4. Uluslararası Gıda, Tarım Ve Veteriner Bilimleri Kongresi, Van/Türkiye, Van, Turkey, 27 - 28 May 2022, vol.4, no.1, pp.501-502
This research was carried out to determine the effects of some chemical fertilizers and plant growth
promoting bacteria (PGPR: Bacillus megaterium, Bacillus subttilis, Lactococcus spp.) combinations on
yield and yield components of five barley cultivars (Tarm, Beysehir, Konevi, Karatay and Kral). The
research was carried out according to the randomized blocks in split plot design with three replications
in the 2017-2018 vegetation period.
In the research, the effects of the applications on grain yield, total yield, harvest index, spiking time,
spike maturation time, number of spike per square meter, plant height, number of spikelets per spike,
number of grains per spike and 1000 grain weights were investigated.
Accordingly, the differences between the number of spikes per square meter of the cultivars were
significant (p˂0.05), while the differences between the remaining features were very significant
(p˂0.01). The differences between the average values of the grain yield, total yield, spiking time, plant
height and number of spikelets per spike were very significant (p˂0.01), while the differences between
the average number of grains per spike were significant (p˂0.05). The effects of the interactions on
grain yield, total yield, harvest index, spiking time and spike maturation time were very significant
Tarm cultivar had the highest values such as grain yield (423 kg/da), total yield (1748 kg/da), number
of spikes per square meter (569.17), spike length (17.01) and 1000 grain weight (51.33 g). Kral cultivar
had the lowest values in grain yield, total yield, spike maturation time, number of spike per square meter,
plant height, spike length and 1000 grain weight. 100+B application (10 kg/da DAP with sowing; 6.2
kg N/da + PGPR before stepping in spring) had the highest grain yield, total yield, spike maturation time
and plant height values.
It has been determined that the winter sowing time has a restrictive effect on the PGPR effect, therefore,
barley planting in the early winter sowing period will be more beneficial on the PGPR effect.