Observation Trail for Clones Generated from Fuzz at Beles Sugar Development Project

S. Alemu, A. Gete
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Abstract

This study was done to screen best performing clones generated from true sugarcane seed based on basic agronomic traits and visual observations from large populations over the standard checks then to promote for next Sugar cane performance trial. The trial was laid out in an augmented randomized complete block design of which the three checks replicated but clones were not replicated during 2015 and 2016 growing season at Tana Beles Sugar Development Project. Data were collected for sprouting percent, number of tillers, millable stalk, plant height and visual observations were made for diseases, flowering, and over all performances. The results indicated that the clones had highly significant differences for stalk count and plant height indicating the availability of high genetic variability among the genotypes studied regarding these trait. Thus, based on the stalk count and cane height performances and by considering visual observation for flowering, diseases and etc. 46 genotypes were selected. These selected genotypes will be planted with three standard checks in three replications by using Lattice Square Design for to select best performing Sugarcane Genotypes through thoroughly selection procedures.
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贝尔斯糖业开发项目中绒毛克隆的观察轨迹
本研究是根据甘蔗种子的基本农艺性状和大量群体的目视观察,通过标准检验筛选出性能最好的甘蔗种子无性系,为下一步甘蔗生产试验提供参考。该试验采用增强随机完全区组设计,在Tana Beles糖业开发项目的2015年和2016年生长季节进行了三次重复检查,但没有重复克隆。收集了出苗率、分蘖数、可分茎数、株高等数据,并对病害、开花等进行了目测观察。结果表明,各无性系在茎数和株高上存在极显著差异,表明所研究的基因型在这些性状上具有较高的遗传变异性。因此,根据茎数和株高的表现,并考虑开花、病害等目视观察,选择了46个基因型。这些选定的基因型将通过格方设计在三个重复中进行三次标准检查,以便通过彻底的选择程序选择最佳的甘蔗基因型。
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