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Role of Potassium in Plant Photosynthesis, Transport, Growth and Yield

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Role of Potassium in Abiotic Stress

Abstract

Potassium (K) is the most abundant element next to nitrogen (N) and phosphorus (P) which is largely required by the plants. It is involved in many physiological processes such as photosynthesis, enzyme activation within the plant, translocation, and regulation of opening and closing of the stomata. Deficiency or inadequate supply of K results in a drop of photosynthetic carbon assimilation which ultimately stunts growth and reduces yield of the plants. K-deficient plants show symptoms like brown or yellow edges along with their leaves. K as biofertilizer is seen to increase crop yield and enhance productivity of protein- and starch-rich grains. It also helps to improve immunity against change of weather and protects against oxidative stress and diseases. However, studies on the effect of K deficiency in plant growth promotion, photosynthesis and K uptake are limited. The current review gives a detailed account of role of K in photosynthesis process followed by a description of the role of K in plant growth and yield.

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Authors and Affiliations

  1. Department of Biotechnology, Sir J. C. Bose Technical Campus-Bhimtal, Kumaun University, Nainital, Uttarakhand, India

    Jyoti Rawat

  2. Department of Biotechnology, Graphic Era, Deemed to be University, Dehradun, India

    Neha Pandey

  3. Department of Biochemical Engineering, Bipin Tripathi Kumaon Institute of Technology, Dwarahat, India

    Jyoti Saxena

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  1. Jyoti Rawat
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  2. Neha Pandey
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  3. Jyoti Saxena
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  1. Department of Botany, Jamia Hamdard, New Delhi, India

    Noushina Iqbal

  2. Department of Botany, Jamia Hamdard, New Delhi, India

    Shahid Umar

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Rawat, J., Pandey, N., Saxena, J. (2022). Role of Potassium in Plant Photosynthesis, Transport, Growth and Yield. In: Iqbal, N., Umar, S. (eds) Role of Potassium in Abiotic Stress. Springer, Singapore. https://doi.org/10.1007/978-981-16-4461-0_1

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