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Effects of Plant Growth Regulators (PGRs) on the Abscission of Flower and Pod of Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年05期
Page:
783-786
Research Field:
Publishing date:

Info

Title:
Effects of Plant Growth Regulators (PGRs) on the Abscission of Flower and Pod of Soybean
Author(s):
ZHENG Dian-feng1; ZHAO Li-ming2; YU Yang1; FENG Nai-jie1; ZHAO Jiu-xiang1
1College of Plant Science，Heilongjiang August First Land Reclamation University，Daqing 163319，Heilongjiang;
2Rice Research Institute of Land Reclamation Academy of Heilongjiang Province，Jiamusi 154025，Heilongjiang，China
Keywords:
Plant growth regulators; Soybean; Abscission; Yield
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.05.0783
Abstract:
The abscission of flower and pod is one of main problems affecting grain yield of soybean.In the present study，three PGRs of SOD simulation material (SOD-M)，Choline chloride (Cc) and Diethyl aminoethyl hexanoate (DTA-6)were sprayed at R1 stage with soybean cultivar Kennong 4 as material，and the effect of PGRs on abscission of flowers and pods was determined.Compared with CK,the number of flower and pod significantly increased under Cc treatment.DTA-6 and SOD-M effectively reduced the abscission number of flower and pod；DTA-6 markedly enhanced plant height，stem diameter，and yield structures.13.24 % of yield increases were obtained under DTA-6 treatment.Results suggest that it is effective to enhance the numbers of flower and pod by spraying Cc and DTA-6 on soybean leaves，and DTA-6 had better yield increasing effect.

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Last Update: 2014-10-06