Breeding new sugarcane clones by mixed models under genotype by environmental interaction.
Breeding new sugarcane clones by mixed models under genotype by environmental interaction.
Author(s): GONÇALVES, G. M.; VIANA, A. P.; AMARAL JUNIOR, A. T. do; RESENDE, M. D. V. de
Summary: Sugarcane (Saccharumspp.) is one of the most important crops cultivated in the tropics and subtropics and plays a signifi cant economic and environmental role in Brazil. Twenty- four new clones were evaluated in different locations as potential models for recommendation as new varieties. The mixed model methodology, using the harmonic mean of the relative per- formance of genetic values (MHPRVG), facilitated the analysis of genotypic stability and adapt- ability, culminating in the recommendation of clones for each location. MHPRVG ranked clones RB92579, RB867515, SP81-3250, RB947520 and RB931530 as the best fi ve, and, addition- ally, clones with greater genotypic potential were identifi ed for each test in the six localities.
Publication year: 2014
Types of publication: Journal article
Unit: Embrapa Forestry
Keywords: Cana de Açúcar, Clone, Melhoramento genético, Mixed models, Modelo misto, Saccharum, sugarcane
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