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177494

Inducing early flowering in roselle (Hibiscus sabdariffa L.) plants by organic acids

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Last updated: 04 Jan 2025

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Abstract

The current study was conducted at the Agricultural Research Center farm at the Agricultural Research Station at Gemmayzeh, Gharbia Governorate, Egypt, during the two consecutive summer seasons 2017 and 2018, with the aim of evaluating the effect of Citric acid treatments (2 and3 g/L) and Potassium humate (2and 3g /L) on the early flowering of the hibiscus (Hibiscus sabdariffa L.) plant, the treatments were as follows (T1) control (spray with water) and (T2) Citric acid (2g/L) and (T3) Citric acid (3g/L), (T4)Potassium humate (2g /L), (T5) Potassium humate (3g /L), (T6) Citric acid (2g/L) +Potassium humate (2g/L) and (T7) Citric acid (2 g /L) + Potassium humate (3 g /L) and (T8) Citric acid (3g/L) +Potassium humate (2g /L) and (T9) Citric acid (3g /L) + Potassium humate (3g /L). It was found that the foliar spraying of the two acids, either alone or together, had a positive effect on all growth factors, sepals yield and oil. The interaction treatments were better than the solo treatments and the best of them was the ninth treatment which is Citric acid (3 g/L) + Potassium humate (3g /L), which gave the best results in early flowering and most of the growth and production characteristics of sepals, seeds, oil yield and Vitamin C. Therefore, it is recommended to use a mixture between Citric acid and Potassium humate for early flowering, harvesting and drying before Winter season. Therefore, the main goal of this study to elucidate the effect of foliar spraying with organic acids such as Citric acid and Potassium humate on the early flowering, growth factors, sepals yield and oil of the hibiscus (Hibiscus sabdariffa L.) plant.

DOI

10.21608/ejar.2021.53230.1053

Keywords

Hibiscus sabdariffa L, Citric acid, potassium humate, early flowering, Anthocyanins

Authors

First Name

Manal

Last Name

Meligy

MiddleName

M.

Affiliation

Medicinal and Aromatic Plants Section, Horticultural Research Institute, Agricultural Research Center, Giza, Egypt

Email

dr.manal.meligy@gmail.com

City

Al-Gharbia Governorate

Orcid

-

Volume

98

Article Issue

4

Related Issue

21560

Issue Date

2020-12-01

Receive Date

2020-12-11

Publish Date

2020-12-01

Page Start

634

Page End

644

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_177494.html

Detail API

https://ejar.journals.ekb.eg/service?article_code=177494

Order

7

Type

Original Article

Type Code

1,041

Publication Type

Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

Inducing early flowering in roselle (Hibiscus sabdariffa L.) plants by organic acids

Details

Type

Article

Created At

22 Jan 2023