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几种植物生长调节剂对石蒜生理生化特性的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2004年04期
Page:
39-42
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Effects of Plant Regulators on Physiological and Biochemistry Characters of Lycoris radiata
Article ID:
1000-2006(2004)04-0039-04
Author(s):
WANG LeiZHAO Jiu-zhouTANG Geng-guo~*
College of Forest Resources and Environment Nanjing Forestry University,Nanjing 210037,China
Keywords:
Lycoris radiataPlant regulatorPhysiologyAnthesis
Classification number :
Q945
DOI:
10.3969/j.jssn.1000-2006.2004.04.009
Document Code:
A
Abstract:
The effect of exogenous ethrel,GA_3 and boric acid on physiology and anthesis of Lycoris radiata were studied.Results showed that applicaticon of ethrel within the concentration of 100~200 mg/L and 50~200 mg/L GA_3 improved chlorophyll content.All concentration of ethrel lowered caroteniod content.Boric acid of concentration of 150 mg/L and (200 mg/L) improve caroteniod content.Ethrel improve MDA content and lowered SOD activity.GA_3 is in opposition with ethrel.With the treatment concentration of ethrel improved GA_3 and IAA content in leaves reduced gradually.ABA content in leaves is the highest when ethrel treat with 150 mg/L.The higher concentration of exogenous GA_3,the higher GA_3 content and the lower ABA content in leaves.IAA content in leaves were significantly improved by application of GA_3 at 100 mg/L.With the treatment concentration of boric acid improved,ABA and IAA content all rised in leaves,but GA_3 content doesn′t change obviously.ABA/GA_3 and (ABA/IAA) improved with the treatment concentration of boric acid arised.The treatment concentration of GA_3 had no effects on ABA/IAA.The anthesis advance 7 d after applicated ethrel at 150 mg/L and advance 16 d after applicated ethrel at 200 mg/L.Applicated GA_3 had no significantly effect on anthesis.The anthesis advance 5 d after applicated boric acid at (200 mg/L).

References

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Last Update: 1900-01-01