Effect of GA3 foliar application and urea on some green growth characteristics of olive young tree Picual cultivar (Olea Europea L.)

Document Type : Research article

Authors

Faculty of Agriculture, University of Kirkuk, Iraq

Abstract

This study carried out at agricultural experiments and researches station, collage of agriculture, university of Kirkuk, Iraq. During the growth season 2017 to study effect of GA3 foliar application with three levels (0 , 100 and 200) mg L-1 and urea with three levels (0 , 2000 and 4000) mg L-1 and the interaction between them on some green growth characteristics of olive young tree Picual cultivar. The results can be summarized as:
 

The foliar application with 100 mg L-1 of GA3 had significant effect on (height and stem diameter, leaf number, leaf area, number and height of branches, chlorophyll index) and the dry weight percentage didn’t affect with GA3.
The foliar application with 4000 mg L-1 level of urea leads to significant increase in all the growth characteristics.
The interaction between the factors had significant increase in all growth characteristics specially 100 mg L-1 of GA3 and 4000 mg L-1 of urea.     

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Archives of Agriculture Sciences Journal
Volume 1, Issue 1
April 2018
Pages 121-128

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