Effects of Different Concentrations Saline Water Applications on the Development of Underground and Aboveground Organs of Sudangrass (Sorghum sudanense Stapf)

Abstract

This research was carried out to determine the effects of irrigation with salt water on the development of aboveground and belowground organs of sudangrass grown in pots. The trial was established in the greenhouses of Iğdır University Agricultural Application and Research Center in 2022 according to the completely randomized design. Sudangrass plant was irrigated with 7 (seven) different concentrations of saline (control, 3, 6, 9, 12, 15 and 18 EC). In the research, root length, plant height, root dry matter, aboveground plant dry matter, root length/plant height ratio, root dry matter/plant dry matter ratio and salt tolerance percentages of the plants were determined. Salt-water application had significant effects on the development of underground and aboveground organs of Sudangrass. Root length, plant height, root dry matter, plant dry matter, root length/plant height ratio, root dry matter/plant dry matter ratio and salt tolerance percentages of Sudangrass varied between 13.4-20.7 cm, 20.5-115.8 cm, 2.7-6.8 g plant-1, 11.4-99.0 g plant-1, 18.2-65.2%, 5.6-12.0% and 32.1-100%, respectively. According to the research results, as the salt concentration in irrigation water increased, there were significant decreases in plant height, root length, root dry weight, plant dry weight and salt tolerance percentages of Sudangrass, while the ratio of root length to plant height and the ratio of root dry weight to plant dry weight increased.

Keywords

• Sudangrass
• root
• stem
• salinity
• salt tolerance percentage

Farklı Konsantrasyonlardaki Tuzlu Su Uygulamalarının Sudanotu (Sorghum sudanense Stapf)’nun Toprak Altı ve Toprak Üstü Organlarının Gelişimine Etkisi

Abstract

Bu araştırma, saksılarda yetiştirilen Sudanotu’nun toprak altı ve toprak üstü organlarının gelişimi üzerine tuzlu su uygulamalarının etkisini belirlemek amacıyla yürütülmüştür. Deneme Iğdır Üniversitesi Tarımsal Uygulama ve Araştırma Merkez Müdürlüğüne ait seralarında 2022 yılında tesadüf parselleri deneme desenine göre kurulmuştur. Sudanotu bitkisi 7 (yedi) farklı konsantrasyona sahip tuzlu su (kontrol (0), 3, 6, 9, 12, 15 ve 18 EC) ile sulanmıştır. Araştırmada bitkilerin kök uzunluğu, bitki boyu, kök kuru ağırlığı, bitki kuru ağırlığı, kök uzunluğu/bitki boyu oranı, kök kuru ağırlığı/bitki kuru ağırlığı oranı ve tuza tolerans yüzdeleri belirlenmiştir. Tuzlu su uygulaması Sudanotu’nun toprak altı ve toprak üstü organlarının gelişimi üzerine önemli etkileri olmuştur. Sudanotu’nun kök uzunluğu, bitki boyu, kök kuru ağırlığı, bitki kuru ağırlığı, kök uzunluğu/bitki boyu oranı, kök kuru ağırlığı/bitki kuru ağırlığı oranı ve tuza tolerans yüzdeleri sırasıyla 13.4-20.7 cm, 20.5-115.8 cm 2.7-6.8 g bitki-1, 11.4-99.0 g bitki-1, %18.2-65.2, %5.6-12.0 ve %32.1-100 arasında değişmiştir. Araştırma sonuçlarına göre, sulama suyundaki tuz konsantrasyonu arttıkça Sudanotu’nun bitki boyu, kök uzunluğu, kök kuru ağırlığı, bitki kuru ağırlığı ve tuz tolerans yüzdelerinde önemli düşüşler olurken, kök uzunluğunun bitki boyuna oranı ve kök kuru ağırlığının bitki kuru ağırlığına oranı ise artmıştır.

Keywords

• Sudanotu
• kök
• gövde
• tuzluluk
• tuza tolerans yüzdesi

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