Effect of Rhizobacteria (PGPR) and LiQuid Vermicompost Applications on Yield and Yield Coponents in Lettuce (Lactuca sativa L.) Culture

Lettuce (Lactuca sativa L.) is a type of vegetable that can be produced in almost every region of Turkey and is consumed throughout the year. Product yield and quality decrease in soils with poor organic matter content. Rhizobacteria (PGPR) and Liquid vermicompost, which support plant growth, were used in the study carried out to increase crop yield and improve soil. In the study; plant head length, head diameter, root collar diameter, leaf fresh and dry weight, root length, leaf number, head weight, water-soluble dry matter content and plant nutrient content (N, P, K, Ca, Mg, Fe, Zn and Cu) was measured. As a result of different PGPR strains and vermicompost applications, when single PGPR applications and PGPR and vermicompost combination applications are compared; It has been observed that PGPR+VC applications are more effective in increasing the yield, development and nutrient content of lettuce plant. Among the applications in the study, the combination of YÖ41+VC (bacteria+vermicompost) came to the fore. As a result; the PGPR+VC combination used in the study made a significant contribution to the yield components with its effect on the head weight, number of leaves, stem length and diameter, N, P, K, Ca, Mg and Fe contents of the lettuce plant.

Keywords:

Lettuce, Rhizobacteri, Organicfertilizers Yield,

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