Plant and Soil

, Volume 55, Issue 2, pp 205–214 | Cite as

Drought susceptibility of two tomato (Lycopersicum esculentum) varieties

  • O. Babalola
  • M. O. A. Fawusi
Article

Abstract

The effects of three levels of moisture under greenhouse conditions and also identical moisture levels under field conditions, on the growth yield and water relations of two tomato cultivars, Fireball and Ife I, were investigated. The objective was to ascertain the drought susceptibility of these two tomato cultivars. The cultivar, Ife I, was more drought susceptible than Fireball and the drought susceptibility increased with the level of soil water stress. The drought tolerance, of Fireball is attributed to a lower leaf area, better root system development in terms of average root length and rooting depth, and a higher leaf water potential. The higher leaf stomatal resistances of Fireball variety suggest an inbuilt mechanism to regulate water vapour flow in times of stress.

Key Words

Drought Leaf diffusive resistance Leaf water potential Root system Soil moisture potential Tomato 

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Copyright information

© Martinus Nijhoff Publishers 1980

Authors and Affiliations

  • O. Babalola
    • 1
  • M. O. A. Fawusi
    • 1
  1. 1.Agronomy DepartmentUniversity of IbadanIbadanNigeria

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