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Effect of Acetochlor on Physiological and Biochemical Characteristics of Soybean Seedlings(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年02期
Page:
290-292
Research Field:
Publishing date:

Info

Title:
Effect of Acetochlor on Physiological and Biochemical Characteristics of Soybean Seedlings
Author(s):
ZHANG Ming-boHE Fu-liLI ZhuoCHEN Li-liGUO Xiao-huiZHAO Chang-shan
College of Agronomy,Northeast Agricultural University,Harbin 150030,China
Keywords:
AcetochlorSoybeanRoot activitySuperoxide dismutaseMalondialdehyde
PACS:
S482.4;S565.1;
DOI:
10.11861/j.issn.1000-9841.2014.02.0290
Abstract:
The soybean cultivar Dongnong 52 was pot planted,five doses of acetochlor(0,1890,2700,4050,5400 g.ha-1)were leaf sprayed after emergence.Soybean plants were sampled on 7,14,21,28 days after spraying,respectively,and chlorophyll content(CC),root activity(RA),superoxide dismutase(SOD)activity and malondialdehyde(MDA)content were determined.With the increment of acetochlor concentrations,CC and RA decreased,while SOD and MDA increased gradually.As the time prolonged,CC and RA of all acetochlor concentration treatments showed a decrease-and-then-increase trend,while SOD and MDA had opposite trend.On the 28th days after spraying,the tested 4 indexes all restored to control level under 1890and 2700 g.ha-1 effective dosage.Results suggest acetochlor of the 1890 and 2700 g.ha-1effective dosage is safe for soybean.

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Last Update: 2014-08-05