Elevated ozone effects on potato leaf physiology, growth, and yield: a meta-analysis.
Environ Sci Pollut Res Int
; 30(57): 120483-120495, 2023 Dec.
Article
en En
| MEDLINE
| ID: mdl-37945953
ABSTRACT
Potato is an important crop worldwide and threatened by various environmental stresses, including elevated ozone (e[O3]). Here, we conducted a meta-analysis to quantify the effect of e[O3] on potato plants and how it varies depending upon different experimental conditions. Regarding plant growth and biomass, e[O3] significantly decreased shoot biomass by 18% and belowground biomass by 35%, while it increased the leaf area index by 19% and total number of injured leaves by 146%. As for yield, e[O3] significantly decreased the total tuber number by 21%. A relatively pronounced effect of e[O3] on the stomatal conductance was observed when exposure lasted 31-60 days, which was significantly greater than that after exposure lasted 96-311 days. The overall quantity of leaves was mainly decreased by higher (100-150 ppb) than lower (30-80 ppb) concentrations of e[O3] compared to ambient O3. The effect of e[O3] on the total tuber number was significant mainly when exposure lasted 31-90 days and was greater in plants grown in growth chambers than those planted in open-top chambers and glasshouses. The effect of e[O3] stress on physiology, growth, and yield varied among cultivars, with some cultivars showing marked tolerance relative to other cultivars. The findings can guide strategies to manage the negative impacts of e[O3] stress on potato production.
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Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Ozono
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Solanum tuberosum
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Hojas de la Planta
Tipo de estudio:
Systematic_reviews
Idioma:
En
Revista:
Environ Sci Pollut Res Int
Año:
2023
Tipo del documento:
Article
País de afiliación:
China