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Volume 31
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Retraction of Molecules 2021, 26(9), 2805.
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Retraction

RETRACTED: Osman et al. Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil. Molecules 2021, 26, 2805

by
Ali Osman
1,*,
Abdel-Rahaman M. Merwad
2,
Azza H. Mohamed
3,4 and
Mahmoud Sitohy
1
1
Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
2
Soil Science Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
3
Agricultural Chemistry Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt
4
Citrus Research and Education Center, University of Florida, IFAS, Lake Alfred, FL 33850, USA
*
Author to whom correspondence should be addressed.
Molecules 2026, 31(11), 1808; https://doi.org/10.3390/molecules31111808
Submission received: 18 May 2026 / Accepted: 20 May 2026 / Published: 25 May 2026
Versions Notes
The journal retracts the article titled “Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil” [1], cited above.
Following publication, concerns were brought to the attention of the Editorial Office regarding the integrity of an image presented in this publication [1].
In accordance with the journal’s standard procedures, the Editorial Office and Editorial Board conducted an investigation and identified indications of inappropriate image editing contained within Figure 3B. Although the authors cooperated with the investigation, the explanations and supporting materials provided were not deemed sufficient by the Editorial Board to resolve the identified concerns. Consequently, the Editorial Board has lost confidence in the reliability of the findings and decided to retract this publication, as per MDPI’s retraction policy.
This retraction was approved by the Editor-in-Chief of the Molecules journal.
The authors have been informed of this retraction and have indicated their disagreement with this decision.

Reference

  1. Osman, A.; Merwad, A.-R.M.; Mohamed, A.H.; Sitohy, M. RETRACTED: Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil. Molecules 2021, 26, 2805. [Google Scholar] [CrossRef] [PubMed]
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.

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MDPI and ACS Style

Osman, A.; Merwad, A.-R.M.; Mohamed, A.H.; Sitohy, M. RETRACTED: Osman et al. Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil. Molecules 2021, 26, 2805. Molecules 2026, 31, 1808. https://doi.org/10.3390/molecules31111808

AMA Style

Osman A, Merwad A-RM, Mohamed AH, Sitohy M. RETRACTED: Osman et al. Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil. Molecules 2021, 26, 2805. Molecules. 2026; 31(11):1808. https://doi.org/10.3390/molecules31111808

Chicago/Turabian Style

Osman, Ali, Abdel-Rahaman M. Merwad, Azza H. Mohamed, and Mahmoud Sitohy. 2026. "RETRACTED: Osman et al. Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil. Molecules 2021, 26, 2805" Molecules 31, no. 11: 1808. https://doi.org/10.3390/molecules31111808

APA Style

Osman, A., Merwad, A.-R. M., Mohamed, A. H., & Sitohy, M. (2026). RETRACTED: Osman et al. Foliar Spray with Pepsin-and Papain-Whey Protein Hydrolysates Promotes the Productivity of Pea Plants Cultivated in Clay Loam Soil. Molecules 2021, 26, 2805. Molecules, 31(11), 1808. https://doi.org/10.3390/molecules31111808

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