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The effect of foliar spray leaves with Gibberellic acid and seaweed extract on some physiological characteristics of seedlings olive (Olea europaea L. ) cultivar khudheiry | ||
| journal of kerbala university | ||
| Article 1, Volume 11, Issue 1, 2015, Pages 51-59 PDF (0 K) | ||
| Abstract | ||
| This experiment was conducted in accordance with randomized complete block design(R.C.B.D) in the Department of horticulture , College of agriculture , University of Karbala during the season of 2010 to study the effect of foliar spray with three levels of Gibberellic acid (0 , 150 and 200 mg.L-1) and three levels of seaweed extract (0 , 10 and 20 ml.L-1) of olive seedling , cultivar khudairi . The seedling were sprayed at three interval in first day of April , may and June and they were also sprayed with urea 0.2 % one day before each of the three dates of spraying . Results that were collected in mid-October show that Gibberellic acid in (200 mg.L-1) increased the dry weight of vegetative and leaf area compared to treatment compared , The seaweed extract in concentration (20 ml.L-1) significantly increased the dry weight of total number of vegetative branches and leaves of the (a) chlorophyll content , Interactions of concentration (200 mg.L-1) of Gibberellic acid and seaweed extract concentrate (20 ml.L-1) increased the steam diameter. The interaction between concentration (150 mg.L-1) Gibberellic acid and (20 ml.L-1) seaweed extract increased significantly the number of branches on all other interaction | ||
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