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Pakistan Journal of Biological Sciences
  Year: 2020 | Volume: 23 | Issue: 4 | Page No.: 454-466
DOI: 10.3923/pjbs.2020.454.466
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Growth, Yield and Biochemical Impact of Anti-transpirants on Sunflower Plant Grown under Water Deficit

Maha Mohamed Shater Abdallah , Bakry Ahmad Bakry , Hala Mohamed Safwat El-Bassiouny and Amany Attia Abd El-Monem

Background and Objective: Climate change affecting on weather in many different ways especially drought and temperature rise. This will drastically down plant production, if not start looking for another source to increase water productivity to cope up with water stress conditions. In this study efforts were conducted to interpret the use of anti-transpirants to conserving irrigation water, aiding plant survival under dry conditions and protecting plant against drought stress. Materials and Methods: Two field experiments were carried out during 2017 and 2018 successive growing summer seasons at the experimental farm of National Research Centre, Nubaria, El-Beheira Governorate, Egypt. Anti-transparent ,i.e., chitosan (100 and 150 mg L–1), calcium carbonate (5 and 10 g L–1), salicylic acid (200 and 300 mg L–1) were foliar sprayed on sunflower plants grown under two water levels (normal 100% and deficit 50%). Results: The results showed that water stress decreased growth criteria, photosynthetic pigments, osmoprotectants, yield components, oil and carbohydrate (%) as compared to 100% of irrigation requirements. Meanwhile, water deficit induced significant increases in (proline). Foliar treatments of sunflower plant with chitosan, calcium carbonate, salicylic acid increased growth criteria, yield components, photosynthetic pigments, total soluble sugars, proline and free amino acid as compared to control plant. Data also illustrated that, all used treatment improved seed yield, oil and carbohydrate% of sunflower plants. Conclusion: Generally, it could be concluded that 10 g L–1 CaCO3 and 300 mg L–1 SA at 50% level of water irrigation could be recommended for sunflower plant grown under similar field conditions in order to get optimum yield and to save irrigation water.
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Maha Mohamed Shater Abdallah, Bakry Ahmad Bakry, Hala Mohamed Safwat El-Bassiouny and Amany Attia Abd El-Monem, 2020. Growth, Yield and Biochemical Impact of Anti-transpirants on Sunflower Plant Grown under Water Deficit. Pakistan Journal of Biological Sciences, 23: 454-466.

DOI: 10.3923/pjbs.2020.454.466






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