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EFFECT OF GENOTYPE AND SOWING DATE ON YIELD AND YIELD COMPONENTS OF FACULTATIVE WHEAT IN TRANSYLVANIA PLAIN

Published in AgroLife Scientific Journal, Volume 9, Number 1
Written by Diana MUREȘAN, Adina VARADI, Ionuţ RACZ, Rozalia KADAR, Adrian CECLAN, Marcel M. DUDA

Field experiments were conducted for two successive seasons during 2017/2018 and 2018/2019 at ARDS Turda to asset the performance of three different facultative wheat genotypes under different sowing dates. The experiment was laid out in split plot design with three replicates and comprised of five dates of sowing, noted I to V (I-III sown in autumn, IV - V sown in spring), in main plots and three facultative wheat genotypes (Taisa, Ciprian and Lennox) in subplots. Two years results revealed that in autumn sowing conditions, facultative wheat sown at the end of Oct. - beginning of Nov. performed better in number of productive tillers/plant, number of grains/spike, weight of grains/spike and grain yield. In the 1st season, Taisa had the highest grain yield (7.80 t ha-1), but in the 2nd Ciprian performed better (7.63 t ha-1). In spring sowing conditions, the facultative wheat needs to be sown as early as possible, especially Taisa (long growth cycle, later heading time). A delay in spring sowing tends to decrease number of tillers/plant, number of productive tillers/plant, weight of grains/spike and grain yield. Lennox performed better than Taisa and Ciprian in both seasons.

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