Abstract
ABSTRACT Wheat is a crop of great food importance for food production in Brazil. However, the improvement of this crop is still concentrated in isolated areas, which hinders advances in new cultivation regions due to the extensive demand for existing information. In this investigation, four wheat genotypes analysed to study associations and interrelationships between wheat traits across nine environments during the agricultural years of 2016, 2017 and 2018. The experiment was conducted using a randomised block design with four repetitions, and the analysis was divided into two groups: morphological and productive traits of wheat, comprising three and eleven characteristics, respectively. Canonical correlations between the morphological and productive groups were found to be dependent in most environments. Taller plants with longer main spikes and longer tiller spikes can be indirectly selected to increase grain yield under different sowing conditions. The information generated in this study indicate that some care must be taken when using the interrelations between trait groups to select or recommend genotypes for broader regions, as these relationships are influenced by the specific conditions of each region and sub-region.
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