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INFLUENCE OF FOLIAR APPLICATION OF CuSO4 AND Mg EDTA ON GROWTH AND FLOWERING OF Erysimum cheiri | ||
| Kufa Journal for Agricultural Science | ||
| Article 1, Volume 1, Issue 2, 2009, Pages 43-55 | ||
| Authors | ||
| SAMI K. M. AMEEN; NASREEN K. AZIZ; NAWAL M. ALWAN | ||
| Abstract | ||
| The effect of foliar spray of Copper and chelated Magnesium on growth and flowering of Erysimum cheiri was studied. Four concentrations of CuSO4 i.e 0, 0.5, 1.0 and 2.0 g/l and four levels of Mg EDTA i.e 0, 1.0, 2.0 and 4.0 g/l were applied. CuSO4 levels were sprayed three times whereas, Mg EDTA levels were sprayed two times. Results were as follows: CuSO4 at 0.5 and 1.0 g/l increased No. of branches/plant, No. of leafs , (8.36, 8.97 branch/plant, 48.25, 41.93 leafs/plant) respectively. While 2.0 g/l was superior on leaf area (30.51 cm2). All CuSO4 levels elevated chlorophyll levels content and dry weight. The highest concentrations was more effective. Moreover, higher CuSO4 levels (1.0 and 2.0 g/l) increased leaf content of K%. All CuSO4 levels significantly increased leaf content of Cu. The 2.0 g/l was superior (Cu=13.4 ppm). The highest level of CuSO4 (2.0 g/l) was the best in promoting No. of inflorescence (7.2 inf./plant) and flower stem diameter (0.35 cm) and dry weight of flowering parts (0.89 g.). Chelated Mg concentrations were effective on all vegetative growth parameters tested. Plant height was significantly enhanced, Mg at 2.0 g/l concentration was the best (20.12 cm). in addition, this level was superior on elevating No. of leafs (64.75 leafs/plant) and dry weight of (0.46 g.). while Mg at 4.0 g/l concentration was more effective on No. of branches of (9.63 branch/plant), leaf area (34.17 cm2) and leaf chlorophyll content of (1.46 Mg/100g.). Mg levels elevated leafs content of N, P, Cu and Mg, the values were (1.27%, 0.36%, 13.4 ppm and 0.72%) respectively. Mg levels significantly increased flowering period as well to (8.64 days) and dry weight to (0.72 g.). | ||
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