By Chedly Abdelly, Münir Öztürk, Muhammad Ashraf, Claude Grignon
A significant hazard to agricultural productiveness all over the world is unquestionably as a result of environments with tense components together with drought, salinity, waterlogging, severe temperatures, non-optimal degrees of mineral foodstuff and so on. in line with contributions awarded on the overseas convention on Biosaline Agriculture and excessive Salinity Tolerance in November 2006 in Gammarth, Tunisia, this e-book reports the present kingdom of data in biosaline agriculture and excessive salinity tolerance in vegetation. It more often than not specializes in the biotic method of economically make the most of the stress-prone components by way of starting to be resistant plants.
This quantity includes 3 sections: physiology and biochemistry, ecology, and molecular biology. hence, a scientific method has been followed to discover plant responses to numerous ecological components at physiological and molecular levels.
It is of curiosity to scholars, researchers and pros in plant body structure, molecular biology, biotechnology, agriculture, soil technological know-how, and environmental biology.
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Additional info for Biosaline Agriculture and High Salinity Tolerance
1a–d). This growth and yield enhancement in the salt-stressed plants of wheat was positively associated with enhanced endogenous level of GB, resulting from GB application (Fig. 2a, b). Thus, higher endogenous levels of GB in wheat due to exogenous application of GB can be related to enhanced salt tolerance. , wheat [18, 19], tomato , and rape . 24 Muhammad Ashraf et al. Figure 1. Fresh and dry weight of shoot, leaf area and grain yield of wheat when different amounts of glycinebetaine (GB) were exogenously applied to salt-stressed or non-stressed plants (0, no spray; 50, 50 mM GB; and 100, 100 mM GB foliar spray).
Wild salt-tolerant tomato plants. If we draw parallels between the endogenous level of GB and antioxidant activities of each enzyme, it is evident that endogenous level of GB may have a significant protective effects on membranes by decreasing the levels of ROS in wheat plants, which thereby results in lower activities of other antioxidant enzymes (CAT and POD) under salt stress, because GB is known to scavenge hydroxyl radicals . The results presented here, as well as those from some previous studies, clearly show that foliar application of GB improved the growth and yield Growth enhancement in maize and wheat under salt stress 27 Figure 4.
Ecology 78: 2339–2350 Mansour MMF (1998) Protection of plasma membrane of onion epidermal cells by glycine betaine and proline against NaCl stress. Plant Physiol Biochem 36: 767–772 Mäkela P, Kärkkäinen J, Somersalo S (2000) Effect of glycinebetaine on chloroplast ultrastructure, chlorophyll and protein content, and Rubisco activities in tomato grown under drought or salinity. Biol Plant 43: 471–475 Lopez CML, Takahashi H, Yamazaki S (2002) Plant water relations of kidney bean plants treated with NaCl and foliarly applied glycinebetaine.
Biosaline Agriculture and High Salinity Tolerance by Chedly Abdelly, Münir Öztürk, Muhammad Ashraf, Claude Grignon