|Table of Contents|

A STUDY ON IDENTIFICATION PROCEDURE FOR SOYBEAN STEM GROWTH HABIT TYPE(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2005年02期
Page:
81-89
Research Field:
Publishing date:

Info

Title:
A STUDY ON IDENTIFICATION PROCEDURE FOR SOYBEAN STEM GROWTH HABIT TYPE
Author(s):
Liu Shunhu　Wang Jinhua 　Zhang Mengchen　Gai Junyi＊＊
(Soybean Research Institute of Nanjing Agricultural University , National Center for Soybean Impro-vement , National Key Laboratory for Crop Genetics and Germplasm Enhancement , Nanjing 210095)
Keywords:
Soybean ; Stem grow th habit ; ETIMS; RVNN
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2005.02.0081
Abstract:
In order to find a simple , clear , and exact identification procedure for soybean stem growth habittype , Bernard’s stem termination types and related characters of 1536 landraces and F 1 , F 2 , F 3 of 6 crosseswere studied in Nanjing and Shijiazhuang in 1988 -1997.T he relative value of number of nodes above thenode with largest leaf on main stem (RVNN)and the existence of terminal inflorescence on main stem(ETIMS)were found to be the component characters of stem grow th habit types.By using the componentcharacters, stem growth habit could be divided clearly into determinate type (with ETIMS , RVNN <0.2in summer planting or RVNN <0.25 in spring planting), semi -determinate type (with ETIMS , RVNN ≥0.2 in summer planting or RVNN ≥0.25 in spring planting), and indeterminate type (without ETIMS ,RVNN ≥0 .2 in Summer planting or RVNN ≥0.25 in spring planting).There existed good coincidence be-tween the component method and Bernard’s method .T he results by this method are relatively accurate andstable and the survey can be finished at one time of observation during R 3 -R 7 .Therefore the former maysubstitute for the latter in field survey .

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Last Update: 2016-12-23