Dataset for: Advanced clones from B3C3 population

B3C3 Population is the resulted fromcrosses between the elite clones from the previous cycle of the same population made at 2011. Since 2012 until 2019 this population was evaluated for late blight resistance. 51 clones were selected having high levels of late blight resistance in Oxapampa and good tuber yield in Huancayo, both better than in the control varieties. AUDPC values are in the range of 17.50 to 705.83, lower than the AUDPC values of the Yungay and Amarilis control varieties with 1586.67 and 1534.17 respectively. The tuber yield on average in Highlands was from 20.67 to 56.41 th-1 compared to the Yungay and Amarilis varieties with 26.29 and 35.66 th-1 respectively. Under high temperature conditions, the tuber yield in the heat tolerant clones was in the range of 16.32 to 33.71th-1, higher than the Desiree and Amarilis varieties with 13.39 and 5.24 th-1 respectively). Six clones were selected that have some potential for drought tolerance, but further trials are required to confirm these results. The dry matter content of the elite clones is in the range of 17.94 to 26.92% and 33 clones have good frying quality. Twenty-eight clones showed extreme resistance to PVX and 17 to PVY. Fifteen clones have a high parental value to be used as parents in a new selection cycle or in improvement programs in the regions or countries of Latin America, Africa and Asia. Fifteen clones show phenotypic stability for tuber yield. The process of introduction of these clones to the genebank for international distribution is in progress.

B3C3群体（B3C3 Population）由2011年同一群体上一周期的优良无性系杂交获得。2012年至2019年期间，该群体针对晚疫病抗性开展了评估。其中51个无性系因在Oxapampa地区表现出高水平晚疫病抗性、在Huancayo地区具有优良块茎产量（均优于对照品种）而被选中。这些无性系的病害进展曲线下面积（AUDPC）值介于17.50至705.83之间，低于对照品种Yungay（1586.67）和Amarilis（1534.17）的对应值。高地地区的平均块茎产量为20.67至56.41吨/公顷，而对照品种Yungay和Amarilis分别为26.29吨/公顷和35.66吨/公顷。在高温条件下，耐热无性系的块茎产量为16.32至33.71吨/公顷，高于对照品种Desiree（13.39吨/公顷）和Amarilis（5.24吨/公顷）。6个无性系被筛选出具有一定耐旱潜力，但需进一步试验验证该结果。优良无性系的干物质含量介于17.94%至26.92%之间，其中33个无性系具有良好的油炸品质。28个无性系对马铃薯X病毒（PVX）表现出极端抗性，17个无性系对马铃薯Y病毒（PVY）表现出极端抗性。15个无性系作为亲本在新选择周期或拉丁美洲、非洲及亚洲地区的改良项目中具有较高的亲本价值。15个无性系在块茎产量上表现出表型稳定性。目前正推进将这些无性系纳入基因库以进行国际分发的工作。