Published in Scientific Papers. Series A. Agronomy, Vol. LXVII, Issue 1
Written by Denis Marian RĂDOI, Elena BONCIU, Gabriela PĂUNESCU, Cătălin Aurelian ROȘCULETE, Ramona Aida PĂUNESCU, Elena ROȘCULETE
The study of the precocity-yield relationship was carried out through two components: correlation of heading date - yield using data from national comparative crops for 3 species (wheat, triticale, barley) tested in the period 2020-2023 and the influence of species and growing season on yield, with data from a two-factor experiment, where the precocity groups tested for each species were differentiated from each other by +3-5 days (early to medium) and 8-14 days (medium to late). The results obtained showed that for none of the species in any of years was there a correlation between precocity expressed in days from January 1st and yield, mainly due to the fact that the varieties tested were not highly differentiated in terms of growing season. There were no differences regarding yield for wheat and triticale, but differences were obvious regarding yield for wheat and barley (20.19 q/ha) and triticale and barley (23.73 q/ha). About growing season, there were differences between the yields of medium-early, as well as medium-late varieties, but no differences were highlighted between the yields of early-late varieties.
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