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Correlation between Changes in Biochemical Roots of Wheat (Triticum durum desf) and Stress Induced by some Regimes Fertilizer NPK
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We studied the physio-biochemical parameters of the wheat ischolar_mains (Tritium durum Desf), in the water content (TE), total protein levels (TPL), carbohydrate (TCH) proline (TP), Malondialdehyde (MDA), on the one hand and enzyme activities catalase (CAT) and ascorbate-Perroxydase (APX) on the other hand, with four fertilizer regimes: 0.5: 01: 01, 0.5: 02: 01, 0.5: 03: 01 and 0.5: 04: 01g/propagator NPK. Our results show that the maximum content of water is obtained with the regime. 0.5: 01: 01g/propagator NPK. Total protein and the average maximum with 0.5 proline proved: 02: 01, 0.5: 03: 01 and 0.5: 04: 01g / hotbed of NPK. It records the total carbohydrate highest respectively 0.5: 02: 01; 0.5: 03: 01 and 0.5: 04: 01g/hotbed NPK. The activities of enzymes catalase (CAT), ascorbate peroxidase (APX), were measured simultaneously with the average rates of malondialdehyde (MDA) and the parameters as indicators of cellular disorders. The results obtained show that the schemes 0.5: 02: 01 and 0.5: 03: 01 and 0.5: 04: 01g/Propagator NPK are capable of generating oxidative stress expressed through stimulation of enzyme activity CAT and APX and resulted in a significant increase in the average rate of MDA. This does not seem to be the case for regime 0.5: 01: 01g/Propagator NPK. Our study thus demonstrates the existence of a positive correlation between water content, total protein, carbohydrate, proline, MDA, CAT and APX in ischolar_mains of wheat with three fertilizer regimes 0.5: 02: 01; 0.5: 03: 01 and 0.5: 04: 01g/Propagator NPK. Our results suggest a possible apparent toxicity may be associated with some phosphate fertilizers.
Keywords
NPK, Wheat, Fertilizer, Toxicity, Roots.
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