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Journal of Productivity and Development
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Zagzog, O., Qaoud, E. (2023). EFFECT OF FOLIAR SPRAY SEAWEED AND AMINO ACID ON GROWTH AND YIELD OF ARRA 15 AND ARRA 20 GRAPEVINES CULTIVARS. Journal of Productivity and Development, 28(4), 213-228. doi: 10.21608/jpd.2023.338223
Osama Zagzog; El-Sayed Qaoud. "EFFECT OF FOLIAR SPRAY SEAWEED AND AMINO ACID ON GROWTH AND YIELD OF ARRA 15 AND ARRA 20 GRAPEVINES CULTIVARS". Journal of Productivity and Development, 28, 4, 2023, 213-228. doi: 10.21608/jpd.2023.338223
Zagzog, O., Qaoud, E. (2023). 'EFFECT OF FOLIAR SPRAY SEAWEED AND AMINO ACID ON GROWTH AND YIELD OF ARRA 15 AND ARRA 20 GRAPEVINES CULTIVARS', Journal of Productivity and Development, 28(4), pp. 213-228. doi: 10.21608/jpd.2023.338223
Zagzog, O., Qaoud, E. EFFECT OF FOLIAR SPRAY SEAWEED AND AMINO ACID ON GROWTH AND YIELD OF ARRA 15 AND ARRA 20 GRAPEVINES CULTIVARS. Journal of Productivity and Development, 2023; 28(4): 213-228. doi: 10.21608/jpd.2023.338223

EFFECT OF FOLIAR SPRAY SEAWEED AND AMINO ACID ON GROWTH AND YIELD OF ARRA 15 AND ARRA 20 GRAPEVINES CULTIVARS

Article 2, Volume 28, Issue 4, October 2023, Page 213-228  XML PDF (381.24 K)
Document Type: Original Article
DOI: 10.21608/jpd.2023.338223
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Authors
Osama Zagzog email 1; El-Sayed Qaoud2
1Plant Prod. Depart. Fac. of Tech. and Deve., Zagazig Univ., Egypt.
2Hort. Dept., Fac. Agric., Suez Canal Univ., Egypt
Abstract
This study investigates the impact of seaweed and amino acid treatments on vegetative growth characteristics, leaf mineral contents, and yield of grapevines, focusing on two cultivars, Arra 15 and Arra 20. The experiment spans two growing seasons, and various treatments are applied to the vines. The results demonstrate significant varietal differences in vegetative growth characteristics and leaf mineral contents. Leaf mineral content analysis revealed varietal differences, with Arra 15 having higher nitrogen and phosphorus percentages, and Arra 20 exhibiting higher calcium content. The foliar spray treatments positively influenced leaf mineral content, particularly SW 0.75 + AA 0.25 treatment.
In terms of yield, Arra 15 consistently outperformed Arra 20. All foliar spray treatments significantly increased yield compared to the control, with SW 0.50 + AA 0.25 treatment producing the highest yield in the first season. The interaction between treatments and cultivars influenced yield, with Arra 15 achieving the highest values under specific treatments. The application of seaweed and amino acid treatments positively influences these parameters compared to the control, with specific treatments leading to the highest values. The interaction between cultivars and treatments further influences these characteristics. Additionally, the study assesses the impact on yield, with Arra 15 consistently outperforming Arra 20. The foliar spray treatments significantly enhance yield compared to the control, and specific treatments result in the highest yields per feddan.
The findings of this study contribute to the understanding of the beneficial effects of seaweed and amino acid treatments on grapevine growth and productivity, providing valuable insights for viticulture practices.
 
Keywords
Grape; seaweed; amino acid; vegetative growth characteristics; yield Arra 15; Arra 20
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