Abstract
The experiment was conducted in the lath house affiliated with the College of
Agriculture / University of Anbar to investigate the effect of foliar spray of urea
and GA3 on some vegetative growth traits of mandarin saplings cv. Clementine,
during the period from April 2021 to December 2021, spraying urea(46% N) included 0(spray with distilled water as control), 4, 8 and 12 g.l-1
; on the other
hand, spraying GA3 included 0(spray distilled water as control), 30 and 60 mg.l-1
.
The results showed that urea spray significantly increased all vegetative traits,
especially 12 g.l-1
, compared to the control. In the same context, GA3 at 60 mg.l-1
spray increased all vegetative growth characteristics, like plant height, leaves
number increment, leaves area, shoot number, shoot length and rootstock diameter increment, compared to the lowest value in control.
Keywords: Foliar Spray, Urea, Nitrogen, GA3, Vegetative Growth, Mandarin.
Subject
Infectious Diseases,Applied Microbiology and Biotechnology,Epidemiology,Biotechnology
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