|Table of Contents|

Relationship Between SPAD Value and Chlorophyll Content in Leaves of Two Fruit Tree Species(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年05期
Page:
9-12
Research Field:
Publishing date:

Info

Title:
Relationship Between SPAD Value and Chlorophyll Content in Leaves of Two Fruit Tree Species
Author(s):
PAN Jing1; CAO Bing1; WAN Zhong-wu2
1.College of Agriculture，Ningxia University，Yinchuan，Ningxia 750021；
2.Baishawo Forest Farm in Lingwu，Lingwu，Ningxia 751400
Keywords:
fruit trees; SPAD value; chlorophyll content; correlation; regression equation
PACS:
Q 944.56
DOI:
-
Abstract:
In order to study the relationship between SPAD readings and chlorophyll content in leaves of apricot and jujube，chlorophyll content of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube was measured by means of spectrophotometer and chlorophyll meter SPAD-502 respectively，then the correlation between SPAD readings chlorophyll contents were analyzed.The results showed that correlation between SPAD readings and chlorophyll content in leaves of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube were significant at 0.01 level respectively，the ‘Golden Sun’ apricot regression equation was y=0.0576SPAD-0.4648(R2=0.849**)，and the ‘Lingwu’ long jujube regression equation was y=0.0859SPAD-0.7461(R2=0.8923**).There was no significant difference between the dates and forecast data of leaves of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube.So the regression equation could be used to forecast chlorophyll content of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube by SPAD reading.

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Last Update: 2014-08-27