[1]李小琴,张凤良,胡永华,等. 橡胶树不同叶位叶绿素空间分布特点[J].西北林学院学报,2017,32(5):52-58.[doi:10.3969/j.issn.1001-7461.2017.05.10]
 LI Xiao-qin,ZHANG Feng-liang,HU Yong-hua,et al. Spatial Distribution Characteristics of Chlorophyll on Different Leaf Positions in Hevea brasiliensis[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):52-58.[doi:10.3969/j.issn.1001-7461.2017.05.10]
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 橡胶树不同叶位叶绿素空间分布特点()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第5期
页码:
52-58
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Spatial Distribution Characteristics of Chlorophyll on Different Leaf Positions in Hevea brasiliensis
文章编号:
1001-7461(2017)05-0052-07
作者:
 李小琴张凤良胡永华邱彦芬毛常丽杨湉倪书邦吴裕*
 (云南省热带作物科学研究所,云南 景洪 666100)
Author(s):
 LI Xiao-qinZHANG Feng-liangHU Yong-huaQIU Yan-fenMAO Chang-liYANG TianNI Shu-bang WU Yu*
 (Yunnan Institute of Tropical Crops,Jinghong,Yunnan 666100,China)
关键词:
 橡胶树SPAD值叶绿素含量空间分布
Keywords:
Hevea brasiliensis SPAD value chlorophyll content spatial distribution
分类号:
S718.45
DOI:
10.3969/j.issn.1001-7461.2017.05.10
文献标志码:
A
摘要:
 以橡胶树9个优树无性系45株树为材料,测定了叶片SPAD值、叶绿素a、叶绿素b及总叶绿素含量,依据不同叶位分类统计,分析空间分布特点。结果表明,SPAD值、叶绿素a、叶绿素b、总叶绿素含量在橡胶树不同无性系、同枝的不同叶蓬、同叶蓬的不同复叶、同叶片不同部位间差异都达到显著(P<0.05)或极显著(P<0.01)水平,而同一复叶的3片小叶间基本无差异;这4个指标在所有无性系和分株间都表现出相同的分布特点:同枝的叶蓬2<叶蓬3<叶蓬4,同叶蓬的上部<中部<下部,同叶片的叶尖<叶中<叶基。同时,4个指标两两呈极显著(P<0.01)正相关。建议在橡胶树种质资源鉴定工作中,进行淘汰选择时可以用SPAD值代表叶绿素含量作为评价指标,生理测定时特别注意采样部位。
Abstract:
 Taking 45 plants of 9 Hevea brasiliensis plus tree clones as materials,we measured the SPAD value,the contents of chlorophyll a,b,and total chlorophyll of the leaves.Based on the classification statistics of different leaf positions,their spatial distribution characteristics were analyzed.There were significant differences in chlorophyll contents (P<0.01 or P<0.05) among 9 clones and among several spatial positions from the aspects of extension unit (EU),leaf position,part of blade,but no difference among the 3 leaflets of same palmate-ternate.The SPAD value,chlorophyll a,b and total chlorophyll content of leaf in the all plant division of 9 clones showed same characteristics as EU2<EU3<EU4 of same branch,upper<middle<bottom of same EU,and apex<middle<base of same blade.Meanwhile there were significant positive correlations (P<0.01) between the every two of the SPAD value,chlorophyll a,b and total chlorophyll content.It was suggested that SPAD value could be used as evaluation index instead of chlorophyll content when conducting elimination selection for germplasm resource of H.brasiliensis,and spatial position should be watch for when collecting leaf samples.

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备注/Memo

备注/Memo:
 收稿日期:2016-12-05修回日期:2017-02-09
基金项目:农业部物种资源保护(热带作物)项目(16RZZY-07-01)。
作者简介:李小琴,女,硕士,助理研究员,研究方向:林木遗传育种学。E-mail:sclixq2011@163.com
*通信作者:吴裕,男,硕士,研究员,研究方向:林木种质资源保护与遗传育种。E-mail:hhyyw20030105@126.com
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