Response of two tomato cultivars to field-applied proline and salt stress
Автор: Kahlaoui B., Hachicha M., Teixeira J., Misle E., Fidalgo F., Hanchi B.
Журнал: Журнал стресс-физиологии и биохимии @jspb
Статья в выпуске: 3 т.9, 2013 года.
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An experiment was carried out using saline water (6.57 dS.m -1) and subsurface drip irrigation (SDI) on two tomato cultivars ( Solanum lycopersicum, cv. Rio Grande and Heinz-2274) in a silty clay soil. The former is a salinity tolerant and the latter a sensitive cultivar. Exogenous application of proline was done by foliar spray at two concentrations: 10 and 20 mg.L -1, with a control (saline water without proline), during the flowering stage. As a result of the proline applied, significant effects were observed on both cultivars of tomato, particularly with low concentration of proline (10 mg.L -1). It led to increase of leaf area, growth length and fruit yield. Regarding mineral nutrition, Ca 2+ was higher in different organs while low accumulation of Na + occurred. However, Cl - was very low significantly in all tissues of plants of Rio Grande at the higher concentration of proline applied.
Solanum lycopersicum, salt tolerance, exogenous application, proline, tunisia, saline stress
Короткий адрес: https://sciup.org/14323780
IDR: 14323780
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