Dataset for: Advanced clones of group B1 cycle 5, population B (B1C5) in Comas-Peru

Group B1, cycle B1C5 of Population B (fifth cycle of recombination of the pure native Andigena group B1), is the result of a new population improvement strategy in the absence of R- genes started at CIP in 1990. The group B1 derives from the primitive cultivars of Solanum tuberosum ssp. andigena, known to be free of R genes. These clones were planted in a randomized complete block design (RCBD) with 2-4 replicates at Comas, located at 2400 to 2788 masl in Junin situated in the Central mountain ranges in Peru. The trials were established at Comas due to high disease pressure of late blight, disease endemic, highly favorable for disease development and severity during the rainy periods in these areas from 2005-2006.

种群B的B1C5循环（即纯原生安第斯B1群的第五次重组循环）对应的B1组，是1990年于国际马铃薯中心（CIP）启动的不含抗病基因（R-genes）的新型种群改良策略的研究成果。该B1组源自马铃薯安第斯亚种（Solanum tuberosum ssp. andigena）的原始栽培种质，这类材料已知不含R基因。这些无性系采用完全随机区组设计（RCBD），在秘鲁中部安第斯山区胡宁省的科马斯试验点进行种植，设置2-4次重复，该试验点海拔为2400至2788米。选择科马斯作为试验点，是因为该区域在2005至2006年的雨季期间，晚疫病（late blight）病害压力极高，属于地方性流行病害，极利于病害的发生与病情加重。