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HORMONAL REGULATION OF PLANT GROWTH REGULATOR BR ANDSHK-6 ON SOYBEAN BIOMASS AND NITROGENASE ACTIVITY(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2004年02期
Page:
96-100
Research Field:
Publishing date:

Info

Title:
HORMONAL REGULATION OF PLANT GROWTH REGULATOR BR ANDSHK-6 ON SOYBEAN BIOMASS AND NITROGENASE ACTIVITY
Author(s):
Zhang Ming cai 　He Zhongpei 　Tian Xiaoli 　Wang Baomin 　Duan liusheng 　Zhai zhixi 　Li Zhaohu
The Center of Crop Chemical Control , College of Agronomy and Biotechnology ,China Agricultural University , Bei jing 100094
Keywords:
Rhizobium ; Plant g row th regulato r ; Hormone ; Soybean ; Nodule
PACS:
S 565.1
DOI:
10.11861/j.issn.1000-9841.2004.02.0096
Abstract:
A comparative study w as conducted on regulation of brassinolide(BR)and SHK -6 on the symbiosisbetween soybean and rhizobium strains of CCBAU110Tand USDA6Tunder sterili ty sandy culture and pot experiment.The result s showed that BR and SHK -6 sig nificant ly increased the dry weig ht of roo t and shoot , nodulenumbers nodule weight and nitrogenase activity in different inoculated rhizobium strains .The ni trogen contentw as evidently increased by BR and SHK -6 in the nodule , roo t and shoots .Plant grow th reg ulator reg ulated thenodule number and fix ing nitrogen activity by the ho rmone balance .It was found that the CTK/GA and CTK/IAA was up -regulation of nodule fixing nit rogen activity , and the IAA/ABA and GA/ABA w as dow n -regulationof nodule fixing nit rogen act ivity .

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Last Update: 2016-12-31