Potasyum (K) Çözücü Bakteri (Frateuria aurantia) İçerikli Mikrobiyal Gübre Uygulamalarının Salata (Lactuca sativa) Kimi Büyüme, Kalite ve Verim Özelliklerine Etkisi

Öz

Bu araştırmada, aktif bileşeni potasyum (K) çözücü özellikli Frateuria aurantia bakterisi olan mikrobiyal gübrenin organik gübre ile kullanımının marul yetiştiriciliğine etkisinin ortaya konması amaçlanmıştır. Deneme, İzmir-Ödemiş’te 4 tekrarlamalı tesadüf blokları deneme desenine göre yürütülmüştür. Cartagenas RZ iceberg salata çeşidinin kullanıldığı çalışmada kontrol (100 L da⁻¹ gübresiz su), organik gübre (100 kg da⁻¹), mikrobiyal gübre (300 ml da⁻¹/100 L su) ve mikrobiyal gübre (300 ml da⁻¹) + organik gübre (100 kg da⁻¹) olmak üzere 4 uygulama karşılaştırılmıştır. Mikrobiyal gübre uygulamalarının bitki boyu, yaprak sayısı, kök uzunluğu, gövde çapı ve yaprak alan indeksi üzerinde etkisinin olduğu gözlenmiştir. En yüksek bitki gelişim değerleri “300 ml da⁻¹” mikrobiyal gübre 100 kg da⁻¹ organik gübre” uygulamasında ölçülmüştür. İstatistiki değerlendirmeler su ve organik madde ile mikrobiyal gübre uygulamalarının kontrol parsellerine göre bitki boyu ve yaprak alan indeksi üzerinde önemli düzeyde etkili olduğunu göstermiştir. Mikrobiyal gübrenin su ve organik madde ile uygulamalarının benzer etki gösterdiği ortaya çıkmıştır. Sonuç olarak; potasyum çözücü bakteri içerikli mikrobiyal gübrenin organik gübre ile birlikte uygulanması; kalite ve verim artırıcı etkisi nedeniyle önerilebilir.

Anahtar Kelimeler

• Frateuria aurantia
• kalite
• marul
• mikrobiyal gübre
• potasyum çözücü bakteri

The Effects of Microbial Fertilizer Containing Potassium (K) Solubilizing Bacteria Treatments on Some Growth, Quality and Yield Characteristics of Lettuce (Lactuca sativa)

Abstract

The objective of this study was to investigate the effects of microbial fertilizer [in which the effective part is potassium (K) solubilizing bacteria (Frateuria aurantia)] treatments with organic fertilizer on growth (length of aerial parts and root, stem diameter, dry weight of aerial parts and root), quality (number of leaves, leaf area index) and yield of lettuce. For this purpose, an experiment was planned to compare 4 different treatments for lettuce (Cartagenas RZ) production. The experiment was conducted with a factorial experiment design and 4 replications in the Ege Region (İzmir, Ödemiş) of Turkey for 58 days where a Mediterranean climate is dominant. Treatments include. control (100 L da⁻¹ water without any fertilizer), organic fertilizer (100 kg da⁻¹), microbial fertilizer (300 ml da⁻¹/100 L water), and microbial fertilizer (300 ml da⁻¹) + organic fertilizer (100 kg da⁻¹) groups. At the end of the experiment, it was seen that microbial fertilizer treatment had positive effects on the length of aerial parts and roots, leaf number, stem width, and leaf area index. The highest plant growth values were found with the “microbial fertilizer 100 kg da⁻¹ organic fertilizer” treatment. Statistical analysis proves that microbial fertilizer treatment with water and organic fertilizer has significant effects on the length of aerial parts and leaf area index compared to the control group. It is also seen that the treatment of microbial fertilizer with water and organic fertilizer has a similar effect. In conclusion; microbial fertilizer that is containing K solubilizing bacteria with organic fertilizer treatment can be recommended since its positive effect on better quality and higher yield.

Keywords

• Frateuria aurantia
• quality
• lettuce
• microbial fertilizer
• potassium solubilizing bacteria

Kaynakça

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