Effects of quercetin and enhanced UV-B radiation on the soybean [Glycine max] leaves

• Autorzy: An Y Y , Qun Z.Y. , Yuan L.
• Języki publikacji: EN

Abstrakty

EN

The possible ameliorative effects of quercetin on soybean [Glycine max (L.) Merr.] leaves exposed to UV-B radiafion were conducted in greenhouse. The symmetrical leaves supplied with quercetin sofufion (0.2 %, 1 %) were exposed to UV-B radiation (0, 3.5, 6.5 kJm⁻²d⁻¹). 0.2 % quercetin ameliorated leaf photosynthesis, improved leaf water content (LWC), and decreased lipid oxidation. The unfavorable effect on photosynthetic parameter was displayed in 1 % quercetin treatment. The effect of quercetin on phenylalanine ammonia lyase (PAL) activity varied with the quercetin concentration, UV-B radiation intensity and leaf development. In the later development polyphenol oxidase (PPO) activity was increased significantly by quercetin treatments. We suggested that quercetin with suitable concenfrafion could serve as UV-B protective agent partly due to its antioxidant capacity.

Słowa kluczowe

EN

soybean; oxidative stress; Glycine max; quercetin; ultraviolet radiation; leaf

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2006
• Tom: 28
• Numer: 1
• Opis fizyczny: p.49-57,fig.,ref.

Twórcy

autor

An Y Y

• Yunnan Agricultural University, Kunming 650201, P.R.China

autor

Qun Z.Y.

autor

Yuan L.

Bibliografia

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