Effect of foliar spray of boron and ascorbic acid on leaf mineral  content  and vegetative growth parameters of pomegranate trees ( Punica granatum L. ) Salimi cv.

F. S. Al-Douri, Ehsan; Areji,; Jassim M. Al-A, And

	Effect of foliar spray of boron and ascorbic acid on leaf mineral content and vegetative growth parameters of pomegranate trees ( Punica granatum L. ) Salimi cv.
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 12, Issue 3, 2012, Pages 140-147
Authors
Ehsan F. S. Al-Douri; ; and Jassim M. Al-A
Abstract
The experiment was conducted in a private orchard in Owainat village ( 15 km, south of Tikrit ), during 2010 growing season . Pomegranate trees “Salimi” cv. , which were six years old, were sprayed three times with three concentrations of boron ( 0 , 50 and 100 mg /L ) as boric acid ( 17% B ) and three concentrations of ascorbic acid ( 0 , 250 and 500 mg/L ) . The first spray has been done three weeks before bloom, the second after fruit set and the third was when the fruit skin color was changed to red .The results indicated that foliar spray of boron significantly increased leaf boron concentration and leaf area , while the foliar spray of ascorbic acid increased leaf phosphorus concentration, chlorophyll and rate of stem diameter significantly . The treatment 50 mg B/L + 250 mg AA/L was the best treatment . which gave the highest values for the most studied parameters .
Keywords
Boron; Ascorbic Acid

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