[1]涂美艳,宋海岩,陈 栋,等.川中丘陵区碱性土对GF677和毛桃叶片光合特性及叶绿素荧光参数的影响[J].山地学报,2018,(01):153-162.[doi:10.16089/j.cnki.1008-2786.000311]
　TU Meiyan,SONG Haiyan,CHEN Dong,et al.Comparison of Photosynthetic Characteristics and Chlorophyll Fluorescence Parameters Between GF677 and Wild Peach on Alkaline Soil in Sichuan Hilly Basin[J].Mountain Research,2018,(01):153-162.[doi:10.16089/j.cnki.1008-2786.000311]
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川中丘陵区碱性土对GF677和毛桃叶片光合特性及叶绿素荧光参数的影响()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2018年01期
页码:
153-162
栏目:
山地技术
出版日期:
2018-01-30

文章信息/Info

Title:
Comparison of Photosynthetic Characteristics and Chlorophyll Fluorescence Parameters Between GF677 and Wild Peach on Alkaline Soil in Sichuan Hilly Basin
文章编号:
1008-2786-(2018)1-143-10
作者:
涂美艳; 宋海岩; 陈 栋; 李 靖; 孙淑霞; 江国良
四川省农业科学院园艺研究所·农业部西南地区园艺作物生物学与种质创制重点实验室,成都 610066
Author(s):
TU Meiyan;  SONG Haiyan;  CHEN Dong;  LI Jing;  SUN Shuxia;  JIANG Guoliang*
Horticulture Research Institute, Sichuan Academy of Agricultural Sciences& Southwestern key laboratory of horticultural crops biology and germplasmenhancement, ministry of agriculture, Chengdu, Sichuan province, 610066
关键词:
GF677;  毛桃;  川中丘陵;  碱性土;  光合特性;  叶绿素荧光参数
Keywords:
GF677;  wild peach;  alkaline soil;  photosynthetic characteristics;  chlorophyll fluorescence parameters
分类号:
S662.1
DOI:
10.16089/j.cnki.1008-2786.000311
文献标志码:
A
摘要:
川中丘陵区桃栽培历史悠久,该地区土壤多为紫色页岩碱性土,桃树黄化问题突出,严重影响了桃树生长发育。为探明桃抗性砧木GF677与普通毛桃在碱性土上光合能力差异,以两年生GF677扦插苗和毛桃实生苗为材料,使用LI6400-XT便携式光合作用测量系统,对其光合特性及叶绿素荧光参数进行比较,为今后筛选高光效、抗黄化桃种质资源提供理论依据。结果表明:(1)GF677的表观量子效率和CO2饱和点均极显著高于毛桃,光下最大净光合速率和CO2下最大净光合速率均显著高于毛桃。毛桃的光补偿点和CO2补偿点均极显著高于GF677。(2)GF677叶片Fm、Fv/Fm、φPSⅡ、Fv'/Fm'和 ETR在多个时期均极显著高于毛桃,尤其是在进入夏季后差异更加明显,而GF677叶片NPQ在多个时期极显著低于毛桃。(3)GF677可降低PSⅡ反应中心非化学能量耗散和天线热耗散,将过剩的激发能用于光化学反应,提高叶绿素荧光产额,保护光合器官,其PSⅡ系统热稳定性较毛桃强。综合本试验研究结果,认为GF677与传统毛桃砧木相比具有更合理的光能分配机制及更强的光合系统稳定性,具有在川中丘陵碱性土地区做抗性砧木资源的推广潜力。
Abstract:
There is a long history of peach cultivation in the hilly area of central Sichuan.The soil in this area is purple shale rock alkaline soil, which causes peach yellowing and thereby seriously affects the growth and development of peach trees.To identify the difference in photosynthetic capacity between the resistant material GF677 and common wild peach growing in alkaline soil, biennial GF677 cutting seedlings and wild peach seedlings were chosen as materials, and their photosynthetic and chlorophyll fluorescence parameters were compared by LI6400-XT portable photosynthesis measurement system in this paper.These data could provide the theoretical basis for screening high-photosynthetic-efficiency and anti-yellowing peach germplasm resources in the future.The results showed that:(1)the apparent quantum yield and CO2 saturation point were markedly higher for GF677 than for wild peach, and the maximum net photosynthetic rate under light and the maximum net photosynthetic rate under CO2 were also significantly higher for GF677 than for wild peach.The light compensation point and CO2 compensation point were significantly higher for wild peach than for GF677.(2)The chlorophyll fluorescence parameters Fm, Fv/Fm, photochemical yield of photosystem II, Fv'/Fm', and electron transport rate were markedly higher in GF677 leaves than in wild peach leaves at multiple stages, and these differences between the two peach lines were greater in summer.Non-photochemical quenching was markedly lower in GF677 leaves than in wild peach leaves at multiple stages.(3)GF677 was able to dissipate non-chemical energy and antenna heat in the photosystem II reaction center, and direct excess excitation energy to the photochemical reaction to increase the yield of chlorophyll fluorescence and protect the photosynthetic organs.Therefore, the thermal stability of photosystem II was greater in GF677 than in wild peach.Generally, these results indicated that GF677 had more efficient light energy distribution mechanism and more stable photosynthetic system than traditional wild peach.Thus, GF677 had potential as an anti-yellowing root stock in the Sichuan Hilly Basin.

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备注/Memo

备注/Memo:
收稿日期(Received date):2016-12-07; 改回日期(Accepted date):2017-04-17
基金项目(Foundation item):国家桃产业技术体系成都综合试验站(CARS-31-Z-12); 四川省科技支撑计划(2014NZ0046); 四川省育种攻关专项(2016NYZ0034)。 [Peach Industry Technical System of Comprehensive Experimental Station in Chengdu(CARS-31-Z-12); Science and Technology Support Plan of Sichuan Province(2014NZ0046); Breeding Research Projects of Sichuan Province(2016NYZ0034)]
作者简介(Biography):涂美艳(1983-),男,江西峡江县人,博士研究生,副研究员,主要从事果树新品种选育及栽培技术研究,电话028-84504786。 [Tu Meiyan(1983-),male,born in Xiajiang, Jiangxi Province, Ph.D.candidate, associate professor, research on fruit tree varieties breeding and cultivation technique] E-mail: 95688237@qq.com
*通讯作者(Corresponding author):江国良(1962-),四川都江堰市人,博士,研究员,主要从事果树遗传育种和栽培技术研究。[Jiang Guoliang(1962-),born in Dujiangyan, Sichuan Province, Ph.D., professor, research on fruit tree genetics and breeding and cultivation technique]E-mail: jgl22@hotmail.com
更新日期/Last Update: 2018-01-30