18种槭树光合色素含量及其与SPAD值相关性  

Photosynthetic Pigment Content and Its Correlation with SPAD Values of 18 Aceraceae species

作　　者：王雪梅 WANG Xuemei(Fuzhou Botanical Garden,Fuzhou 350012,Fujian,China)

机构地区：[1]福州植物园,福建福州350012

出　　处：《福建林业科技》2023年第4期22-27,共6页Journal of Fujian Forestry Science and Technology

基　　金：福建省科学技术厅农业引导性(重点)项目(闽财指﹝2021﹞728号)。

摘　　要：为探讨彩叶树种叶片成色机理,以三尾青皮槭、桂林槭、宁波三角槭、樟叶槭、金钱槭、长尾秀丽槭、长裂葛萝槭、元宝槭、革叶槭、薄叶槭、飞蛾槭、青榨槭、罗浮槭、五裂槭、光叶槭、彩岑槭、鸡爪槭、金沙槭等18种槭树为研究对象,比较不同槭树树种光合色素含量的差异及其与叶绿素相对含量(SPAD)之间的相关性。结果表明:不同槭树树种之间光合色素(叶绿素a、叶绿素b、叶绿素总量、类胡萝卜素、花色素苷)、SPAD值存在极显著差异(P<0.001),樟叶槭、长尾秀丽槭和薄叶槭的叶绿素a含量较高;长尾秀丽槭和薄叶槭的叶绿素b含量、叶绿素总量及类胡萝卜素含量较高;彩岑槭和鸡爪槭的花色素苷相对含量最高(P<0.05),分别为16.04、20.89色素单位·g^(-1);罗浮槭、长裂葛萝槭、三尾青皮槭和光叶槭叶片SPAD值较高。相关分析表明,不同槭树树种类胡萝卜素含量与叶绿素a、叶绿素b及叶绿素总量之间存在极显著正相关关系(P<0.01),不同槭树树种SPAD值与叶绿素a、叶绿素总量之间存在显著正相关关系。本研究结果可为彩叶树种的选育及造林配置提供参考。In order to explore the mechanism of leaf colour formation in color ed leaf tree species,the Acer cappadocicum var.tricaud atum,A.kweilinense F ang et Fang f.,A.buergerianum var.ningpoense,A.cin namomifolium Hayata,Dipteronia sinensis Oliv.,A.elegantulum var.macrurum,A.grosseri var.hersii,A.truncatum Bunge,A.coriaceifolium Levl.,A.tenellum P ax,A.oblongum Wall.,A.davidii Franch.,A.fabri Hance,A.oliverianum Pax,A.laevigatum Wall.,A.serrulatum‘Bicolor’,A.palmatum Thunb.,A.paxii Franch.were chosen as the study objects.The differences of photosynthetic pi gment contents of different Acer species and the correlations between them and SPAD values were compared.The results showed that the differenc es of photosynth etic pigment contents(chlorophyll a,chlorophyll b,total chlorophyll,caroteno ids and anthocyanin)and SPAD values among the 18 Acer species were extremely si gnificant(P<0.001).The content of chlorophyll a of A.cinnamomifolium Hayata,A.elegantulum var.ma crurum and A.tenellum Pax was higher;the content of chlorophyll b,total chlorophyll,and carotenoids of A.elegantulum var.macrurum and A.tenellum Pax was hi gher;the content of anthocyanin of A.serru latum‘Bicolor’and A.palmatum Thunb.was significant ly higher(P<0.05),with 16.04 and 20.89 unit·g^(-1),respectively;the PAD values o f A.fabri Hance,A.grosseri var.hersi i and A.cappadocicum var.tricaudatu m and A.laevigatum Wall were higher.The correlation an alysis showed the rela tionships of carotene contents and the contents of chlorophyll a,chlorophyll b and total chlorophyll were extremely significantly positive among 18 Ace r specie s(P<0.01).The relationships of SPAD values a nd the contents of chlorophyl l a and total chlorophyll were significantly positive.This study may provide a scientific guideline for the breeding and the forestation configuration of color leaf tree species.

关 键 词：彩叶树种 叶绿素 类胡萝卜素 花色素苷 SPAD值 相关分析 

分 类 号：S718.43[农业科学—林学] S792.35