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Effect of Some Treatments on Reducing Sunburn in Wonderful Pomegranate Fruit Trees

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Last updated: 01 Jan 2025

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Abstract

 THIS study was carried out during two successive seasons of 2011 and 2012 in order to study the effect of spraying purshade at (2, 4 %), Ca(OH)2 at (1, 2 %) and Kaolin at (2, 4 %) on reducing fruit sunburn of three years old Wonderful pomegranate (Punica granatum L.) trees grown in sandy soil of private farm at Alexandria desert road, Egypt. All experimental trees were sprayed twice (21 days after fruit set and one month later) in each season. Results showed that, Kaolin at 2 % significantly increased fruit weight (g), yield (Kg/tree) and non-edible part (%) as compared with the control and the other treatments. Meanwhile, Kaolin application at 4 % led to a marked reduction in cracked and sunburned fruits, increasing the marketable fruits. Also, treatment with Kaolin at 4 % increased fruit chemical contents (TSS, TSS/acidity, vitamin C, anthocyanin pigment and total sugars) and redness fruit as compared to the other treatments. While, Ca (OH)2 at 2 % caused a significant increase in fruit length and diameter (cm). In addition, Purshade at 4 % caused the highest increase in fruit edible part (%) and acidity (%).Generally, all treatments were effective in reducing the percentage of Wonderful pomegranate fruit sunburn. In addition, the treatment of Kaolin at 4 % was more effective than the other treatments under the experimental conditions.

DOI

10.21608/ejoh.2015.1332

Keywords

pomegranate, Purshade, Ca(OH)2, kaolin, fruit quality

Volume

42

Article Issue

2

Related Issue

297

Issue Date

2015-12-01

Receive Date

2015-06-09

Publish Date

2015-12-31

Page Start

795

Page End

806

Print ISSN

1110-0206

Online ISSN

2357-0903

Link

https://ejoh.journals.ekb.eg/article_1332.html

Detail API

https://ejoh.journals.ekb.eg/service?article_code=1332

Order

5

Type

Original Article

Type Code

137

Publication Type

Journal

Publication Title

Egyptian Journal of Horticulture

Publication Link

https://ejoh.journals.ekb.eg/

MainTitle

Effect of Some Treatments on Reducing Sunburn in Wonderful Pomegranate Fruit Trees

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Type

Article

Created At

22 Jan 2023