmission, H.‘Gold Edger’was more favorable to the dry matter accumulation,there were significant differences (p<0.05)between the above two treatment and the full light treatment. It was thus clear that 30% and 50% light treatment were the best light intensity that could improve the utilization of light and increased the dry matter accumulation of H. ‘Sieboldiana Gold ’and H.‘Gold Edger’, respectively.

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Last Update: 2012-07-07