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当前位置: 首页 > 文章 > ~(14)C示踪同化物在柽柳和管花肉苁蓉寄生系统内的分配 西北农业学报 2014,23 (7) 87-90
Position: Home > Articles > The Distribution of ~(14)C-labeled Photoassimilates in Parasitic System of Tamarix chinensis and Cistanche tubulosa Acta Agriculturae Boreali-occidentalis Sinica 2014,23 (7) 87-90

~(14)C示踪同化物在柽柳和管花肉苁蓉寄生系统内的分配

作  者：
明鹤;杨太新;杜艳华;刘金娜
单  位：
河北工程大学农学院;河北农业大学农学院河北省作物生长调控实验室
关键词：
柽柳;管花肉苁蓉;14 C同化物;分配
摘  要：
利用14 C同位素示踪技术,探讨碳同化物在柽柳和管花肉苁蓉寄生系统内的分配,为明确两者同化物的源库关系及光合产物调控提供理论依据。结果表明,不同时期柽柳和管花肉苁蓉中14 C同化物的分配比例差异显著,8-10月分配给柽柳的14 C同化物比例显著降低,分配给管花肉苁蓉的比例显著升高,10月达到峰值,柽柳和管花肉苁蓉中14 C同化物的比例分别为14.95%~20.54%和79.46%~85.05%。随着管花肉苁蓉寄生数量的增加,分配给柽柳的14 C同化物比例显著降低,分配给管花肉苁蓉的比例显著升高,管花肉苁蓉的14 C同化物分配比例表现为接种8个的处理>接种4个的处理>接种1个的处理。14 C同化物在柽柳和管花肉苁蓉寄生系统内的分配比例随肉苁蓉寄生数量和生长时间而变化。
译  名：
The Distribution of ~(14)C-labeled Photoassimilates in Parasitic System of Tamarix chinensis and Cistanche tubulosa
作  者：
MING He;YANG Taixin;DU Yanhua;LIU Jinna;College of Agronomy,Agricultural University of Hebei/Key Laboratory of Crop Growth Regulation of Hebei Province;College of Agronomy,Hebei University of Engineering;
关键词：
Tamarix chinensis;;Cistanche tubulosa;;14C-photoassimilates;;Distribution
摘  要：
The distribution of 14C-phptoassimilates in parasitic system of Tamarix chinensis and Cistanche tubulosa was investigated by using 14 C isotope tracer technique.The results showed that the14C-phptoassimilate distribution in the system varied significantly in different growth stages.From August to October,the 14C-photoassimilates distribute with small ratio to Tamarix chinensis plant and large ratio to C.tubulosa,reaching the peak in October.The amounts of 14C-photoassimilates distributed to Tamarix chinensis plant and C.tubulosaacross the whole growth stage were 14.95%to20.54%and 79.46%to 85.05%,respectively.Moreover,with the increase of C.tubulosa parasitized,the 14C-photoassimilates distributed to Tamarix chinensis plant decreased and transferred to C.tubulosasignificantly increased,with the highest ratio to C.tubulosain treatment C,followed in treatment B,and then in treatment A.Our results confirmed that the 14C-phptoassimilates distribution in the parasitic system of Tamarix chinensis and C.tubulosa varied along with the C.tubulosa number and growth progression.

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