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Irrigation water salinity influences at various growth stages of Capsicum annuum

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  • Baath, Gurjinder S.
  • Shukla, Manoj K.
  • Bosland, Paul W.
  • Steiner, Robert L.
  • Walker, Stephanie J.

Abstract

Availability of fresh surface water for irrigation is declining in southern New Mexico, and saline groundwater is increasingly used for irrigation. This study evaluates the effects of irrigation using saline water on the chile pepper plants. The chile pepper (Capsicum annuum L.) cultivars selected include, AZ 1904, NuMex Joe E. Parker, NuMex Sandia Select, LB 25, and 3441. Salt tolerance of these five cultivars was studied at various growth stages including germination, emergence, vegetative growth, flowering and fruiting stages in a greenhouse set up. The five saline treatments included for germination were tap water of EC 0.6 (control), well water of EC 3 and 6, and RO concentrate of EC 8 and 10dS/m. During plant emergence and growth, natural water ECs for irrigation were 0.6 (control), 3, 5 and 8dS/m. Increasing irrigation water salinity increased mean germination time but did not affect the final germination percentage. Increasing irrigation water salinity increased mean emergence time but the final percentage emergence was affected significantly only after EC ≥3dS/m. Plant growth was significantly affected after several weeks of continuous exposure to saline water application (EC ≥3dS/m). Increasing salinity decreased days to flowering, photosynthesis, stomatal conductance, relative fresh shoot and fruit weights, and water use efficiency. Results show that the selected chile pepper cultivars can be irrigated up to an irrigation water salinity level of ≤3ds/m. Among all the cultivars, 3441 was found to be the most tolerant to salinity. Environmentally sound reuse of RO concentrate will encourage desalination in water scarce areas and greenhouse chile cultivation.

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  • Baath, Gurjinder S. & Shukla, Manoj K. & Bosland, Paul W. & Steiner, Robert L. & Walker, Stephanie J., 2017. "Irrigation water salinity influences at various growth stages of Capsicum annuum," Agricultural Water Management, Elsevier, vol. 179(C), pages 246-253.
  • Handle: RePEc:eee:agiwat:v:179:y:2017:i:c:p:246-253
    DOI: 10.1016/j.agwat.2016.05.028
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    References listed on IDEAS

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    1. Katerji, N. & van Hoorn, J. W. & Hamdy, A. & Karam, F. & Mastrorilli, M., 1994. "Effect of salinity on emergence and on water stress and early seedling growth of sunflower and maize," Agricultural Water Management, Elsevier, vol. 26(1-2), pages 81-91, September.
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    2. Cheng, Minghui & Wang, Haidong & Fan, Junliang & Wang, Xiukang & Sun, Xin & Yang, Ling & Zhang, Shaohui & Xiang, Youzhen & Zhang, Fucang, 2021. "Crop yield and water productivity under salty water irrigation: A global meta-analysis," Agricultural Water Management, Elsevier, vol. 256(C).
    3. Cao, Yune & Gao, Yanming & Li, Jianshe & Tian, Yongqiang, 2019. "Straw composts, gypsum and their mixtures enhance tomato yields under continuous saline water irrigation," Agricultural Water Management, Elsevier, vol. 223(C), pages 1-1.
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    5. Tianyu Wang & Zhenghe Xu & Guibin Pang, 2019. "Effects of Irrigating with Brackish Water on Soil Moisture, Soil Salinity, and the Agronomic Response of Winter Wheat in the Yellow River Delta," Sustainability, MDPI, vol. 11(20), pages 1-16, October.
    6. Qi Wei & Junzeng Xu & Linxian Liao & Yawei Li & Haiyu Wang & Shah Fahad Rahim, 2018. "Water Salinity Should Be Reduced for Irrigation to Minimize Its Risk of Increased Soil N 2 O Emissions," IJERPH, MDPI, vol. 15(10), pages 1-14, September.
    7. Bione, Maria Augusta Amorim & Soares, Tales Miler & Cova, Alide Mitsue Watanabe & Paz, Vital Pedro da Silva & Gheyi, Hans Raj & Rafael, Maria Raphaela Severo & Modesto, Francisco José Nunes & Santana,, 2021. "Hydroponic production of ‘Biquinho’ pepper with brackish water," Agricultural Water Management, Elsevier, vol. 245(C).
    8. Rajesh Kumar Soothar & Wenying Zhang & Binhui Liu & Moussa Tankari & Chao Wang & Li Li & Huanli Xing & Daozhi Gong & Yaosheng Wang, 2019. "Sustaining Yield of Winter Wheat under Alternate Irrigation Using Saline Water at Different Growth Stages: A Case Study in the North China Plain," Sustainability, MDPI, vol. 11(17), pages 1-16, August.
    9. Ozturk, Omer Faruk & Shukla, Manoj K. & Stringam, Blair & Picchioni, Geno A. & Gard, Charlotte, 2018. "Irrigation with brackish water changes evapotranspiration, growth and ion uptake of halophytes," Agricultural Water Management, Elsevier, vol. 195(C), pages 142-153.
    10. Di Gioia, Francesco & Rosskopf, Erin N. & Leonardi, Cherubino & Giuffrida, Francesco, 2018. "Effects of application timing of saline irrigation water on broccoli production and quality," Agricultural Water Management, Elsevier, vol. 203(C), pages 97-104.
    11. Ben Ali, Akram R. & Shukla, Manoj K. & Schutte, Brian J. & Gard, Charlotte C., 2020. "Irrigation with RO concentrate and brackish groundwater impacts pecan tree growth and physiology," Agricultural Water Management, Elsevier, vol. 240(C).
    12. Li, Dan & Wan, Shuqin & Li, Xiaobin & Kang, Yaohu & Han, Xiaoyu, 2022. "Effect of water-salt regulation drip irrigation with saline water on tomato quality in an arid region," Agricultural Water Management, Elsevier, vol. 261(C).
    13. Li, Jianshe & Gao, Yanming & Zhang, Xueyan & Tian, Ping & Li, Juan & Tian, Yongqiang, 2019. "Comprehensive comparison of different saline water irrigation strategies for tomato production: Soil properties, plant growth, fruit yield and fruit quality," Agricultural Water Management, Elsevier, vol. 213(C), pages 521-533.
    14. Li, Jingang & He, Pingru & Chen, Jing & Hamad, Amar Ali Adam & Dai, Xiaoping & Jin, Qiu & Ding, Siyu, 2023. "Tomato performance and changes in soil chemistry in response to salinity and Na/Ca ratio of irrigation water," Agricultural Water Management, Elsevier, vol. 285(C).

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