|Table of Contents|

Light Response Curve of Four Kinds of Fruit Trees and Effect of Short Time Sand Dust Cover Treatment on Photosynthetic Parameters

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年02
Page:
38-45
Research Field:
Publishing date:

Info

Title:
Light Response Curve of Four Kinds of Fruit Trees and Effect of Short Time Sand Dust Cover Treatment on Photosynthetic Parameters
Author(s):
Zulkeya?MANAP1; Batur?BAKE1; Sajida?ABDUKIRIM1; LUO Nana1; Akram?AHMAT2
1.College of Grassland and Environmental Science,Xinjiang Agricultural University,Urumqi,Xinjiang 830052;2.College of Environment,Tsinghua University,Beijing 100084
Keywords:
Amygdalus communis; Juglans regia; Malus pumila; Armeniaca vulgaris; sand dust; photosynthetic response curve; photosynthetic parameters
PACS:
-
DOI:
10.11937/bfyy.20171221
Abstract:
This experiment was designed to study the changes of photosynthetic parameters characteristics of the leaves of Amygdalus communis Linn.,Juglans regia Linn.,Malus pumila Mill. and Armeniaca vulgaris Lam. under the short time sand dust treatment and shade cover treatment.The design different mulching treatment 〖JP3〗unit area dust amount were 3 0,6 0,8 8,15 8,18 0 mg?cm-2,respectively.Different dust cover thickness corresponding to the shading cover thickness were,white gauze layer,white gauze three layers,white gauze five layers,black gauze layer,black gauze three layers.The results showed that the order of light compensation point of four kinds of fruit trees as follows: Malus pumila＞Amygdalus communis＞Juglans regia＞Armeniaca vulgaris;the order of the light saturation point as follows: Juglans regia＞Malus pumila＞Amygdalus communis＞Armeniaca vulgaris;the order of apparent quantum efficiency as follows: Malus pumila＞Armeniaca vulgaris＞Amygdalus communis＞Juglans regia;Juglans regia walnut′s maximum net photosynthetic rate was the largest,followed by Amygdalus communis,Armeniaca vulgaris′s was minimum.The net photosynthetic rate （Pn) decreased with increasing of the shading rate under the both short time sand dust treatment and shade cover treatment,the sand dust treatment groups decreased more than the shade cover treatment group,when the shading rate was 99.0%,Pn values of four kinds of fruits under the two treatment group were all decreased compared with the control groups,the order was Juglans regia＞Amygdalus communis＞Armeniaca vulgaris＞Malus pumila.Under the sand dust treatment,the transpiration rate （Tr) decreased gradually with the increase of shading rate,when the shading rate was 99.0%,Tr of four kinds of fruits decreased compared with the control group,the order was:Amygdalus communis＞Juglans regia＞Malus pumila＞Armeniaca vulgari.Effects of shading cover stress on Tr rate of four kinds of fruit trend difference,when the shading rate was 99.0%,Tr of four kinds of fruits decreased compared with the control group,the order was Armeniaca vulgaris＞Juglans regia＞Malus pumila＞Amygdalus communis.

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Last Update: 2018-01-26