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Egyptian Journal of Soil Science
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Volume Volume 60 (2020)
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Talat Rashad, R. (2020). Effect of Soaking Seeds in Some Growth Regulators on Wheat Grown in Sandy Soil. Egyptian Journal of Soil Science, 60(2), 99-108. doi: 10.21608/ejss.2019.17506.1311
Rama Talat Rashad. "Effect of Soaking Seeds in Some Growth Regulators on Wheat Grown in Sandy Soil". Egyptian Journal of Soil Science, 60, 2, 2020, 99-108. doi: 10.21608/ejss.2019.17506.1311
Talat Rashad, R. (2020). 'Effect of Soaking Seeds in Some Growth Regulators on Wheat Grown in Sandy Soil', Egyptian Journal of Soil Science, 60(2), pp. 99-108. doi: 10.21608/ejss.2019.17506.1311
Talat Rashad, R. Effect of Soaking Seeds in Some Growth Regulators on Wheat Grown in Sandy Soil. Egyptian Journal of Soil Science, 2020; 60(2): 99-108. doi: 10.21608/ejss.2019.17506.1311

Effect of Soaking Seeds in Some Growth Regulators on Wheat Grown in Sandy Soil

Article 20, Volume 60, Issue 2, Spring 2020, Page 99-108  XML PDF (1.88 MB)
Document Type: Original Article
DOI: 10.21608/ejss.2019.17506.1311
Author
Rama Talat Rashad email
Soils, Water & Environment Research Institute - Agricultural Research Centre
Receive Date: 29 September 2019,  Revise Date: 26 November 2019,  Accept Date: 04 December 2019 
Abstract
A research field experiment was carried out to study the effect of soaking wheat seeds before sowing in aqueous solutions of Gibberellic acid GA3 (2 g L-1), Salicylic acid SA, humic acid HA and potassium humate K-H (6 g L-1 each) on wheat (Triticum aestivum L.) productivity under sandy soil conditions. Wheat yield (t ha-1) increased maximally by 4.57% for GA3 treatment while decreased by 7.65% for the HA treatment compared with the control. Seed yield (t ha-1) increased by 8.01% for K-H but decreased by 3.77% for HA. Shelling (%) increased significantly by 6.29% for K-H only while decreased by 3.73% for GA3. Treatments significantly affected soil available, seed total and Si-uptake by wheat seed. Available Si in soil (mg kg-1) significantly decreased in the order GA3 by 23.39% > HA by 20.71% > K-H by 13.4 > SA by 7.55%. Total Si (g kg-1) in seeds significantly increased in the order GA3 by 700% > SA by 672.73% > HA by 386.36% but decreased by 22.73% for K-H for which Si-uptake decreased significantly by 16.54%. The studied plant growth regulators (PGRs) may affect the soaked wheat seeds physiologically and result in an interrupted nutrient uptake due to imbalanced nutrient availability including NPK and Si. However, soaking in K-H can be recommended and preferable than GA3, HA, and SA for health aspects and to avoid luxury Si consumption by seeds.
Keywords
growth regulators; Organic solutions; sandy soil; Seed soaking; Wheat
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