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Effects of different light conditions on morphological and physiological characteristics inPyrrosia petiolosa
Author(s): 
Pages: 109-113
Year: Issue:  2
Journal: Nonwood Forest Research

Keyword:  Pyrrosia petiolosalight intensitylfuorescence parametermorphology growthphysiological response;
Abstract: In order to understand light condition requirements ofPyrrosia petiolosa, and better applied to landscaping, effects of ifve stress treatments on morphological and physiological characteristics in P. petiolosawere studied, including nature light (CK, 9 000 lx), severe strong light (40 000 lx), light strong light (24 000 lx), light weak light (4 000 lx), weak light (800 lx). Relative electrical conductivity, relative chlorophyll content, relative water content, and the photosynthetic fluorescence parameters inP. petiolosa stressed by different light intensities were respectively determined by using DDS-11c type conductivity meter, SPAD-502 portable chlorophyll meter, US production LI-COR6400 photosynthesis analyzer. The results showed thatP. petiolosa could normally grow under the light intensities, and growth potential was the best under the light intensity of 9 000 lx. The stress treatments of different light intensities could signiifcantly affect relative electrical conductivity, relative chlorophyll content, relative water content, and the photosynthetic lfuorescence parameters inP. petiolosa.
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