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Water economy

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The Tomato Crop

Part of the book series: The Tomato Crop ((WOCS))

Abstract

Water has a crucial role in determining the yield of tomato. The water status of a plant depends on the combined effect of the soil, the atmosphere and the plant itself. The availability of water to the plant is affected not only by water adhesion in the soil but also by the condition of the plant’s root system — namely, its size, density and activity. Water losses from the plant, though dependent on the humidity of the air, are strongly affected by leaf area, stomatal activity and the capacity of the plant to absorb water from the soil. These complex interrelations create the water status of the plant at any given time. Water status is dynamic rather than constant. Some of the changes to which it is subjected are very swift, others rather slow, but all are directly related to changes occurring in the atmosphere. Fluctuations in radiation, humidity and temperature exert a rapid effect on the water status of the plant. Accordingly, the plant has swift response mechanisms for a rapid adjustment to environmental changes, as well as slower response mechanisms which reflect metabolic aspects of plant activity. Both rapid and slow responses affect the ability of the tomato plant to grow, develop and yield fruit.

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Authors
  1. J. Rudich
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  2. U. Luchinsky
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Editors and Affiliations

  1. Department of Agriculture and Horticulture, University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, UK

    Jeff G. Atherton

  2. The Levi Eshkol School of Agriculture, The Hebrew University of Jerusalem, Rehovot, 76-100, PO Box 12, Israel

    Jehoshua Rudich

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Rudich, J., Luchinsky, U. (1986). Water economy. In: Atherton, J.G., Rudich, J. (eds) The Tomato Crop. The Tomato Crop. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3137-4_8

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  • DOI: https://doi.org/10.1007/978-94-009-3137-4_8

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