5个葡萄砧木品种的光合荧光特征分析  

Analysis on Photosynthetic Fluorescence Characteristics of Five Grape Rootstock Varieties

作　　者：左开云 阿布力克木·吾斯曼 叶丽努尔·哈德勒 富建年 巴佳 周龙[1] ZUO Kaiyun;ABULKMU·Usman;YLINUER·Hadeler;FU Jiannian;BA Jia;ZHOU Long(College of Horticulture,Xinjiang Agricultural University,Urumqi,Xinjiang 830052,China)

机构地区：[1]新疆农业大学园艺学院,新疆乌鲁木齐830052

出　　处：《天津农业科学》2023年第12期16-21,共6页Tianjin Agricultural Sciences

基　　金：自治区重点研发计划项目(2020B01003);新疆农业大学大学生创新创业项目(dxscx2023120)。

摘　　要：通过比较5个葡萄砧木叶片光合和叶绿素荧光参数的差异,筛选适宜新疆天山北麓地区生态适应性强的葡萄砧木,为葡萄砧木的进一步推广提供参考依据。采用GFS-3000便携式光合作用仪、PAM-2500叶绿素荧光分别测定5个供试葡萄砧木叶片的光合和叶绿素荧光参数的日变化趋势并进行分析。结果表明:5个葡萄品种的光合和叶绿素荧光参数均存在差异。随着时间的延长,PSⅡ最大光能转化效率日变化下降幅度最大的为5BB,最小的为1103P;5BB和1103P的非光化学淬灭系数高于其他3个品种;最大荧光Fm呈先下降后上升的变化趋势,变化幅度最小为琐琐,变化幅度最大为5BB;5个葡萄砧木的净光合速率均呈先上升后下降的趋势,其中峰值最大的是户太8号;水分利用效率总体呈上升趋势,其中最大的是5BB,最小的是琐琐;5个葡萄砧木的蒸腾速率、气孔导度、净光合速率日变化均表现为单峰曲线变化,变化趋势相似。进一步通过主成分分析法计算5个葡萄砧木品种光合特征参数的综合得分为:户太8号>琐琐>5BB>SO4>1103P。综上所述,在相同的栽培条件下5个葡萄砧木在新疆天山北麓地区,户太8号和琐琐的生长势更强,而5BB、SO4和1103P作为砧木品种在温室内的表现弱于栽培品种。To compare the differences of photosynthetic and chlorophyll fluorescence parameters from the leaves of five grape rootstocks,the grape rootstocks suitable for the ecological adaptability of the northern Tianshan Mountains in Xinjiang were screen to provide a reference for the further promotion of grape rootstocks.The diurnal variation trends of photosynthetic and chlorophyll fluorescence parameters of SO4,1103P,5BB,Suosuo and Hutai 8 were determined and analyzed by GFS-3000 portable photosynthesis instrument and PAM-2500 chlorophyll fluorescence.The results showed that the photosynthetic and chlorophyll fluorescence parameters of the five grape varieties were different.With the extension of time,the daily variation of the maximum light energy conversion efficiency of PSII decreased the most by 5BB and the least by 1103P.The non-photochemical quenching coefficients of 5BB and 1103P were higher than those of the other three varieties.The maximum fluorescence Fm showed a trend of decreasing first and then increasing,with the smallest change range of Suosuo,and the largest change range of 5BB.The net photosynthetic rate of the five grape rootstocks showed a trend of increasing first and then decreasing,and the highest peak was Hutai 8.The water use efficiency was generally on the rise,with the largest being 5BB and the smallest being Suosuo.The diurnal variation of transpiration rate,stomatal conductance and net photosynthetic rate of five grape rootstocks showed a single peak curve,and the change trend was similar.Furthermore,the comprehensive scores of photosynthetic characteristic parameters of five grape rootstock varieties were calculated by principal component analysis.The results showed that Hutai 8>Suosuo>5BB>SO4>1103P.In conclusion,under the same cultivation conditions,the five grape rootstocks,Hutai 8 and Suosuo have stronger growth potential than other grape rootstocks in northern Tianshan Mountains in Xinjiang,while 5BB,SO4 and 1103P as rootstock varieties performed weaker when they cultivate in the gree

关 键 词：葡萄砧木 品种 光合参数 叶绿素荧光参数 

分 类 号：S663.1[农业科学—果树学]