Comparing on the Inducing Isoflavonoids Content in Leaf of Soybean Aroused by Soybean Aphid and Mechanical Damage(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2010年02期

Page:

264-267

Research Field:

Publishing date:

Info

Title:

Comparing on the Inducing Isoflavonoids Content in Leaf of Soybean Aroused by Soybean Aphid and Mechanical Damage

Author(s):

MENG Fan-li¹; 2;  LIU Li-cheng³; LI Wen-bin²;  DUAN Yu-xi¹;  ZHANG Da-yong²;  LI Dong-mei²

1.Plant Protection College, Shenyang Agricultural University, Shenyang 110161, Liaoning;

2.Soybean Institute, Northeast Agricultural University, Harbin 150030，Heilongjiang;

3.Inspection and Quarantine Bureau of Qiqihaer,Qiqihaer 161005,Heilongjiang,China

Keywords:

Soybean aphid; Isoflavonoids; Pest damage; Mechanical damage; Induce

PACS:

S565.1

DOI:

10.11861/j.issn.1000-9841.2010.02.0264

Abstract:

Experiments were conducted to determine whether the content of isoflavonoids is increased by the damage caused by soybean aphid and machines. Samples from leaf of soybean damaged by soybean aphid and machines were analyzed for isoflavonoids content with High Performance Liquid Chromatography(HPLC). Compared with mechanical damage, soybean aphid infection increased the synthetic velocity of isoflavonoids, hence, increased the daidzin and genistin content. Mechanical damage increased glycitin while reduced daidzin content.The duration of induction reaction in ahpid-infested soybean persisted much longer than that of the mechanically damaged plants. Results suggest the changing trends of isoflavonoids content and the induced resistance resulted form the soybean aphid and the mechanical damage were quite different.

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