Gharbi and Sanaa
Greener Journal of Agricultural Sciences Vol. 4 (5), pp. 205-210, June 2014.
Manuscript Number: 112713987
Enhancement of Peach Leaves Mineral Contents in Response to Iron-Chelates Addition
Gharbi Hajji Hasna* and Sanaa Mustapha
Agronomic Institute of Agriculture, Laboratory of Soil and Environment Sciences, 43, Av. Charles Nicolle, 1082, Tunis, Tunisia.
*Corresponding Author’s Email: hasnagharbi2010@ gmail. com, Tel: +00216 95306380
Mineral peach leaves contents were investigated for three periods to assess the response of peach trees to iron chelates in EDDHA-Fe form addition. Two peach varieties: Elegant Lady and Carnival were considered and received four treatments of iron chelates (Tc, T1, T2 and T3 corresponding on 0, 20, 40 and 60 grams (g) of chelates/tree). Results showed that iron chelates improved significantly nitrogen assimilation by plants and T2 and T1 were the most effective for Elegant Lady and Carnival respectively. In addition, iron chelates decreased foliar potassium and magnesium which indicated an iron deficiency correction. However, iron mobilisation through leaves was improved at 60 and 90 Days After Full Bloom (DAFB) for Elegant Lady. So, 60 and 90 DAFB are recommended as the best dates for foliar diagnosis for Elegant Lady and Carnival respectively.
Keywords: Prunus persica, iron chlorosis, foliar diagnosis.best dates for foliar diagnosis for Elegant Lady and Carnival respectively.
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