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Effect of Different Shading on Photosynthesis and Physiologycal Characteristics of Paris polyphylla (PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年08
Page:
73-77
Research Field:
Publishing date:

Info

Title:
Effect of Different Shading on Photosynthesis and Physiologycal Characteristics of Paris polyphylla
Author(s):
WANG Lan1 2; ZHANG Yu-bin3; LI Jian-xin1; ZHANG Xi-min3
(1 College of Biology and Agriculture and Forest Engineering，Tongren University，Tongren，Guizhou 554300;2 The Search Center of The Conservation and Utilization of Wildlife Resources in Fanjing Mountain，Tongren，Guizhou 554300;3 College of Life Science，Guizhou Normal University，Guiyang，Guizhou 550001)
Keywords:
Paris polyphylla; shade; photosynthetic characteristics; physiological characteristics
PACS:
S 681.9
DOI:
10.11937/bfyy.201508021
Abstract:
Taking Paris polyphylla as test material，the net photosynthetic rate(Pn),transpiration rate(Tr),intercellular CO2 concentration(Ci)，stomatal conductance(Gs)，protein(Pro) content，chlorophyll(Chl) content，soluble sugar content and MDA content were determined under different conditions of shading treatments(Full sunlight，30%,60% and 75% shading),in order to investigate the photosynthetic and physiological characteristics of P.polyphylla.The results showed that Pn，Tr and Gs of P.polyphylla were 5.82 μmol?m-2?s-1，1.60 mmol?m-2?s-1，0.14 mol?m-2?s-1,respectively.Simultaneously，the contents of Pro and Chl were respectively 19.25 mg/g，3.72 mg/g at maximum，under 60% shading treatments for 30 days.The result indicated that during the period of artificial planting and introducing train of P.polyphylla，it was appropriated to take 60% shading treatment.

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Last Update: 2015-07-24