Gharbi Andsanaa

Gharbi and Sanaa

Greener Journal of  Agricultural Sciences Vol. 4 (5), pp. 205-210, June 2014.

 ISSN: 2276-7770  

Research Paper

Manuscript Number: 112713987

DOI: http://dx.doi.org/10.15580/GJAS.2014.5.112713987


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

Abstract:

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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