Comparative effects of mineral fertilizer and digestate on growth, antioxidant system, and physiology of lettuce under salt stress

Li, Faqinwei; Yuan, Yongheng; Gong, Pengxuan; Imazumi, Yoshiaki; Na, Risu; Shimizu, Naoto

Comparative effects of mineral fertilizer and digestate on growth, antioxidant system, and physiology of lettuce under salt stress

Li, Faqinwei; Yuan, Yongheng; Gong, Pengxuan et al.

Horticulture, Environment, and Biotechnology, 2023, 64, 379-391

Permalink : https://hdl.handle.net/2115/88531

このアイテムのアクセス数:369件（2026-03-13 06:50 集計）

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https://doi.org/10.1007/s13580-022-00492-w			3

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アクセス権	metadata only access
URI	https://hdl.handle.net/2115/88531
タイトル	Comparative effects of mineral fertilizer and digestate on growth, antioxidant system, and physiology of lettuce under salt stress
著者	Li, Faqinwei ; Yuan, Yongheng ; Gong, Pengxuan ; Imazumi, Yoshiaki ; Na, Risu ; Shimizu, Naoto
著者名 Li, Faqinwei
著者名 Yuan, Yongheng
著者名 Gong, Pengxuan
著者名 Imazumi, Yoshiaki
著者名 Na, Risu
e-Rad_Researcher 70323251 著者名 Shimizu, Naoto
言語	英語
キーワード	Antioxidant system
	Digestate
	Growth
	Lettuce
	Physiological characteristics
	Salt stress
発行日	2023-03-22
出版者	Korean Society for Horticultural Science
収録物名	Horticulture, Environment, and Biotechnology
巻(号)	64
ページ	379-391
抄録	Salt stress in plants presents a major challenge to future agricultural production. Digestate has various effects on plant growth, but little information is available on its effects on the antioxidant system and physiological characteristics of lettuce under salt stress. In this study, the impacts of mineral fertilizer and digestate application on edible parts of lettuce were compared under three salinities. Experimental treatments comprised application of two types of fertilizer (mineral fertilizer and digestate) and three NaCl concentrations (0, 3, and 7.5 dS m(- 1)). High NaCl concentrations resulted in significantly lower photosynthesis, growth, and physiological indices compared with those under no NaCl addition. However, under the 7.5 dS m(- 1) NaCl condition, digestate application (DA) increased the fresh weight (42%), dry weight (27%), photosynthetic pigment contents and photosynthesis (20%) of lettuce compared with that under mineral fertilizer application (MFA). Accumulation of reactive oxygen species was markedly lower, and the membrane stability index was therefore higher, under DA compared with under MFA within the same salinity level. Lipid peroxidation was lower under DA compared with under MFA in all salinity treatments. Salt stress up-regulated the antioxidant system and DA further increased the enzymatic and non-enzymatic antioxidant capability compared with that under MFA. In addition, the total water use was lower and water-related indices, such as water use efficiency of fresh weight, water use efficiency of dry weight and relative water content, were higher under DA compared with under MFA. The application of digestate instead of mineral fertilizer could be a promising practice to alleviate the negative impact of salt stress on the productivity and physiological characteristics of lettuce plants.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
PISSN	2211-3452
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1007/s13580-022-00492-w