PJB-2023-86
The Effects of Rhizobacteria on Yield and Yield Components in Cauliflower (Brassica oleracea var. botrytis L.) Cultivation.
Yusuf ÇELİK
Abstract
The Corona virus (COVID-19) pandemic, which started to show its impact in the world in a devastating way at the beginning of 2020, has significantly increased the input costs in the agricultural sector, which is of vital importance for the sustainability of both life and economy. In this study, bacterial strains with high biological nitrogen fixing and phosphorus solubility (PGPR) properties were used in cauliflower (Brassicaoleracea var. Botrytis L.) cultivation to reduce the dependence on high cost commercial fertilizers under field conditions and increase crop productivity. At the end of the study, crown length, crown diameter, stem diameter, stem length, crown weight, leaf length, leaf diameter, marketable yield and number of leaves were measured. 6 different strain (SA7, SB39, YÖ19, YÖ15, YÖ41, SK72 ) were used as a first group. Chemical fertilizer ( 100 kg/ha N, 45 kg/ha P ve 150 kg/ha K) were used as the other group. Study was conducted with randomized block design with 4 replicate. The results of the study demonstrated that bacteria application was significant on the plant growth. There was significant differences in cauliflower that were trated with bacteria. According to the result of study each bacteria treatments had positive effect on plant growth but YÖ41 was reallly attractive on the plant growth quality traits. Control group had lover values than others. When the effects of the applications on the leaf nutrient contents were examined, it was observed that the other applications, except the control application, had a positive effect on the nutrient contents, and YÖ41 bacterial strain was becaming prominent. As a result of the research, it was concluded that the PGPR applications used in cauliflower plants had a positive effect on plant growth, quality characteristics and mineral substance content, therefore it was concluded that the use of PGPRs in economic cauliflower cultivation would be appropriate.
Key words: PGPR, Cauliflower, Yield, Quality, Bacterial strains, Plant growth
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