Linking Climate Change Awareness with Disease, Pest, and Weed Dynamics in Tea (Camellia sinensis) Cultivation

Mahmut Muhammet Bayramoğlu; Songül Yıldız; Ahmet Midilli; Yeşim Öztürk Yilmaz; Zeynep Bayramoğlu

doi:10.35229/jaes.1766599

TR EN

İklim Değişikliği Farkındalığı ile Çay (Camellia sinensis) Yetiştiriciliğinde Hastalık, Zararlı ve Yabancı Ot Dinamikleri Arasındaki İlişki

Öz

Öz İklim değişikliği, hastalıkların, zararlı böceklerin ve yabancı otların yaygınlık ve şiddetini değiştirerek çay (Camellia sinensis) üretimi için önemli tehditler oluşturmaktadır. Bu çalışma, Türkiye’nin Doğu Karadeniz Bölgesi’nde 713 çay üreticisinin iklim değişikliği ve bunun biyotik stres faktörleri üzerindeki etkilerine ilişkin algı ve deneyimlerini incelemektedir. Demografik bilgiler, farkındalık düzeyi ve arazi gözlemlerini kapsayan yapılandırılmış anketler yüz yüze uygulanmıştır. İklim değişikliği farkındalığı, gözlenen biyotik stres faktörleri ve yönetim uygulamaları arasındaki ilişkileri analiz etmek için tanımlayıcı istatistikler ve tek yönlü ANOVA kullanılmıştır. Sonuçlar, üreticilerin iklim değişikliği farkındalığının yüksek olduğunu (%89,9) ve çay tarımı üzerindeki olumsuz etkilerini kabul ettiklerini (%91,3) ancak yalnızca %2,9’unun uyum önlemleri aldığını göstermiştir. Gri yaprak yanıklığı (Pestalotiopsis spp.) en yaygın hastalık (%57,5) olarak belirlenirken, sarı çay akarı (%52) en sık gözlenen zararlı olmuştur; her ikisi de yaygın şekilde verim kaybıyla ilişkilendirilmiştir. Asya günlük otu, dikenli sarmaşık ve telgraf çiçeği gibi istilacı yabancı otlar katılımcıların %73,5’i tarafından bildirilmiş, %96,1’i bu türlerin verim kaybına yol açtığını ifade etmiştir. İklim değişikliği farkındalığı ile hastalık, zararlı ve yabancı ot baskısındaki artış algısı arasında anlamlı istatistiksel ilişkiler bulunmuştur (p<0,05). Bulgular, çay verimi ve kalitesini değişen iklim koşullarında korumak için iklim dostu, entegre yönetim stratejilerine, üretici eğitimine ve politika müdahalelerine acil ihtiyaç olduğunu ortaya koymaktadır.

Anahtar Kelimeler

Camellia sinensis , İklim değişikliği , zararlılar , hastalıklar , yabancı otlar

Linking Climate Change Awareness with Disease, Pest, and Weed Dynamics in Tea (Camellia sinensis) Cultivation

Abstract

Abstract Climate change poses a significant threat to tea cultivation (Camellia sinensis) by altering the incidence and severity of diseases, pests, and weeds. This study investigates the perceptions and experiences of 713 tea producers in the Eastern Black Sea region of Turkey regarding climate change and its impact on biotic stress. Data was collected through structured, face-to-face surveys that included demographic, awareness, and field observation components. Descriptive statistics and one-way ANOVA were used to analyses the relationships between climate change awareness, observed biotic stressors and management practices. The results showed high awareness of climate change (89.9%) and its perceived negative impacts on tea production (91.3%), but only 2.9% of growers had taken adaptation measures. Grey leaf spot disease (Pestalotiopsis spp.) was the most common disease (57.5%), while yellow tea mite (52%) was the most observed pest; both are often associated with yield loss. Invasive weeds such as Asiatic daylily, prickly bindweed, and telegraph bindweed were mentioned by 73.5% of respondents, with 96.1% of respondents attributing yield losses to them. A significant statistical correlation was found between awareness of climate change and the perception of increased pressure from diseases, pests and weeds (p<0.05). The results emphasize the urgent need for climate-adapted, integrated management strategies, producer education, and policy measures to safeguard tea yields and quality under changing climatic conditions.

Keywords

Camellia sinensis , Climate change , pests , diseases , weeds

Kaynakça

Ahmed, S., Griffin, T.S., Kraner, D., Schaffner, M.K., Sharma, D., Hazel, M., Leitch, A.R., Orians, C.M., Han, W., Stepp, J.R., Robbat, A., Matyas, C., Long, C., Xue, D., Houser, R.F., & Cash, S.B. (2019). Environmental factors variably impact tea secondary metabolites in the context of climate change. Frontiers in Plant Science, 10, 939. https://doi.org/10.3389/fpls.2019.00939
Ahmed, S., Stepp, J.R., Orians, C., Griffin, T., Matyas, C., Robbat, A., Cash, S., Xue, D., Long, C., Unachukwu, U., Buckley, S., Small, D., & Kennelly E. (2014). Effects of Extreme Climate Events on Tea (Camellia sinensis) Functional Quality Validate Indigenous Farmer Knowledge and Sensory Preferences in Tropical China. PLOS ONE, 9(10), e109126. https://doi.org/10.1371/journal.pone.0109126
Angelotti, F., Hamada, E., & Bettiol, W. (2024). A Comprehensive Review of Climate Change and Plant Diseases in Brazil. Plants, 13(17), 2447. https://doi.org/10.3390/plants13172447
Balcıoğlu, Y.E., Kaya, C., & Demircan, M. (2022). İklim Değişikliğinin Malatya İlinde Kayısı Rekoltesi ve Coğrafi Dağılışına Etkileri. Journal of Environmental and Natural Studies, 4(2), 119-146. https://doi.org/10.53472/jenas.1136337
Bania, J.K., Deka, J.R., Paul, A., Nath, A.J., Sileshi, G.W., & Das, A.K. (2025). Highly suitable areas for tea (Camellia sinensis) production will decline under future climate change scenarios. Environmental and Sustainability Indicators, 6, 100720. https://doi.org/10.1016/j.indic.2025.100720
Bhagat, R.M., Ahmed, K.Z., Gupta, N., & Barua, R. (2016). Report of the WG on Climate Change of the FAO IGG on Tea; Report No. 15743. https://doi.org/10.13140/RG.2.1.1151.7048
Bidira, T., Shimales, T., Adissu, M., & Eshetu, T. (2021). Weed Species Dominance and Abundance in Tea (Camellia sinensis L.) Plantation of Southwest Ethiopia. American Journal of Plant Biology, 6(4), 89- 94. https://doi.org/10.11648/j.ajpb.20210604.13
Biswas, R.R., & Rahman, A. (2023). Adaptation to Climate Change: A Study on Regional Climate Change Adaptation Policy and Practice Framework. J. Environ. Manage, 336, 117666. https://doi.org/10.1016/j.jenvman.2023.117666
Bütüner, M. (2019). Küresel iklim değişikliğinin fındık ve çay tarımına etkisi. Yüksek lisans tezi, Atatürk Üniversitesi, Atatürk Üniversitesi Fen Bilimleri Enstitüsü, Bahçe Bitkileri Anabilim Dalı, Meyve Yetiştirme ve Islahı Bilim Dalı.
Caltı, N., & Somuncu, M. (2019). İklim değişikliğinin Türkiye’de tarım üzerindeki etkisi ve çiftçilerin iklim değişikliğine yönelik tutumları. In B. Gonencgil, T. A. Ertek, I. Akova, & E. Elbasi (Eds.), 1st Istanbul International Geography Congress Proceedings Book (pp. 890-912). İstanbul, Türkiye: Istanbul University Press. https://doi.org/10.26650/PB/PS12.2019.002.084

Carr, M.K.V. (1972). The climatic requirements of the tea plant: A review. Experimental Agriculture, 8(1), 1-14. https://doi.org/10.1017/S0014479700005736 Chakraborty, S., & Newton, A.C. (2011). Climate change, plant diseases and food security: An overview. Plant Pathology, 60(1), 2-14. https://doi.org/10.1111/j.1365- 3059.2010.02411.x
Cheruiyot, E.K., Mumera, L.M., Ng’etich, W.K., Hassanali, A., & Wachira, F.N. (2007). Polyphenols as potential indicators for drought tolerance in tea (Camellia sinensis L.). Bioscience, Biotechnology, and Biochemistry, 71(9), 2190-2197. https://doi.org/10.1271/bbb.70103
Choub, V., Yim, E.-Y., Choi, S.-I., Won, S.-J., Moon, J.-H., Yun, J.-Y., Ajuna, H.B., Ahn, Y. S. (2023). Effective biocontrol efficacy of Bacillus subtilis CV21 against cherry leaf spot disease caused by Alternaria phytopathogens and growth promotion of flowering cherry (Prunus sargentii Rehder) seedlings. Biol. Control, 197, 105603. https://doi.org/10.1016/j.biocontrol.2024.105603
Colbach, N., Chauvel, B., Klompe, K., Ruggeri, M., Sønderskov, M., & de Wolf, P. (2025). Evaluating and identifying the drivers of sustainability of integrated weed management systems in three European case studies with in silico tools. European Journal of Agronomy, 170, 127736. https://doi.org/10.1016/j.eja.2025.127736
De Costa, W. (2008). Climate change in Sri Lanka: myth or reality? Evidence from long-term meteorological data. Journal of the National Science Foundation of Sri Lanka, 36(0), 63-88. https://doi.org/10.4038/jnsfsr.v36i0.8048
FAO. (2021). FAOSTAT: Tea statistics. Food and Agriculture Organization of the United Nations. http://www.fao.org/faostat
Finch, D.M., Butler, J.L., Runyon, J.B., Fettig, C.J., Kilkenny, F.F., Jose, S., Frankel, S.J., Cushman, S.A., Cobb, R.C., Dukes, J.S., Hickes, J.A., & Amelon, S.K. (2021). Effects of Climate Change on Invasive Species. In: Poland, T.M., Patel-Weynand, T., Finch, D.M., Miniat, C.F., Hayes, D.C., Lopez, V.M. (eds) Invasive Species in Forests and Rangelands of the United States. Springer, Cham. https://doi.org/10.1007/978-3-030- 45367-1_4
Fritz, L., Baum, C.M., Brutschin, E., Low, S., Sovacool, B.K. (2024). Climate Beliefs, Climate Technologies and Transformation Pathways: Contextualizing Public Perceptions in 22 Countries. Glob. Environ. Change, 87, 102880. https://doi.org/10.1016/j.gloenvcha.2024.102880
Gamage, S.K.N., Niranjala, S.A.U., Upulwehera, J.M.H.M., Piratdin, A., Bandara, K.B.T.U.K., Bandara, H.G.K.N., Hettiarachchi, H.A.B.W., Adikari, A.M.P., Sumanapala S.D.A., Pabasara, M.K.N., & Prasanna, R.P.İ.R. (2025). Climate Change Impacts on Household Food Security in Sri Lanka’s Dry Zones: A Qualitative Analysis. Challenges, 16(2), 20. https://doi.org/10.3390/challe16020020
Gemeda, D.O., Korecha, D., & Garedew, W. (2023). Determinants of Climate Change Adaptation Strategies and Existing Barriers in Southwestern Parts of Ethiopia. Climate Services, 30, 100376. https://doi.org/10.1016/j.cliser.2023.100376
Gonzalez-Andujar, J.L. (2023). Integrated Weed Management: A Shift towards More Sustainable and Holistic Practices. Agronomy, 13(10), 2646. https://doi.org/10.3390/agronomy13102646
Gunathilaka, R.P.D. (2018). Economic impacts of climate change on perennial plantation tree crops: the case of tea production in Sri Lanka. pHd. Thesis. Australian Rivers Institute Griffith School of Environment Griffith University, pp. 166).
Han, W., Li, X., Yan, P., Zhang, L., & Ahammed, G.J. (2018). Tea Cultivation under Changing Climatic Conditions. In Global Tea Science, https://doi.org/10.19103/AS.2017.0036.19
Jayasinghe, S.L., & Kumar, L. (2021). Potential Impact of the Current and Future Climate on the Yield, Quality, and Climate Suitability for Tea [Camellia sinensis (L.) O. Kuntze]: A Systematic Review. Agronomy, 11(4), 619. https://doi.org/10.3390/agronomy11040619
Kfoury, N., Morimoto, J., Kern, A., Scott, E.R., Orians, C.M., Ahmed, S., Griffin, T., Cash, S.B., Stepp, J.R., Xue, D., Long, C., & Robbat, A.Jr. (2018). Striking changes in tea metabolites due to elevational effects. Food Chemistry, 264, 334-341. https://doi.org/10.1016/j.foodchem.2018.05.040
Lahlali, R., Taoussi, M., Laasli, S.-E., Gachara, G., Ezzouggari, R., Belabess, Z., Aberkani, K., Assouguem, A., Meddich, A., El Jarroudi, M., & Barka, E.A. (2024). Effects of climate change on plant pathogens and host-pathogen interactions. Crop Environ, 3(3), 159-170. https://doi.org/10.1016/j.crope.2024.05.003
Lou, W., Sun, K., Zhao, Y., Deng, S., & Zhou, Z. (2021). Impact of climate change on inter-annual variation in tea plant output in Zhejiang, China. International Journal of Climatology, 41(1), E479-E490. https://doi.org/10.1002/joc.6700
MacQuarrie, C.J.K., Derry, V., Gray, M., Mielewczyk, N., Crossland, D., Ogden, J.B., Boulanger, Y., & Fidgen, J.G. (2024). Effect of a severe cold spell on overwintering survival of an invasive forest insect pest. Current Research in Insect Science, 5, 100077. https://doi.org/10.1016/j.cris.2024.100077
Mairura, F.S., Musafiri, C.M., Kiboi, M.N., Macharia, J.M., Ng’etich, O.K., Shisanya, C.A., Okeyo, J.M., Mugendi, D.N., Okwuosa, E.A., & Ngetich, F.K. (2021). Determinants of farmers’ perceptions of climate variability, mitigation, and adaptation strategies in the central highlands of Kenya. Weather Clim. Extremes, 34, 100374. https://doi.org/10.1016/j.wace.2021.100374
Manzoor, D., Dai, Q., Mo, Y.-X., Balami, S., Wang, C.-J., Shi, X.-M., Zheng, Y.-J., & Song, L. (2025). Habitat and density effects on tea quality: A microclimate and nutrients perspective. Agriculture, Ecosystems & Environment, 394, 109866. https://doi.org/10.1016/j.agee.2025.109866
Mao, H., Jiang, C., Tang, C., Nie, X., Du, L., Liu, Y., Cheng, P., Wu, Y., Liu, H., Kang, Z., & Wang, X. (2023). Wheat Adaptation to Environmental Stresses under Climate Change: Molecular Basis and Genetic Improvement. Molecular Plant, 16(10), 1564-1589. https://doi.org/10.1016/j.molp.2023.09.001
Martin, G., Roswell, T., & Cosma, A. (2024). Exploring the Relationships between Worry about Climate Change, Belief about Personal Responsibility, and Mental Wellbeing among Adolescents and Young Adults. Wellbeing, Space & Society, 6, 100198. https://doi.org/10.1016/j.wss.2024.100198
Mudzielwana, R.V.A. (2025). Climate-smart food systems: integrating adaptation and mitigation strategies for sustainable agriculture in South Africa. Frontiers in Sustainable Food Systems, 9, 1580516. https://doi.org/10.3389/fsufs.2025.1580516
Nembambula, F. (2022). Mapping tea plantation health in proportion to invasive alien plants and climate dhange in Tshivhase Tea Estate, South Africa: A remote sensing approach. Doktora tezi, University of Venda. Faculty of Science, Engineering and Agriculture, Department of Geography and Environmental Sciences. pp. 93.
Pascual, L.S., Segarra-Medina, C., Gómez-Cadenas, A., López-Climent, M.F., Vives-Peris, V., & Zandalinas, S.I. (2022). Climate Change-Associated Multifactorial Stress Combination: A Present Challenge for Our Ecosystems. Journal of Plant Physiology, 276, 153764. https://doi.org/10.1016/j.jplph.2022.153764
Prakash, A., Rao, J., Mukherjee, A. K., Berliner, J., Pokhare, S. S., Adak, T., Munda, S., & Shashank, P. R. (2014). Climate change: Impact on crop pests. Cuttack, Odisha, India: Applied Zoologists Research Association (AZRA), Central Rice Research Institute. ISBN: 81- 900947-2-7
Rajan, P., Hong, H.R., Moon, D.-G., Kim, S.J., Kwon, Y.-S., Song, E.Y., Lee, M., Jang, Y.J., Kim, M., & Kim, S.C. (2024). Current Status and Prospects of Climate Change Response in Tea Production. Journal of Bio- Environment Control, 33(4), 453-471. https://doi.org/10.12791/KSBEC.2024.33.4.453
Ricart, S., Gandolfi, C., & Castelletti, A. (2025). What drives farmers’ behavior under climate change? Decoding risk awareness, perceived impacts, and adaptive capacity in northern Italy. Heliyon, 11(1), e41328. https://doi.org/10.1016/j.heliyon.2024.e41328
Roy, S., Barooah, A.K., Ahmed, K.Z., Baruah, R.D., Prasad, A.K., & Mukhopadhyay, A. (2020). Impact of climate change on tea pest status in northeast India and effective plans for mitigation. Acta Ecologica Sinica, 40(6), 432- 442. https://doi.org/10.1016/j.chnaes.2019.08.003
Samarasinghe, B.K.D.J.R., Zhu, Y., Abeynayake, N.R., Zeng, X., Mathavan, B., Wanninayake, R.W.W.M.P.K., Rasheed, S., & Bah, A.S. (2025). Climate Change and Rice Production in Sri Lanka: Short-Run vs. Long-Run Symmetric and Asymmetric Effects. Frontiers in Sustainable Food Systems, 9, 1592542. https://doi.org/10.3389/fsufs.2025.1592542
Schneider, L., Comte, V., & Rebetez, M. (2021). Increasingly favourable winter temperature conditions for major crop and forest insect pest species in Switzerland. Agricultural and Forest Meteorology, 298-299, 108315. https://doi.org/10.1016/j.agrformet.2020.108315
Shrestha, S., Amgain, L.P., Pandey, P., Bhandari, T., & Khatiwada, S. (2024). Adoption status of integrated pest management (IPM) practices among vegetable growers of Lamjung district of Nepal. Heliyon, 10(18), e37999. https://doi.org/10.1016/j.heliyon.2024.e37999
Singh, S. (2020). Farmers’ perception of climate change and adaptation decisions: A micro-level evidence from Bundelkhand Region, India. Ecological Indicators, 116, 106475. https://doi.org/10.1016/j.ecolind.2020.106475
Somasundaram, D., Zhu, J., Zhang, Y., Nie, Y., Zhang, Z., & Yu, L. (2024). Drought Characteristics and Drought- Induced Effects on Vegetation in Sri Lanka. Climate, 12(11), 172. https://doi.org/10.3390/cli12110172
Srikrishnah, S., Peiris, S., & Sutharsan, S. (2012). Effect of Shade Levels on Leaf Area and Biomass Production of Three Varieties of Dracaena sanderiana L. in the Dry Zone of Sri Lanka. Tropical Agricultural Research, 23(2), 142-151. https://doi.org/10.4038/tar.v23i2.4645
Subedi, B., Poudel, A., & Aryal, S. (2023). The impact of climate change on insect pest biology and ecology: Implications for pest management strategies, crop production, and food security. Journal of Agriculture and Food Research, 14, 100733. https://doi.org/10.1016/j.jafr.2023.100733
Tesfay, G., Zhao, Y., Zhao, M., Li, K., Demelash, T., & Xu, Y. (2024). Assessing the Impacts of Climate Change on Geographical Distribution of Tea (Camellia sinensis L.) in Kenya with Maximum Entropy Model. Agronomy, 14(9), 2080. https://doi.org/10.3390/agronomy14092080
Tesfaye, T.D., Zharare, G.E., & Naidoo, S. (2020). The Threat of the Combined Effect of Biotic and Abiotic Stress Factors in Forestry Under a Changing Climate. Frontiers in Plant Science, 11, 601009. https://doi.org/10.3389/fpls.2020.601009
Vijayan, S., & Joy, J.M. (2019). Growth Measurements of Invasive Plant Mikania micrantha Kunth (Mile a Minute Weed), A Threat of Biodiversity. International Journal of Plant and Environment, 5(1), 23-25. https://doi.org/10.18811/ijpen.v5i01.4
Weiskopf, S.R., Rubenstein, M.A., Crozier, L.G., Gaichas, S., Griffis, R., Halofsky, J.E., Hyde, K.J.W., Morelli, T.L., Morisette, J.T., Muñoz, R.C., Pershing, A.J., Peterson, D.L., Poudel, R., Staudinger, M.D., Sutton-Grier, A.E., Thompson, L., Vose, J., Weltzin, J.F., & Whyte, K.P. (2020). Climate change effects on biodiversity, ecosystems, ecosystem services, and natural resource management in the United States. Science of The Total Environment, 733, 137782. https://doi.org/10.1016/j.scitotenv.2020.137782
Won, S.-J., Moon, J.-H., Ajuna, H.B., Choi, S.-I., Maung, C.E.H., Lee, S., & Ahn, Y.S. (2021). Biological Control of Leaf Blight Disease Caused by Pestalotiopsis maculans and Growth Promotion of Quercus acutissima Carruth Container Seedlings Using Bacillus velezensis CE 100. International Journal of Molecular Sciences, 22(20), 11296. https://doi.org/10.3390/ijms222011296
Xiao, Y., Wang, M., & Song, Y. (2022). Abiotic and Biotic Stress Cascades in the Era of Climate Change Pose a Challenge to Genetic Improvements in Plants. Forests, 13(5), 780. https://doi.org/10.3390/f13050780
Yazıcı, F., & Akıner, M.M. (2024). Mite Species Exceeding the Economic Damage Threshold in the Tea Plantation Areas in Türkiye and Population Dynamics in the 2nd and 3rd Harvesting Periods. Journal of Anatolian Environmental and Animal Sciences, 9(1), 119-126. https://doi.org/10.35229/jaes.1444548
Yuan, X., Li, S., Chen, J., Yu, H., Yang, T., Wang, C., Huang, S., Chen, H., & Ao, X. (2024). Impacts of Global Climate Change on Agricultural Production: A Comprehensive Review. Agronomy, 14(7), 1360. https://doi.org/10.3390/agronomy14071360
Zakir, M. (2018). Review on Impacts of Climate Change on Tea Yield, Yield Components and Quality. International Journal of Research Studies in Agricultural Sciences (IJRSAS), 4(5), 24-37. ISSN 2454-6224. https://doi.org/10.20431/2454-6224.0405005

Ayrıntılar

Birincil Dil

İngilizce

Konular

Çevre Eğitimi ve Yaygınlaştırılması

Bölüm

Araştırma Makalesi

Yazarlar

Mahmut Muhammet Bayramoğlu
0000-0001-6359-8351
Türkiye

Songül Yıldız
0000-0003-4748-6661
Türkiye

Ahmet Midilli
0000-0002-4053-3034
Türkiye

Yeşim Öztürk Yilmaz
0000-0001-6823-707X
Türkiye

Zeynep Bayramoğlu ^*
0000-0001-6994-1106
Türkiye

Yayımlanma Tarihi

7 Ocak 2026

Gönderilme Tarihi

17 Eylül 2025

Kabul Tarihi

17 Aralık 2025

Yayımlandığı Sayı

Yıl 2026 Sayı: 2026

DOI

https://doi.org/10.35229/jaes.1766599

IZ

https://izlik.org/JA29HP47TG

APA

Bayramoğlu, M. M., Yıldız, S., Midilli, A., Öztürk Yilmaz, Y., & Bayramoğlu, Z. (2026). Linking Climate Change Awareness with Disease, Pest, and Weed Dynamics in Tea (Camellia sinensis) Cultivation. Journal of Anatolian Environmental and Animal Sciences, 2026, 1-15. https://doi.org/10.35229/jaes.1766599

JAES, 2016- 11.yıl

İklim Değişikliği Farkındalığı ile Çay (Camellia sinensis) Yetiştiriciliğinde Hastalık, Zararlı ve Yabancı Ot Dinamikleri Arasındaki İlişki

Öz

Anahtar Kelimeler

Linking Climate Change Awareness with Disease, Pest, and Weed Dynamics in Tea (Camellia sinensis) Cultivation

Abstract

Keywords

Kaynakça

Ayrıntılar

Birincil Dil

Konular

Bölüm

Yazarlar

Yayımlanma Tarihi

Gönderilme Tarihi

Kabul Tarihi

Yayımlandığı Sayı

DOI

IZ

Kaynak Göster