Co-Authors:
Nemec, S., U. S. Horticultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Orlando, 32803, FL, United States
Syversten, J., Citrus Research and Education Center, University of Florida, Lake Alfred, 33850, FL, United States
Levy, Y., Gilat Regional Experiment Station, Israel Ministry of Agriculture, Mobile Post Negev, Israel
Abstract:
Rough lemon citrus seedlings were inoculated with Fusarium solani and evaluated for changes in water relations of leaves, stems, and roots. Inoculated seedlings had decreased leaf stomatal conductance, lower leaf water potential, lower water content, and higher leaf osmotic values compared to healthy plants. Visible wilt symptoms occurred as early as 24 h after inoculation. Transpiration and root conductivity were lower in diseased plants but stem conductivity in diseased plants did not differ from the control. Thus, wilting appears to be due to the inability of roots to supply water to the leaves. © 1986 Martinus Nijhoff Publishers.
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