|Table of Contents|

Classification Research on Maturity Groups of ‘Jiyu’ Series Soybean Cultivars(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年02期
Page:
201-208
Research Field:
Publishing date:

Info

Title:
Classification Research on Maturity Groups of ‘Jiyu’ Series Soybean Cultivars
Author(s):
ZHENG Yu-hong;  CHEN Liang; FAN Xu-hong;  ZHANG Yun-feng; MENG Fan-fan;  SUN Xing-miao;  WANG Ming-liang; WANG Shu-ming
Soybean Research Institute, Jilin Academy of Agricultural Sciences/National Engineering Research Center for Soybean, Changchun 130033, China
Keywords:
Soybean;  Cultivar;  Maturity group (MG);  Classification
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.02.0201
Abstract:
The objective of this study was to identify the maturity groups (MG) of ‘Jiyu’ soybean cultivars in order to promote scientific introduction of soybean varieties between Jilin and other different regions and international exchange and cooperation. The MG category of 95 ‘Jiyu’ series soybean cultivars released in recent years was identified in 2013 and 2014 using two methods of classification. The classification standard of the first method was according to the days from emergence to maturity of the standard varieties from USA. The second classification method was according to the active accumulated temperature of each cultivar.The results showed that the MGs of 95 varieties ranged from MG 0 to MGⅢ- MGⅡcontained the most varieties and MGⅢ contained the lest varieties. The classification results of 89 varieties were consistent according to the two classification methods accounting for 93.7% of the identified cultivars.There were 6 varieties which were not classified the same maturity group accounting for 6.3% of the identified cultivars.Through the comparison of duration days of cultivars from different MGs in R1, R7 and R8 stages, the validity of the MG category was verified.The early maturing varieties in Jilin were mainly belong to MG 0 and MG I, and the late maturing cultivars were mainly belong to maturing group MGⅡ. These results will provide scientific data for the improvement of the system of maturity group classification system of Chinese soybean varieties.

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Last Update: 2016-04-04