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Isolation and identification of allelopathic compounds in the volatile oil from Ajania tenuifolia inhibiting Elymus nutans

Zhen Runde, Zhang Shuyuan, Bai Xuefang, Gu Lihua, Zhang Baochen

Northwest Plateau Institute of Biology,The Chines Academy of Sciences.Xining 810001,Qinghai

Abstract

The volatile oil from leaves and stems of Ajania tenuifolia was analysed by GC, GC/MS and column chromatography. About 49 compounds were identified in the volatile oil of A. tenuifolia, most of which were terpenes. 8 major compounds account for 82.80% of the total. Camphor, pulegone and 1, 8-cineole being the major ones. Accounting for 31.71%, 15.26% and 12.84% respectively of the total volatile oil. The growth and development of E. nutans were inhibited by the volatile oil from A. tenuifolia.

Key words: Elymus nutans;The volatile oil of Ajania tenuifolia;Camphor;Allelopathy

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Citing This Article：

Zhen Runde, Zhang Shuyuan, Bai Xuefang, Gu Lihua, Zhang Baochen. Isolation and identification of allelopathic compounds in the volatile oil from Ajania tenuifolia inhibiting Elymus nutans. Acta Physiol Sin 1996; 48 (3): (in Chinese with English abstract).