Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无性系子产量低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自黑的21重要树品（无性系）的鉴定与传相关性进行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31银杏雌性品4雄株类型的单株无性系，随机区排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无性系种子产低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨组和黑杨组的21个重要杨树品种（无性系）的鉴定与传相关性行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产性状及其与叶产的相关性，叶黄酮、内酯行了研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无系子产量低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨杨的21个重要杨树（无系）的鉴定与传相关进行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌4个雄株类型的单株无系，随机区排列，对叶产量状及其与叶产量的相关，叶黄酮、内酯含量进行了研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无性系子产量低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自黑的21重要树品（无性系）的鉴定与传相关性进行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31银杏雌性品4雄株类型的单株无性系，随机区排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分系子产量低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨组和黑杨组的21个重要杨树品（系）的鉴定与传相关进究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌品和4个雄株类型的单株系，随机区组排列，对叶产量状及其与叶产量的相关，叶黄酮、内酯含量进究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无性系种子产量低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨组和黑杨组的21个重要杨树品种（无性系）的鉴关性进行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其叶产量的关性，叶黄酮、内酯含量进行了研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无性系种子产量低，育苗、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨组和黑杨组的21个重要杨树品种（无性系）的鉴定与传相关性研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无系种子产，、造林时这些家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨组和黑杨组的21个重要杨树品种（无系）的鉴定与传相关进行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌品种和4个雄株类型的单株无系，随机区组排列，对叶产及其与叶产的相关，叶黄酮、内酯含进行了研究。

Production of some clonally seeds were low, these lines were easy to be lost while planting.

由于部分无性系种子产量低，育苗、造林家系容易丢失。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP来自青杨组和黑杨组的21个重要杨树品种（无性系）的鉴定与传相关性进行了研究。

The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组，叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。