دور التغذية الورقية بالزنك و البورون في بعض مؤشرات النمو لنبات الحمص Cicer arietinum L.

الملخص EN

The experiment was carried out in the wooden canopy in the green garden of Biology Department, College of Education for Pure Science-Ibn AL-Haitham, Baghdad University, during the growing season of 2012-2013, to study the influence of foliar application of three concentrations of zinc (0, 50, 75) mg.

L ¯¹ with four concentrations of boron (0, 25, 50, 75) mg.

L¯¹ and their interactions on some growth parameters of vegetative part of chickpea plant.

The experiment was designed according to Randomized Completely Block Design (RCBD) with three replications, results indicated that :- 1-Foliar application of zinc and boron caused a significant increase in the averaye of dry weight for the first harvest, No.

of branches.

plant¯¹, No.

of flowers.

plant¯¹, the relative efficiency of fertilizer for the first harvest, the secondary productivity, the content of each nitrogen, phosphorus and calcium for the both harvests, percentage of protein for the both harvests and the content of total chlorophyll, compared with the control.

2-The interaction effect between the two elements was significant in the growth parameters and superiority of the treatment 75 mg.

L¯¹ zinc and 75 mg.

L¯¹ boron in giving the best value.