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首页> 外文期刊>African Journal of Biotechnology >Performance of yam microtubers from temporary immersion system in field conditions
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Performance of yam microtubers from temporary immersion system in field conditions

机译：临时浸没系统中山药微块茎在田间条件下的性能

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摘要

The yam clones ′Pacala Duclos′ and ′Belep′?of Dioscorea alata?were used to evaluate the performance of microtubers formed in temporary immersion systems (TIS) in field conditions. Previously sprouted microtubers with a fresh weight higher than 3.0 gFW were used while?in vitro?plants and tuber crowns from conventional propagation methods served as control. In both clones there were no significant differences in qualitative morphological characters between plants from microtubers and?in vitro?plants for all traits but both differed significantly from plants obtained from tuber crowns. The same trend was observed for number, length, diameter and fresh weight of tubers produced 36 weeks after field planting. The number of tubers formed per plant raised from microtubers doubled that raised from tuber crowns in both clones. Microtubers from temporary immersion systems can be grown on the field and used in original seed production programs.
机译：薯Di的薯P'Pacala Duclos'和'Belep'？用于评估田间条件下在临时浸没系统（TIS）中形成的微块茎的性能。使用以前发芽的微块茎，其鲜重高于3.0 gFW，而采用常规繁殖方法的“体外”植物和块茎冠作为对照。在两个无性系中，微块茎植物和“体外”植物的所有性状在定性形态特征上没有显着差异，但与从块茎冠获得的植物均存在显着差异。田间种植36周后生产的块茎的数量，长度，直径和鲜重出现了相同的趋势。在两个克隆中，由微型块茎育成的每株植物形成的块茎数量是从块茎冠上产生的块茎数量的两倍。临时浸没系统的微型块茎可以在田间种植并用于原始种子生产程序。

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