Volume 12, Issue 53 (vol. 12, no. 53 2023)
2023, 12(53): 371-388 |
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Yousefi R, Esna-ashari M. Physiological responses of strawberry plant to the nutritional application of silicon micro- and nanoparticles. Plant Process and Function 2023; 12 (53) : 23
URL: http://jispp.iut.ac.ir/article-1-1756-en.html
URL: http://jispp.iut.ac.ir/article-1-1756-en.html
1- Member of Academic Staff in Date Palm and Tropical Fruits Research Center, Horticultural Sciences Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Ahvaz, Iran , r.yousefi66@areeo.ac.ir
2- Department of Horticultural Sciences, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Iran
2- Department of Horticultural Sciences, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Iran
Abstract: (782 Views)
Silicon (Si) is regarded as one of the beneficial nutrient elements for most plants. Si increases the yield and crop quality and plays an important role in plant resistance against the environmental stresses. With science development and nanoparticle production, their application in different industry such as agriculture has gained much atlention. This research was conducted in a factorial experiment based on a completely randomized design with 3 replications and 4 plants in each replicate. Foliar spray and root application were carried out using 20, 40, 60 and 80 mg L-1 micro- and nano-SiO2 at two growth stages (the first stage in 4-5 leaves of plants and second stage two weeks after first stage). Physiological characteristics including leaf relative water content, leaf and fruit carbohydrate, leaf and fruit nitrate, chlorophyll (a, b, total) and carotenoied and activity of catalase and peroxidase were measured. The results showed that applied treatments did not have any significant effect on leaf relative water content and fruit nitrate, but application of silicon increased significantly leaf and fruit carbohydrate as well as leaf nitrate. Silicon, particularly at the nanoscale, led to a significant increase of chlorophyll a, b and total, but had no significant effect on the amount of carotenoid. Application of silicon led to a significant increase of catalase activity, but had no significant effect on the activity of peroxidase. Totally, application of nano-silicon in comparison with the control and mico-silicon had the positive effects on physiological characteristics of strawberry plants. Overall, in hydroponic culture and greenhouse production of strawberries, according to the results of this research, the application of 60 mg L-1 nano-SiO2 through the root apply method is recommended.
Article number: 23
Type of Study: Research |
Subject:
Horticulture
Received: 2022/08/1 | Accepted: 2022/08/30 | Published: 2023/05/28
Received: 2022/08/1 | Accepted: 2022/08/30 | Published: 2023/05/28
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