Determination of Yield and Yield Characteristics of Some Barley (Hordeum vulgare L.) Genotypes Under Supplemental Irrigation Conditions in Van

This research was carried out to investigate the adaptability abilities of some barley varieties in Van ecological conditions in the winter growing season of 2020-2021. Sixteen genotypes were grown according to randomized block design with three replications. The quantity of supplemental irrigation was equivalent to a total precipitation of 114 mm. According to the results obtained, the number of days to spike was 167.67-175.66 days, plant height 63.37-91.85 cm, number of spikes per square meter 403.67-619.67, lodging 0-10%, chlorophyll ​​​​45.34- 53.09 SPAD units, maturity period 36.0-36.7 days, canopy temperature 30.0-30.4 oC, spike length 7.30-9.96 cm, number of spikelets per spike 33.8-21.7, number of fertile spikelets 7.13-15.73, thousand grain weight 36.67-45.83 g, hectolitre weight 62.30 – 66.10 kg/hl, biological yield ​​20.36-20.45 t/ha, and grain yield 3.08–6.98 t/ha. The highest grain yield was obtained from two row barley varieties; Calabey, Akar, Tosunpasa and Asil. The highest biological yield was measured in Anka-11 and Aydanhanim cultivars.