Effect of Irrigation with Lake Water Containing Cylindrospermopsin Toxin on Seed Germination and Seedlings Growth of Cucumis Sativus and Lycopersicon Esculatum

Authors

  • Mirvat Temsah Lebanese Univerrsity, Faculty of Sciences, P.O. Box 6573/14 Badaro, Museum, Hadath, Lebanon, Tel: 009615467951, Fax: 009615465562
  • Kawthar Tarhini Lebanese Univerrsity, Faculty of Sciences, P.O. Box 6573/14 Badaro, Museum, Hadath, Lebanon, Tel: 009615467951, Fax: 009615465562
  • Ali Fadel National Center for Remote Sensing, National Council for Scientific Research (CNRS), P.O. Box 11-8281, Riad El Solh, 1107 2260 Beirut, Lebanon
  • Kamal Slim Laboratory of Microorganisms and Food Irradiation, Lebanese Atomic Energy Commission- CNRS, P.O. Box 11-8281, Riad El Solh, 1107 2260 Beirut, Lebanon

Keywords:

Cylindrospermopsin, irrigation, cucumber, tomato, water quality.

Abstract

These morphological changes were associated with alterations in primary xylem as a result of the inhibition of root growth and the reduction of water absorption. In addition, altered metabolism of tomato and cucumber seedling exposed to CYNs was manifested by chlorosis and leaf necrosis following a reduction in the chlorophyll content, photosynthesis inhibition and induction of oxidative stress.

Cylindrospermopsin (CYN) phytotoxicity, was investigated on seeds and seedlings of tomato (Lycopersicon esculatum L.) and cucumber (Cucumis sativus L.), after irrigation by water contaminated with this toxin. Our results showed that seed germination was reduced after exposure to higher concentrations of CYN. The cucumber seeds were more resistant than tomato seeds to this toxin. The CYN affected also the growth and productivity of seedlings. A significant reduction in the length of stems, roots (principle and lateral) and the number and size of leaves, appeared on the seedlings exposed to CYNs.

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Published

2016-06-08

How to Cite

Temsah, M., Tarhini, K., Fadel, A., & Slim, K. (2016). Effect of Irrigation with Lake Water Containing Cylindrospermopsin Toxin on Seed Germination and Seedlings Growth of Cucumis Sativus and Lycopersicon Esculatum. International Journal of Sciences: Basic and Applied Research (IJSBAR), 27(3), 108–122. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5842

Issue

Vol. 27 No. 3 (2016)

Section

Articles

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