Enhancing sugar beet yield and soil microbial activity under water-limited conditions through mycorrhizal and bacterial inoculations

Yıl 2025, Cilt: 30 Sayı: 2, 347 - 364, 21.08.2025

Ali Sarıoğlu , Sabri Akın , Cengiz Kaya , Mehmet Şimşek

https://doi.org/10.37908/mkutbd.1608245

Öz

Aim of this study is to investigate the effects of mycorrhizal and bacterial inoculations on sugar beet yield and soil microbial activity under varying water stress conditions. The field experiment was conducted over two successive years with three different irrigation levels: 33% (I1), 66% (I2), and 100% (I3). Mycorrhiza (Mikostar BTH-100) containing Glomus intraradices, Glomus mosseae, Glomus fasciculatum, and Glomus etunicatum, along with Bradyrhizobium japonicum bacteria, were applied to seeds during planting. Results showed that both applications significantly improved sugar beet yield and soil microbial activity compared to the control treatment. Mycorrhiza was particularly effective under full irrigation (I3), while bacterial inoculations showed stronger effects under moderate and low irrigation levels (I2 and I1, respectively). The highest yield (10130 kg/da) was observed under full irrigation with mycorrhiza treatment, while the lowest yield (3917.33 kg/da) was recorded in the control group under low irrigation. Soil microbial analyses revealed significant enhancements in CO₂ respiration, dehydrogenase activity (DHA), and microbial biomass carbon (MBC) in treated soils. These findings highlight the potential of mycorrhiza and bacteria to enhance plant performance and soil health under water-limited conditions, contributing to sustainable agricultural practices.

Anahtar Kelimeler

Sugar beet , Mycorrhizae , Bacterium , Water stress

Proje Numarası

18148

Mikoriza ve bakteri uygulamalarının su stres koşulları altında şekerpancarı verimi ve toprak mikrobiyal aktivitesine etkisi

Öz

Bu çalışmanın amacı, farklı su stres koşulları altında mikoriza ve bakteri uygulamalarının şekerpancarı verimi ve toprak mikrobiyal aktivitesi üzerindeki etkilerini araştırmaktadır. Deneme, iki yıl boyunca arazi koşullarında ve üç farklı sulama düzeyinde (I₁: %33, I₂: %66, I₃: %100) yürütülmüştür. Bradyrhizobium japonicum bakterileri ile birlikte Glomus intraradices, Glomus mosseae, Glomus fasciculatum ve Glomus etunicatum içeren Mycorrhiza (Mikostar BTH-100) ekim sırasında tohumlara uygulandı. Elde edilen sonuçlar, her iki uygulamanın da kontrole kıyasla şeker pancarı verimini ve toprak mikrobiyal aktivitesini önemli ölçüde geliştirdiğini gösterdi. Mikoriza özellikle tam sulama (I3) altında etkili iken, bakteriyel aşılamalar orta ve düşük sulama seviyeleri altında daha güçlü etkiler gösterdi (sırasıyla I2 ve I1). En yüksek verim (10130 kg/da) mikoriza tedavisi ile tam sulama altında gözlenirken, en düşük verim (3917.33 kg/da) düşük sulama altında kontrol grubuna kaydedildi. Toprak mikrobiyal analizleri, işlenmiş topraklarda CO₂ solunum, dehidrojenaz aktivitesi (DHA) ve mikrobiyal biyokütle karbonunda (MBC) önemli gelişmeler ortaya koymuştur. Bu bulgular mikoriza ve bakterilerin su sınırlı koşullar altında bitki performansını ve toprak sağlığını artırma potansiyelini vurgulamakta ve sürdürülebilir tarım uygulamalarına katkıda bulunmaktadır.

Anahtar Kelimeler

Şeker pancarı , Mikoriza , Bakteri , Su stresi

Proje Numarası

18148

Kaynakça

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