Effects of Quercetin on Self-incompatibility and SRK Activity in Brassica oleracea L.

ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (5): 878-880.

• 研究报告 • Previous Articles Next Articles

Effects of Quercetin on Self-incompatibility and SRK Activity in Brassica oleracea L.

Li Chengqiong1;Zhou Qinghong2;Song Hongyuan1;Ren Xuesong1;Si Jun1;Wu Nengbiao3

(¹College of Horticulture and Landscape, Southwest Agricultural University, Key Lab in Vegetable Research of Chongqing, Chongqing 400716, China; ²College of Agriculture Jiangxi Agricultural University, Nanchang 330045, China; ³College of Life Sciences Southwest Normal University, Chongqing 400715, China)

Received:2004-11-11 Revised:2005-01-12 Online:2005-10-25 Published:2005-10-25

Abstract

Abstract: In this experiment, the Self-incompatible ( SI) lines budswere treated with different concentrations of quercetin solution (500, 1 000 and 1 500μmol·L^-1 ). The results showed quercetin could overcome the SI of Brassica oleracea L. significantly. What'smore, the most seeds per pollinated flower were obtained with the treatment of 1 500 μmol·L ^{- 1} quercetin solution among three concentrations. In addition, the self-compatible ( SC) index of 022E1 SI line increased from 0.03 to 4.35, which similarly to bud pollination. Quercetin acted as a kind of Srecep tor kinase ( SRK) inhibitor, it can p revent the signal conduction of SI since it reduced SRK activity by spraying certain concentration quercetin. So it is feasible to overcome the SI by spraying quercetin.

Key words: Brassica oleracea L., Quercetin, Self-incompatibility, SRK

CLC Number:

S 635.1

Li Chengqiong;Zhou Qinghong;Song Hongyuan;Ren Xuesong;Si Jun;Wu Nengbiao. Effects of Quercetin on Self-incompatibility and SRK Activity in Brassica oleracea L.[J]. ACTA HORTICULTURAE SINICA, 2005, 32(5): 878-880.

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Effects of Quercetin on Self-incompatibility and SRK Activity in Brassica oleracea L.

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