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© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

Abnormal production of reactive oxygen species (ROS) is an undesirable event which occurs in plants due to stress. To meet this event, plants synthesize ROS-neutralizing compounds, including the non-enzymatic oxidant scavenger known as vitamin C: ascorbic acid (AsA). In addition to scavenging ROS, AsA modulates many vital functions in stressed or non-stressed plants. Thus, two-season (2018/2019 and 2019/2020) trials were conducted to study the effect of integrative treatment (seed soaking + foliar spray) using 1.0 or 2.0 mM AsA vs. distilled water (control) on the growth, seed yield, and oil yield of parsley plants under three sowing dates (SDs; November, December, and January, which represent adverse conditions of late sowing) vs. October as the optimal SD (control). The ion balance, osmotic-modifying compounds, and different antioxidants were also studied. The experimental layout was a split plot in a completely randomized block design. Late sowing (December and January) noticeably reduced growth traits, seed and oil yield components, and chlorophyll and nutrient contents. However, soluble sugar, proline, and AsA contents were significantly increased along with the activities of catalase (CAT) and superoxide dismutase (SOD). Under late sowing conditions, the use of AsA significantly increased growth, different yields, essential oil fractions, CAT and SOD activities, and contents of chlorophylls, nutrients, soluble sugars, free proline, and AsA. The interaction treatments of SDs and AsA concentrations indicated that AsA at a concentration of 2 mM was more efficient in conferring greater tolerance to adverse conditions of late sowing in parsley plants. Therefore, this study recommends 2.0 mM AsA for integrative (seed soaking + foliar spraying) treatment to prolong the sowing period of parsley seeds (from October up to December) and avoid damage caused by adverse conditions of late sowing.

Details

Title
Integrative Seed and Leaf Treatment with Ascorbic Acid Extends the Planting Period by Improving Tolerance to Late Sowing Influences in Parsley
Author
Al-Taweel, Sudad K 1   VIAFID ORCID Logo  ; Belal, Hussein E E 2   VIAFID ORCID Logo  ; El Sowfy, Dalia M 3 ; Desoky, El-Sayed M 4 ; Rady, Mostafa M 2   VIAFID ORCID Logo  ; Mazrou, Khaled E 5 ; Maray, Ahmed R M 6 ; El-Sharnouby, Mohamed E 7 ; Alamer, Khalid H 8 ; Ali, Esmat F 9   VIAFID ORCID Logo  ; Abou-Sreea, Alaa I B 10 

 Field Crops Department, College of Agriculture Engineering Sciences, University of Baghdad, Al-Jadiriya, Baghdad 10071, Iraq; [email protected] 
 Botany Department, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt; [email protected] 
 Soils and Water Department, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt; [email protected] 
 Botany Department, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt; [email protected] 
 Plant Biotechnology Department, Genetic Engineering and Biotechnology Institute, Sadat City University, Alminufiya 32958, Egypt; [email protected] 
 Food Science and Technology Department, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt; [email protected] 
 Department of Biotechnology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; [email protected] 
 Biological Sciences Department, Faculty of Science and Arts, King Abdulaziz University, P.O. Box 344, Rabigh 21911, Saudi Arabia; [email protected] 
 Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; [email protected] 
10  Horticulture Department, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt; [email protected] 
First page
334
Publication year
2022
Publication date
2022
Publisher
MDPI AG
e-ISSN
23117524
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2652976063
Copyright
© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.