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Effect of Kaolin and Fulvic Acid Antitranspirants on Tomato Plants Grown under Different Water Regimes

Article

Last updated: 01 Jan 2025

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Tags

Natural resources and the environment

Abstract

This study was carried out to evaluate effects of kaolin (KA) and fulvic acid (FA) as antitranspirants (ATs) on relative water content (RWC) of leaves, net CO2 assimilation rate (CO2 AR), yield, fruit quality and irrigation water use efficiency (IWUE) of tomato plants (Solanum lycopersicum L.). The plants were grown under three water regimes based upon crop daily water consumptive use (ETc). These regimes included 100%ETc, 75%ETc and 50%ETc. Field experiments were achieved for two successive seasons 2012 and 2013 under drip irrigation system in sandy soil at El-Bostan, El-Beheira Province, Egypt. The results revealed that both ATs enhanced effectively the physiological activities and yield production of tomato plants, particularly at water regime of 75% ETc, but they did not compensate the negative effects caused by sever water regime of 50% ETc. FA antitranspirant was more effective than KA. Under water regime of 75%ETc, application of 1.5 FA ml L-1 at 21-day intervals increased IWUE by 34.82% compared to untreated plants. Foliar spray by FA reduces the values of crop response factor than KA in the two seasons. These led to conserving soil water and thereby reduce the applied water by 25% of irrigation water. In comparison to untreated FA plants, the FA (75%ETc) led to decreases in the yield to 93.4% of that irrigated at 100%ETc. There were no significant differences in the fruit quality (titratable acidity and vitamin C) between both ATs treatments.

DOI

10.21608/asejaiqjsae.2015.2875

Keywords

water use efficiency, kaolin, Fulvic acid, irrigation regimes, fruit quality

Authors

First Name

Aggag,

Last Name

A.M.

MiddleName

-

Affiliation

Dept. Natu. Res. & Agric. Eng., Fac. Agric., Damanhour Univ. (www.damanhour.edu.eg)

Email

-

City

-

Orcid

-

First Name

Alzoheiry,

Last Name

A.M.

MiddleName

-

Affiliation

Dept. Natu. Res. & Agric. Eng., Fac. Agric., Damanhour Univ. (www.damanhour.edu.eg)

Email

-

City

-

Orcid

-

First Name

Abdallah,

Last Name

A.E.

MiddleName

-

Affiliation

Dept. Natu. Res. & Agric. Eng., Fac. Agric., Damanhour Univ. (www.damanhour.edu.eg)

Email

-

City

-

Orcid

-

Volume

36

Article Issue

April-June

Related Issue

529

Issue Date

2015-06-01

Receive Date

2015-05-06

Publish Date

2015-06-30

Page Start

169

Page End

179

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 36_Issue April-June_Pages 169-179.pdf

PDF . 2.0MB

Link

https://asejaiqjsae.journals.ekb.eg/article_2875.html

Detail API

https://asejaiqjsae.journals.ekb.eg/service?article_code=2875

Order

9

Type

Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

MainTitle

Effect of Kaolin and Fulvic Acid Antitranspirants on Tomato Plants Grown under Different Water Regimes

Details

Type

Article

Created At

22 Jan 2023