The Effect of foliar application with Boric Acid, Zinc Sulfate and Iron Claw on fruits set, vegetative growth and fruit traits of Olive cv. Nibali Mohassan.
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2013, Volume 11, Issue 2, Pages 56-73
AbstractThis study was conducted in olive farm in General Commission of Desertification Combat / Enna County in Al Anbar Province during 2012, in order to study the impact of leafy spraying with boric acid at (100, 150 mg. liter -1), zinc sulfate at (5000 mg. liter -1) and Fe-EDDHA at (1000 mg .liter-1) and the mixture of them, on the growth and production of olive cv. Nibali Mohassan. The spraying was done until trees become wet completely dated 25/4/2012 at full bloom and spray the second month after the first spray. The design of experiment was full randomized blocks with three repeliciates, and LSD at level 5% was calculated to all treatments.The results showed that spraying with boric acid at 150 mg .liter -1 gave significant increase in shoot length , leaf area and fruits weight which reached 5,86 cm, 7.247 cm, 3.29 g respectively, comparing with other applications that caused trait 's decrease to reach 3.00 cm, 6.327 cm2, 2.7639 respectively. And the spraying with 150 mg . liter -1 boric acid + 5000 mg. liter -1 + zinc sulfate caused significant increase in oil percentage reached 19.09% comparing with 15.85%.While the treatment with 100 mg. liter -1 boric acid + 500 mg . liter -1+1000 mg. liter -1 Fe –EDDHA have had a good impact of studied characters such as leaf area, relative chlorophyll, fruit set, fruit coefficient, and production.Whereas the application (150 mg . liter -1 boric acid + 5000 mg. liter -1 zinc sulfate, 1000 mg .liter -1 Fe-EDDDHA) indicated a significant increase relative chlorophyll and boron content in leaves, and also increase the fruit set and fruit coefficient
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