Improving quantitative and qualitative characteristics of sweet pepper using GA3 and CaCl2 treatments in Ilam region condition

Mohammadi, Meysam; Saidi, Mehdi; Khademi, Orang; Bazgir, Masoud

doi:10.22059/jci.2015.54376

Document Type : Research Paper

Authors

¹ Former M.Sc. Student, Department of Horticulture, Faculty of Agriculture, Ilam University, Ilam, Iran

² Assistance Professor, Department of Horticulture, Faculty of Agriculture, Ilam University, Ilam, Iran

³ Assistance Professor, Department of Horticulture, Faculty of Agriculture, Shahed University, Tehran, Iran

https://doi.org/10.22059/jci.2015.54376

Abstract

In order to study the effects of GA₃and CaCl₂treatments in resolve the problems of sweet pepper culture in Ilam region (including small size fruits with sunscald and blossom end rot disorders), this study was carried out in Ilam University in 2012. For that, GA₃ (50 mg/l) and CaCl₂(0.5%) treatments were sprayed at two (fruit set and 15 days thereafter) and three (fruit set, 10 and 20 days thereafter) times on the ‘California Wonder’ peeper and after ripening fruit characteristics were investigated. The results showed that, in most of the studied traits, there were no significant differences between two and three spraying times. However, GA₃ in comparison to control, significantly increased yield, fruit number, marketability, fruit diameter, fruit weight, flesh firmness, fruit dry matter, ascorbic acid content, antioxidant capacity, chlorophyll content, plant height, internodes length, leaf area and lateral branch number and decreased sunscald and blossom end rot rates. CaCl₂ treatment as compared to control increased fruit dry matter, flesh firmness, fruit thickness, chlorophyll b and total chlorophyll content, and reduced sunscald and blossom end rot. However, CaCl₂ treatment had no significant effects on vegetative properties, including stem height, shoot diameter, internodes length, leaf area, lateral branch number, as well as fruit size and yield. According to these results, application of both GA₃ and CaCl₂ treatments can be effective in improving the qualitative and quantitative properties of sweet pepper.

Keywords

20.1001.1.83372008.1394.17.3.7.3

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Journal of Crops Improvement

Improving quantitative and qualitative characteristics of sweet pepper using GA3 and CaCl2 treatments in Ilam region condition

References

References

Volume 17, Issue 3 - Serial Number 3
October 2015
Pages 649-660

Improving quantitative and qualitative characteristics of sweet pepper using GA3 and CaCl2 treatments in Ilam region condition

References

References

Volume 17, Issue 3 - Serial Number 3October 2015Pages 649-660

Volume 17, Issue 3 - Serial Number 3
October 2015
Pages 649-660