Responses of grain yield, biomass and harvest index and their rates of genetic progress to nitrogen availability in ten winter wheat varieties

By E. White, F. Wilson. 2006

84 citations recorded by the source corpus.

(0.34%/year; R 2 = 0.001), increased as year increased. Genetic gain in yield was smaller without fertiliser N (0.021 t ha −1 y −1 ; R 2 = 0.21) and at 40 kg ha N (0.025 t ha −1 y −1 ; R 2 = 0.25) than at 215–250 kg/ha N (0.065 t ha −1 y −1 ; R 2 = 0.39). Theoretically, if the maximum biomass (18.60 t/ha for Rialto), could have been combined with the maximum harvest index (55.3%) in Riband, yield would potentially have been increased by 2.5 t/ha compared with yields for either variety.

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Citations in the corpus

• Data fusion of spectral, thermal and canopy height parameters for improved yield prediction of drought stressed spring barley (2016, background): “The yields were improved by including dwarf genes and by altering the harvest index towards a higher proportion of grain in the biomass and by increasing biomass growth (White and Wilson, 2006).”