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Chilean Journal of Agricultural Research
Instituto de Investigaciones Agropecuarias, INIA
ISSN: 0718-5820
EISSN: 0718-5839
Vol. 76, No. 2, 2016, pp. 152-157
Bioline Code: cj16021
Full paper language: English
Document type: Research Article
Document available free of charge

Chilean Journal of Agricultural Research, Vol. 76, No. 2, 2016, pp. 152-157

 en GGE biplot analysis of multi-environment yield trials of rice produced in a temperate climate
Donoso-Ñanculao, Gabriel; Paredes, Mario; Becerra, Viviana; Arrepol, Camila & Balzarini, Mónica

Abstract

Low temperature is one of the main environmental constraints for rice ( Oryza sativa check for this species in other resources L.) grain production yield. It is known that multi-environment studies play a critical role in the sustainability of rice production across diverse environments. However, there are few studies based on multi-environment studies of rice in temperate climates. The aim was to study the performance of rice plants in cold environments. Four experimental lines and six cultivars were evaluated at three locations during three seasons. The grain yield data were analyzed with ANOVA, mixed models based on the best linear unbiased predictors (BLUPs), and genotype plus Genotype × Environment interaction (GGE) biplot. High genotype contribution (> 25%) was observed in grain yield and the interaction between genotype and locations was not very important. Results also showed that ‘Quila 241319’ was the best experimental line with the highest grain yield (11.3 t ha-1) and grain yield stability across the environments; commercial cultivars were classified as medium grain yield genotypes.

Keywords
BLUPs; GGE biplot; temperate rice; yield stability

 
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