Gebze Technical University Institute of Biotechnology
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Plant Biotechnology, Physiology and Nutrition Lab
Principal investigators

Bahar Yıldız Kutman

Principal Investigator · Assist. Prof. Dr.

Bahar Yıldız Kutman is an Assistant Professor at the Institute of Biotechnology, Gebze Technical University, and co-leads the Plant Biotechnology, Physiology and Nutrition Lab. She studied Biological Sciences and Bioengineering at Sabancı University (BSc 2008, PhD 2013) and worked at Konya Food and Agriculture University and at the University of California, Davis before joining GTÜ.

Her research is on plant biology and biotechnology, soilless and vertical farming, biostimulants and plant nutrition products, seed treatments and sustainable agriculture. Much of it is aimed at turning laboratory findings into products and practices that growers can use.

Draft biography compiled from public sources. Please edit.

Selected publications

All publications

Projects

All projects

Conference presentations

All presentations
Oral

A Comparative Assessment of Duckweed Grown in Different Types of Agricultural Wastewater for Mineral Phytoextraction

Bildiri R.B., Tutkun-Akdeniz K., Yıldız-Kutman B., Kutman Ü.B.

2nd International Conference on Circularity, Sustainability, and Resilience in Water, Wastewater and Sludge Management (CSRW26), Thessaloniki, Greece · 29 March – 1 April 2026

Oral

Utilization of Duckweed for the Phytoextraction of Boron and Other Nutrients from Agricultural Drainage Water for the Production of an Organic Slow-Release Fertilizer

Kutman Ü.B., Tutkun-Akdeniz K., Bildiri R.B., Yıldız-Kutman B.

International Boron Symposium (BORON 2025), Ankara, Türkiye · 3–5 December 2025

Poster

Wheat Growth Response to Mycorrhizal-Bacterial Consortia as Biofertilizers Depends on Soil Type, pH, and Native Microbial Activity

Günçaldı E.Ö., Tutkun-Akdeniz K., Sagun Ç., Kaya-Özdoğan D., Yıldız-Kutman B., Kutman Ü.B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Wheat Growth Promotion by Seed-Applied Liquid Microbial Fertilizers: Influence of Soil pH and Nutrient Supply

Tutkun-Akdeniz K., Günçaldı E.Ö., Sagun Ç., Kaya-Özdoğan D., Kutman Ü.B., Yıldız-Kutman B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Seaweed-Derived Extracts Alleviate the Adverse Impacts of Salt Stress on Wheat Grown in Hydroponic Systems

Mutlu-Durak H., Arıkan-Algül Y., Kutman Ü.B., Yıldız-Kutman B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Seaweed-Based Biostimulants Derived from Cystoseira Barbata Promote Growth and Stress Resilience in Wheat

Arıkan-Algül Y., Mutlu-Durak H., Kutman Ü.B., Yıldız-Kutman B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Potential Contribution of Steel Slag to Safe and Sustainable Lettuce Production

Bildiri R.B., Aras S., Baglan C., Isik O., Yıldız-Kutman B., Kutman Ü.B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Investigation of the Effects of Boron Deficiency and Fertilization on Symbiosis and Biological Nitrogen Fixation in Alfalfa (Medicago sativa) with Ensifer meliloti (Sinorhizobium meliloti)

Ayyıldız B., Günçaldı E.Ö., Mutlu-Durak H., Yıldız-Kutman B., Kutman Ü.B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Investigation of the Biostimulant Effect of the Cold Press Extract of the Brown Seaweed Cystoseira barbata on Lettuce

Akpınar S., Mutlu-Durak H., Kutman Ü.B., Yıldız-Kutman B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Improving Lettuce Growth and Quality in Deep Water Culture Systems Using Cystoseira barbata Extract-Enriched Nutrient Solutions

Mutlu-Durak H., Arıkan-Algül Y., Kutman Ü.B., Yıldız-Kutman B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

From Waste to Growth: Biochar-Based Substrates as Cost-Effective Alternative to Cocopeat in Soilless Pepper Cultivation

Taştan Ö.F., Çelik E., Yıldız-Kutman B., Doğru M., Kutman Ü.B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Oral

Effects of Duckweed Amendment on Cucumber Shoot Growth under Varying Soil Boron Conditions

Bildiri R.B., Tutkun-Akdeniz K., Yıldız-Kutman B., Kutman Ü.B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Can Bacteria Turn Rice Straw into a Biofertilizer for Rice?

Şengül E., Sesal N.C., Yıldız-Kutman B., Kutman Ü.B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Biofortification Potential of Zinc-Enriched Duckweed (Lemna minor) and Its Role in Mitigating Heavy Metal Stress in Lettuce (Lactuca sativa)

Tutkun-Akdeniz K., Gökcük B., Yıldız-Kutman B.

2nd International Congress on Biotech Solutions for Sustainability (Biotech4Sus'25), Gebze Technical University, Kocaeli, Türkiye · 21–24 October 2025

Poster

Effects of Far-Red and Green Light on Yield and Quality Parameters of Lettuce in a Soilless Vertical Indoor Farm

Selman E.T., Kutman Ü.B., Yıldız-Kutman B.

9th Graduate Research Symposium, Gebze Technical University, Kocaeli, Türkiye · 26–27 May 2025

Oral

Investigation of electric-arc-furnace slag for sustainable wheat and lettuce production

Bildiri R.B., Aras S., Baglan C., Isik O., Yıldız-Kutman B., Kutman Ü.B.

ESTEP-FEhS Workshop: The role of slags and other by-products within circular economy in the steel industry, Düsseldorf, Germany · 5–6 March 2025

Oral

Valorization of Steel Slag as a Safe Soil Amendment for Sustainable Crop Production

Bildiri R.B., Aras S., Baglan C., Isik O., Yıldız-Kutman B., Kutman Ü.B.

12th European Slag Conference (EUROSLAG 2024), Bilbao, Spain · 23–25 October 2024

Oral

Valorization of Steel Slag as a Safe Soil Amendment for Sustainable Crop Production

Bildiri R.B., Aras S., Baglan C., Isik O., Yıldız-Kutman B., Kutman Ü.B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Poster

Utilization of Duckweed (Lemna minor) for the Bioremediation of Agricultural Wastewater and Production of Biofertilizer

Tutkun-Akdeniz K., Şengül E., Yıldız-Kutman B., Kutman Ü.B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Poster

Presowing Treatment with Various Extracts from the Brown Seaweed (Cystoseira barbata) Influences Wheat Seedlings Growth

Mutlu-Durak H., Arıkan-Algül Y., Bayram E., Haznedaroğlu B., Kutman Ü.B., Yıldız-Kutman B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Poster

Investigating the Impact of Selenium Biofortification on Watercress

Tutkun-Akdeniz K., Günger E., Turan N.U., Arisan E.D., Yıldız-Kutman B., Kutman Ü.B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Poster

Foliar Application of Brown Seaweed (Cystoseira barbata) Extracts Stimulate Durum Wheat Growth and Yield

Arıkan-Algül Y., Mutlu-Durak H., Kutman Ü.B., Yıldız-Kutman B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Poster

Comparison of Growth Performance of Green and Purple Basil in Deep Water Cultutr Versus Peat Substrate

Tutkun-Akdeniz K., Yıldız-Kutman B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Poster

Biochar-Perlite Mixtures as Novel Substrates for Soilless Systems

Taştan Ö.F., Çelik E., Bütün B., Yıldız-Kutman B., Doğru M., Kutman Ü.B.

1st International Congress on Biotech Solutions for Sustainability (Biotech4Sus'24), Gebze Technical University, Kocaeli, Türkiye · 7–10 May 2024

Oral

Comparative Growth of Green Basil and Purple Basil in Deep Water Culture vs. Peat

Tutkun-Akdeniz K., Yıldız-Kutman B.

6th International Eurasian Conference on Biological and Chemical Sciences (EurasianBioChem 2023), Ankara, Türkiye · 11–13 October 2023

Oral

The Investigation of Watercress as Affected by Selenium Biofortification

Tutkun-Akdeniz K., Günger E., Turan N.U., Yıldız-Kutman B., Kutman Ü.B., Arisan E.D.

International Biotechnology Congress (BIO Türkiye 2023), İstanbul, Türkiye · 28–30 September 2023

Oral

Symbiosis with Beneficial Soil Fungi Promotes Growth and Affects Abiotic Stress Tolerance of Wheat Grown in Soilless Culture

Günçaldı E.Ö., Yılmaz H., Yıldız-Kutman B., Tunca-Gedik S., Kutman Ü.B.

International Biotechnology Congress (BIO Türkiye 2023), İstanbul, Türkiye · 28–30 September 2023

Oral

Selenium Biofortification of Commercial Greenhouse Tomatoes Grown in a Soilless System

Taştan Ö.F., Yıldız-Kutman B., Kutman Ü.B.

International Biotechnology Congress (BIO Türkiye 2023), İstanbul, Türkiye · 28–30 September 2023

Oral

Potential Biostimulant Effect of Brown Seaweed Extracts (Cystoseira barbata) on Tomato Growth and Quality

Arıkan-Algül Y., Mutlu-Durak H., Kutman Ü.B., Yıldız-Kutman B.

5th International Conference on Agricultural, Biological and Life Science (AGBIOL 2023), Edirne, Türkiye · 18–20 September 2023

Oral

The Investigation of the Anti-Cancer Potential of Watercress as Affected by Selenium Nutrition

Günger E., Tutkun-Akdeniz K., Yıldız-Kutman B., Kutman Ü.B., Arisan E.D.

7th Graduate Research Symposium, Gebze Technical University, Kocaeli, Türkiye · 31 May – 1 June 2023

OralOnline

Seaweed Liquid Extracts (Cystoseira barbata) as a Biostimulant Agents for Wheat Plant

Mutlu-Durak H., Arıkan-Algül Y., Yıldız-Kutman B.

1st International Congress on Biotech Studies (ICBIOS 2022), İstanbul, Türkiye · 9–11 November 2022

Oral

Development of IoT Based Hydroponic Smart Garden

Tutkun-Akdeniz K., Yıldız-Kutman B.

1st International Congress on Biotech Studies (ICBIOS 2022), İstanbul, Türkiye · 9–11 November 2022

Poster

Functionalizing Commercial Soilless Tomatoes via Se Biofortification

Taştan Ö.F., Yıldız-Kutman B., Kutman Ü.B.

ISNFF 2022 Annual Conference and Exhibition (ISNFF 2022), İstanbul, Türkiye · 2–5 October 2022

Poster

Extracts obtained from Cistus creticus, cultivated at varied levels of salinity, exhibit promising therapeutic potential for pancreatic cancer cell lines

Arıkan-Algül Y., Özbekle B., Arisan E.D., Yıldız-Kutman B.

ISNFF 2022 Annual Conference and Exhibition (ISNFF 2022), İstanbul, Türkiye · 2–5 October 2022

PosterAward: 3rd prize, poster

Enhancing Health Benefits of Strawberry as a Functional Food by Biofortification with Selenium and Iodine

Çataler-Karakuş A., Yıldız-Kutman B., Kutman Ü.B., Kurnaz I., Arisan E.D.

ISNFF 2022 Annual Conference and Exhibition (ISNFF 2022), İstanbul, Türkiye · 2–5 October 2022

Poster

Biofortification of Soilless Lettuce with Selenium and Zinc

Bayrak A., Yıldız-Kutman B.

ISNFF 2022 Annual Conference and Exhibition (ISNFF 2022), İstanbul, Türkiye · 2–5 October 2022

Oral

Evaluating of the Effects of Arbuscular Mycorrhiza and Piriformospora indica on Growth, Root Morphology, and Stress Tolerance of Wheat Grown in Soilless Culture

Günçaldı E.Ö., Yılmaz H., Yıldız-Kutman B., Tunca-Gedik S., Kutman Ü.B.

3rd International Congress on Plant Biology, Rize, Türkiye · 21–23 September 2022

OralOnline

Investigation of Biostimulant Effects of Cystoseira barbata Extracts on Soil Grown Broccoli Plants

Arıkan-Algül Y., Mutlu-Durak H., Yıldız-Kutman B.

4th Balkan Agricultural Congress, Edirne, Türkiye · 31 August – 2 September 2022

OralOnline

Usage of Willow Extracts as Plant-Based Biostimulants in Hydroponic Systems

Mutlu-Durak H., Yıldız-Kutman B.

2nd International Graduate Studies Congress (IGSCONG'22) · 8–11 June 2022

OralOnline

Investigation of salinity stress on growth and physiology of hydroponically grown Cistus creticus as a medicinal aromatic plant and its potential of use in anti-cancer treatment

Arıkan-Algül Y., Özbekle B., Arisan E.D., Yıldız-Kutman B.

2nd International Graduate Studies Congress (IGSCONG'22) · 8–11 June 2022

PosterOnline

Investigation of anti-cancer effects Cistus creticus Grown under Salinity Stress in Pancreatic Cancer Cell Lines

Özbekle B., Arıkan-Algül Y., Yıldız-Kutman B., Arisan E.D.

4th Congress of Cell Death Research Society Turkey with International Participation · 17–19 March 2022

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