Article
Effects of systematic data reduction on trend estimation from German registration trials.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik - 1 Jan 2023
Hartung Jens, Laidig Friedrich, Piepho Hans-Peter
Abstract excerpt
KEY MESSAGE: VCU trials can provide unbiased estimates of post-breeding trends given that all data is used. Dropping data of genotypes tested for up to two years may result in biased post-breeding trend estimates. Increasing yield trends are seen on-farm in Germany. The increase is based on genetic trend in registered genotypes and changes in agronomic practices and climate. To estimate both genetic and...
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