L’effet de la culture intercalaire vigne-luzerne sur les paramètres biochimiques de la vigne sur un sol cadmique
1Laboratoire des Légumineuses et Agrosystèmes Durables, Centre de Biotechnologie de Borj Cedria, BP 901, 2050 Hammam Lif, Tunisie
2Faculté des Sciences de Gabès, Université de Gabès, cité Erriadh 6072 Zrig, Gabès, Tunisie
3Laboratoire de physiologie moléculaire végétale, Centre de Biotechnologie de Borj Cedria, BP 901, 2050 Hammam Lif, Tunisie
Abstract - Viticulture is constantly confronted with abiotic stresses. Due to human activities such as industrial waste, chemical fertilizer applications, smelting and sewage disposal. As a result, several heavy metals, such as cadmium, have accumulated more and more in the soils. These heavy metals cause acute and chronic toxic effects on plants grown on these soils. Intercropping is a powerful way to promote a more diverse plant community on the ground, allowing for complementary and facilitating relationships to alleviate the stress implied by heavy metals on plants and soil. In these systems, pulses are a key functional group and are highly valued for the agroecological services they provide. In this study, the application of a cadmium concentration of 1mM to a soil, containing Vitis vinifera in co-culture with Medicago sativa, increased the stress markers MDA, H2O2 and proline and decreased the production of soluble proteins. and total sugars. Co-culture and inoculation with RCR2011, a reference strain of Sinorhizobium meliloti, alleviated the stress induced by cadmium.