PHENOTYPIC RESPONSE OF SPRING WHEAT PERSPECTIVE LINE GENOTYPES TO DIFFERENT ENVIRONMENTAL CONDITIONS

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Ionut RACZ
Diana HIRISCAU
Rozalia KADAR
Ioana BERINDEAN

Abstract

Spring wheat can be a viable alternative for satisfying the agri-food market. A performant genotype is characterized by high adaptability to different environmental conditions, high grain yield capacity, and yield stability. Three new spring wheat genotypes created at Agricultural Research and Development Station from Turda were tested in six different field conditions at the State Institute for Testing and Registration of Varieties Centres for plant physiological attributes, yield, and quality indices in comparation with Pădureni variety. Regarding the vegetation period, the new spring wheat varieties have the same growing season as the control genotype, with minor differences being observed for the generative stage. Thousand kernel weight has a large variability between test centers for all studied genotypes and in the hectolitre weight and grain yield. Based on the correlation coefficient the rainfalls from the second decade of May have a positive influence on the grain yield level, respectively the rainfalls from the second decade of June influenced negative hectolitre weight. Compared to the control genotype- Pădureni- the three new genotypes are productively superior with 21 to 33%. The quality indices for studied spring wheat genotypes are close to the control genotype which means that improvement of grain yield was achieved without sacrificing its quality.

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General