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Acta Agronomica Sinica ›› 2018, Vol. 44 ›› Issue (02): 260-267.doi: 10.3724/SP.J.1006.2018.00260

• Orginal Article • Previous Articles     Next Articles

Relationship between Grain Filling Parameters and Grain Weight in Leading Wheat Cultivars in the Yellow and Huai Rivers Valley

Yong-Jie MIAO1, Jun YAN2, De-Hui ZHAO1, Yu-Bing TIAN1, Jun-Liang YAN1, Xian-Chun XIA1, Yong ZHANG1,*(), Zhong-Hu HE1,3   

  1. 1 Institute of Crop Science / National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
    2 Institute of Cotton Research, CAAS, Anyang 455000, Henan, China
    3 CIMMYT-China Office, c/o CAAS, Beijing 100081, China
  • Received:2017-06-20 Accepted:2017-11-21 Online:2018-02-12 Published:2017-12-11
  • Contact: Yong ZHANG E-mail:zhangyong05@caas.cn
  • Supported by:
    This study was supported by the National Basic Research Program of China (2014CB138105), Core Research Budget of the Non-profit Governmental Research Institutions of the Institute of Crop Science of CAAS (1610092016101), National Key Research and Development Program of China (2016YFE0108600), and Agricultural Science and Technology Innovation Program of CAAS.


The knowledge on relationship between grain weight and grain-filling parameters is important for yield potential and stability improvement of common wheat. Logistic equation was used for fitting the grain-filling dataset from 14 leading cultivars and advanced lines, sown at Anyang, Henan province in three successive seasons from 2012 to 2015. The results showed that grain weight and all grain-filling rate (GFR) related parameters were mainly influenced by genotype, while grain-filling period related parameters were mainly influenced by environment. There was significant difference on all GFR parameters including the average and the highest GFR, and those in the three periods among cultivar groups based on grain weight, showing a trend of high-grain-weight cultivar > medium-grain-weight cultivar > low-grain-weight cultivar, whereas there was no significant difference for grain-filling period related parameters among the cultivar groups. GFR, especially in the fast increase period, was the major factor that made the significant difference of grain weight among cultivars. Positive correlations between grain weight and all GFR related parameters were observed (P < 0.001), with the coefficients of 0.97 for GFR in the fast increase period and 0.90 for average GFR, whereas no significant correlations were found between grain weight and grain-filling period related parameters. Therefore, average GFR was proposed to be used in quantitative trait loci mapping to improve grain weight of wheat in the Yellow and Huai Rivers Valley.

Key words: common wheat, grain weight, cultivar group based on grain weight, average grain-filling rate

Table 1

Names, pedigrees and released years of the 14 cultivars investigated"

Year released
1 周麦16 Zhoumai 16 豫麦21/周8425B Yumai 21/Zhou 8425B 2002
2 周麦18 Zhoumai 18 内乡185/豫麦21 Neixiang 185/Yumai 21 2004
3 良星99 Liangxing 99 稳千1号/鲁麦14//PH 85-16 Wenqian 1/Lumai 14//PH 85-16 2004
4 矮抗58 Aikang 58 周麦11//豫麦49/郑州8960 Zhoumai 11//Yumai 49/Zhengzhou 8960 2005
5 郑麦366 Zhengmai 366 豫麦2/百泉 3199 Yumai 2/Baiquan 3199 2005
6 济麦22 Jimai 22 935024/935106 2006
7 良星66 Liangxing 66 济91102/济麦19 Ji 91102/Jimai 19 2008
8 周麦27 Zhoumai 27 周麦16/矮抗58 Zhoumai 16/Aikang 58 2011
9 丰德存麦1号 Fengdecunmai 1 周9811/矮抗58 Zhou 9811/Aikang 58 2011
10 中麦895 Zhongmai 895 周麦16/荔垦4号 Zhoumai 16/Liken 4 2012
11 中麦875 Zhongmai 875 周麦16/荔垦4号 Zhoumai 16/Liken 4 2014
12 中麦871 Zhongmai 871 周麦16/荔垦4号 Zhoumai 16/Liken 4 /
13 中麦140 Zhongmai 140 良星99/矮抗58 Liangxing 99/Aikang 58 /
14 荔垦4号 Liken 4 未知 Unknown /

Table 2

Mean and variation of thousand-grain weight (TGW) and grain-filling parameters of the 14 cultivars investigated"

Grain-filling parameter
Range of total variation
Range of cultivar variation
Range of year variation
千粒重 TGW (g) 47.2 38.3-59.1 41.8-53.8 45.2-51.1
平均灌浆持续时间 T (d) 38.4 34.0-43.0 36.3-40.3 36.6-41.6
平均灌浆速率 Ra (mg grain-1 d-1) 1.28 1.07-1.57 1.15-1.50 1.25-1.31
最大灌浆速率到达时间 Tmax (d) 19.0 14.9-22.2 18.0-19.8 16.8-21.0
最大灌浆速率 Rmax (mg grain-1 d-1) 2.30 1.72-2.87 1.94-2.63 2.23-2.38
渐增期持续时间 T1 (d) 11.9 9.2-14.2 11.3-12.4 10.4-13.2
渐增期灌浆速率 R1 (mg grain-1 d-1) 0.88 0.72-1.09 0.78-1.02 0.84-0.93
渐增期增重量 W1 (mg grain-1) 10.4 8.0-13.6 9.2-12.1 9.7-11.5
快增期持续时间 T2 (d) 14.2 9.9-18.3 12.7-15.5 12.7-15.7
快增期灌浆速率 R2 (mg grain-1 d-1) 2.02 1.51-2.52 1.70-2.31 1.96-2.08
快增期增重量 W2 (mg grain-1) 28.5 21.9-37.2 25.2-33.3 26.4-31.4
缓增期持续时间 T3 (d) 12.3 9.0-15.9 11.1-13.9 10.8-13.4
缓增期灌浆速率 R3 (mg grain-1 d-1) 0.86 0.53-1.26 0.69-1.10 0.73-0.95
缓增期增重量 W3 (mg grain-1) 10.4 8.0-13.6 9.2-12.1 9.7-11.5

Table 3

Analysis of variance for TGW and grain-filling parameters of the 14 cultivars"

Fig. 1

Grain-filling rate curve of different grain-weight wheat cultivars"

Table 4

Grain-filling parameters in different grain-weight cultivars"

Grain-filling parameter
High grain weight cultivar
Medium grain weight cultivar
Low grain weight cultivar
千粒重 TGW (g) 56.5 a 50.0 b 45.1 c
平均灌浆持续时间 T (d) 38.2 a 39.0 a 38.0 a
平均灌浆速率 Ra (mg grain-1 d-1) 1.48 a 1.28 b 1.19 c
最大灌浆速率 Rmax (mg grain-1 d-1) 2.59 a 2.29 b 2.16 c
最大灌浆速率到达时间 Tmax (d) 19.4 a 19.3 a 18.5 b
渐增期持续时间 T1 (d) 12.1 a 12.0 a 11.6 a
渐增期灌浆速率 R1 (mg grain-1 d-1) 0.99 a 0.88 b 0.82 c
渐增期增重量 W1 (mg grain-1) 11.9 a 10.6 b 9.5 c
快增期持续时间 T2 (d) 14.1 a 14.4 a 13.9 a
快增期灌浆速率 R2 (mg grain-1 d-1) 2.27 a 2.00 b 1.89 c
快增期增重量 W2 (mg grain-1) 32.6 a 28.9 b 26.1 c
缓增期持续时间 T3 (d) 11.7 a 12.5 a 12.5 a
缓增期灌浆速率 R3 (mg grain-1 d-1) 1.05 a 0.85 b 0.78 c
缓增期增重量 W3 (mg grain-1) 11.9 a 10.6 b 9.5 c

Fig. 2

Linear regressions between thousand-grain weight and grain-filling rate A: grain-filling rate in the fast increase period; B: average grain-filling rate."

Table 5

Correlation coefficients between thousand-grain weight and grain-filling parameters"

T Ra Tmax Rmax T1 R1 W1 T2 R2 W2 T3 R3 W3
TGW 0.03 0.90*** 0.42 0.87*** 0.46 0.85*** 0.97*** 0.23 0.97*** 0.97*** -0.40 0.86*** 0.97***
T -0.13 0.67** -0.21 0.55* -0.04 0.13 0.56* -0.21 0.13 0.36 -0.08 0.13
Ra 0.40 0.87*** 0.43 0.96*** 0.97*** 0.23 0.87*** 0.97*** -0.57* 0.94*** 0.97***
Tmax 0.07 0.80*** 0.38 0.57* 0.85*** 0.07 0.57* -0.42 0.57* 0.57*
Rmax 0.37 0.81*** 0.82*** -0.22 0.97*** 0.82*** -0.19 0.67** 0.82***
T1 0.30 0.57* 0.37 0.37 0.57* -0.17 0.46 0.57*
R1 0.95*** 0.32 0.81** 0.95*** -0.51 0.91*** 0.95***
W1 0.38 0.82*** 0.99*** -0.47 0.92*** 0.99***
T2 -0.22 0.38 -0.51 0.48 0.38
R2 0.82*** -0.19 0.67** 0.82***
W2 -0.48 0.92*** 0.99***
T3 -0.78** -0.47
R3 0.92***
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