^(14)C示踪同化物在中国柽柳-管花肉苁蓉复合体内的物质分配  

Substance distribution of ^(14)C tracer assimilates in Tamarix chinensis-Cistanche tubulosa complex

作　　者：刘淑红[1] 杨太新[1,2] LIU Shu-hong;YANG Tai-xin(College of Agronomy/Key Laboratory of Crop Growth Regulation of Hebei Province,Hebei Agricultural University,Baoding 071001,Hebei,China;College of Agronomy,Hebei University of Engineering,Handan 056038,Hebei,China)

机构地区：[1]河北农业大学农学院/河北省作物生长调控实验室,河北保定071001 [2]河北工程大学农学院,河北邯郸056038

出　　处：《湖北农业科学》2022年第15期164-167,共4页Hubei Agricultural Sciences

基　　金：河北省自然科学基金项目(C2007000692)。

摘　　要：采用BH1216型低本底αβ测量装置,测定分析^(14)C示踪同化物在中国柽柳-管花肉苁蓉复合体内的物质分配。结果表明,柽柳(Tamarix chinensis)饲喂叶中的^(14)C比活度最高,不同时间^(14)C在柽柳-管花肉苁蓉各部位均有分布;相同处理饲喂叶的^(14)C比活度以9月最高,其次为8月和10月,11月最低;相同时间不同处理^(14)C同化物在柽柳和管花肉苁蓉(Cistanche tubulosa)中的分配比例差异也达显著性水平,随着管花肉苁蓉寄生数量的增加,相同时间分配给柽柳的^(14)C同化物比例显著降低,而分配给管花肉苁蓉的显著升高;不同时间相同处理柽柳和管花肉苁蓉中^(14)C同化物的分配比例差异显著,随着管花肉苁蓉的寄生生长,8—10月分配给柽柳的^(14)C同化物比例显著降低,而分配给管花肉苁蓉的显著升高,10月达到峰值。由此可知,管花肉苁蓉与寄主柽柳之间^(14)C同化物转换过程存在显著差异。The substance distribution of ^(14)C tracer assimilates in Tamarix chinensis-Cistanche tubulosa complex was measured and ana⁃lyzed by using BH1216 low backgroundαβmeasuring device.The results showed that the specific activity of ^(14)C in Tamarix chinensis fed leaves was the highest,and ^(14)C was distributed in different parts of Tamarix chinensis and Cistanche tubulosa at different time.The ^(14)C specific activity of leaves fed with the same treatment was the highest in September,followed by August and October,and the low⁃est in November.At the same time,the distribution proportion of ^(14)C assimilates in Tamarix chinensis and Cistanche tubulosa under dif⁃ferent treatments also reached a significant level.With the increase of the parasitic number of Cistanche tubulosa,the proportion of ^(14)C assimilates allocated to Tamarix chinensis at the same time decreased significantly,while the proportion allocated to Cistanche tubulosa increased significantly.The distribution ratio of ^(14)C assimilates in Tamarix chinensis and Cistanche tubulosa at different times was sig⁃nificantly different.With the parasitic growth of Cistanche tubulosa,the proportion of ^(14)C assimilates allocated to Tamarix chinensis de⁃creased significantly from August to October,while the proportion allocated to Cistanche tubulosa increased significantly,reaching a peak in October.Therefore,there is a significant difference in the conversion process of ^(14)C assimilates between Cistanche tubulosa and its host Tamarix chinensis.

关 键 词：柽柳(Tamarix chinensis) 管花肉苁蓉(Cistanche tubulosa) 不同时间 不同部位 同化物 

分 类 号：S567.239[农业科学—中草药栽培] S793.5[农业科学—作物学]