|Table of Contents|

Photoperiod Responses of A Widely-adapted Soybean Cultivar of Zhonghuang 13(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2018年王连铮先生专辑
Page:
50-55
Research Field:
Publishing date:

Info

Title:
Photoperiod Responses of A Widely-adapted Soybean Cultivar of Zhonghuang 13
Author(s):
JIANG Yan1; 2; LENG Jian-tian1; FEI Zhi-hong1; FENG Tao1; 2; ZU Wei2; WANG Lian-zheng 1; HAN Tian-fu1; WU Cun-xiang1
1Institute of Crop Sciences，Chinese Academy of Agricultural Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement，Beijing 100081；
2College of Agriculture，Northeast Agricultural University，Harbin 150030，Heilongjiang，China
Keywords:
Soybean; Zhonghuang 13; Adaptability; Photoperiod response
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.03.0377
Abstract:
Zhonghuang 13 is the most widely-grown soybean varieties in China in recent years.It adapted to grow in the broad area of Yellow and Huaihe River Valleys，the southern part of North Spring Soybean Planting Area，and some part of South Multi-Planting Soybean Area in this country.In order to analyze the mechanism of its adaptability to changing environments，the plants were treated with 12 h short-days(SD)，16 h long-days(LD）and natural photoperiod treatments respectively，the experiments were conducted to study the photoperiodic responses of Zhonghuang 13 in growth period traits，agronomic traits and quality traits under different photoperiod conditions.Comparisons of photoperiod sensitivity were also made between the different traits of Zhonghuang 13 and between Zhonghuang 13 and other two varieties，Zhonghuang 24 and Fengjiao 66-12，with similar maturity;the performances of Zhonghuang 13 in different provincial uniform tests were analyzed as well.Zhonghuang 13 could bloom and mature normally under short-day（12 h)，long-day（16 h)，and natural photoperiod treatments.Photoperiod sensitivity of its growth period traits was weaker than that of Zhonghuang 24 and Fengjiao 66-12.With increase of day length，the plant type and agronomic traits of Zhonghuang 13 changed significantly.However，the photoperiod responses of the traits like plant height，node number on main stem，branch number，pod number on terminal raceme，seed number and seed weight per plant in Zhonghuang 13 were weaker than those of Zhonghuang 24 and Fengjiao 66-12，but its protein content was more sensitive to photoperiod than that in the other two varieties.From the above results，it was drawn that the less photoperiod sensitivity was the major reason for Zhonghuang 13 to adapt to wide areas.

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Last Update: 2014-09-25