Effect of foliar spray of boron and ascorbic acid on yield and some chemical parameters of pomegranate fruit ( Punica granatum L. ) Salimi cv

F. S. Al-Douri, Ehsan

	Effect of foliar spray of boron and ascorbic acid on yield and some chemical parameters of pomegranate fruit ( Punica granatum L. ) Salimi cv
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 12, Issue 1, 2012, Pages 138-146
Author
Ehsan F. S. Al-Douri
Abstract
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 showed that foliar spray of boron significantly decreased the reducing flowers ratio on old wood and increased fruit set . Foliar spray of ascorbic acid significantly increased fruit set and the rate of remained fruits at harvest . Interaction between the two factors decreased ratio of reducing flowers on old wood, and increased fruit set and the rate of remained fruit at harvest . All treatments weren’t affected on fruit juice chemical parameters ( TSS, total acidity and total sugars content ), but there are increased anthocyanins in juice significantly . while the interference between Italian Variety and protic fertilizer increased mentally in giving height of plant in comparison with other treatment.
Keywords
boron; Ascorbic Acid; fruit

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