Table 1.
Clones of the LBHT population cycle 2 with resistance to Late blight used in this study 2021–2022.
Table 2.
Sites where the trials were carried out. 2021–2022 growing season.
Table 3.
Analysis of variance by location for area under disease progress curve (AUDPC), late blight susceptibility scale (sAUDPC), marketable and total tuber yield (t/ha), without and with late blight control (Huánuco and Oxapampa, 2021–2022).
Table 4.
Tukey mean comparison test (α = 0.05) for area under disease progress curve (AUDPC), late blight susceptibility scale (sAUDPC), without late blight control (Huánuco and Oxapampa 2021–2022).
Fig 1.
Resistance to late blight (AUDPC) in potato clones.
Huánuco and Oxapampa 2021–2022.
Table 5.
Marketable and total tuber yield, without and with late blight control in Huánuco and Oxapampa (2021–2022).
Table 6.
Environmental Impact Rate in clones and varieties control in Huánuco and Oxapampa 2021–2022.
Table 7.
Economic profitability of potato clones resistant to late blight (2021–2022).
Table 8.
Additive main effects multiplicative interaction (AMMI) model analysis for marketable tuber yield (2021–2022).
Fig 2.
Biplot using principal components 1 and 2 (CP1, CP2) of 30 clones, three control varieties and three locations for marketable tuber yield (2021–2022).
Table 9.
Principal components AMMI, Marketable Yield (MY), Stability value AMMI (SVAMMI), Marketable Yield stability Index (MYSI), AUDPC, sAUDPC, Environmental Impact Rate (EIR) in Huánuco, Oxapampa and El Mantaro (Junin) (2021–2022).
Fig 3.
Biplot of potato clones of marketable tuber yield versus principal component 1 (PC1) in three locations in Peru (2021–2022).