Crops ›› 2018, Vol. 34 ›› Issue (2): 93-96.doi: 10.16035/j.issn.1001-7283.2018.02.016

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Effects of Different Row Spaces on Agronomic Traits and Yield of Millet

Yue Maolin,Xue Weirong,Zhang Ruidong,Yue Zhongxiao,Lü RuiZhou,Guo Pengyan   

  1. Institute of Industrial Crop, Shanxi Academy of Agricultural Sciences, Fenyang 032200, Shanxi, China
  • Received:2017-12-14 Revised:2018-02-01 Online:2018-04-20 Published:2018-08-27

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Abstract:

In order to explore the effects of row spaces on yield and agronomic traits of millet, the experiment using complete random zone design, Zhangzagu 5 (many tillers) and Jingu 21 (few tillers) as experiment materials was conducted. There were three treatments, T1 (10cm+50cm), T2 (20cm+40cm) and T3 (30cm+30cm) in the experiment, and the change of yield and agronomic traits in two cultivars under different row spaces treatments were studied. The result showed that T2 had higher yield than T1. Fit row spaces improved Zhangzagu 5 yield through rising the spike number and tillers, and Jingu 21 had higher yield due to improving individual spike traits.

Key words: Millet, Wide-narrow row, Yield, Agronomic traits

Table 1

The multiple comparisons of yield and agronomic characters by the different row spaces"

品种
Variety		 处理
Treatment		 穗长(cm)
Ear length		 穗粗(mm)
Ear diameter		 SPAD 单位面积穗数
Ears per m2		 穗粒重(g)
Grain weight per ear		 千粒重(g)
1000-seed weight		 产量(kg/hm2)
Yield
张杂谷5号 T1 29.58b 26.39ab 53.67b 34.67ab 19.28b 3.12b 6 698.06b
Zhangzagu 5 T2 31.77a 28.70a 57.33a 36.67a 20.75a 3.20a 7 271.99a
T3 30.89ab 25.81b 56.67ab 33.67b 19.44b 3.14ab 6 598.31b
晋谷21号 T1 25.76b 28.94b 45.00b 27.67a 18.33b 2.55a 5 060.48b
Jingu 21 T2 28.59a 30.24a 49.00a 28.33a 19.51a 2.71a 5 523.96a
T3 27.09ab 28.55b 45.33b 28.67a 18.22 b 2.60a 5 140.69b

Table 2

The correlation coefficient between yield and agronomic traits of Zhangzagu 5 under different row spaces"

相关系数
Correlation coefficient		 穗长
Ear length		 穗粗
Ear diameter		 SPAD 单位面积穗数
Ears per m2		 穗粒重
Grain weight per ear		 千粒重
1000-seed weight		 产量
Yield
穗长Ear length 1
穗粗Ear diameter 0.46
SPAD 0.67* 0.44 1
单位面积穗数Ears per m2 0.43 0.81** 0.28 1
穗粒重Grain weight per ear 0.64* 0.76* 0.52 0.59 1
千粒重1000-seed weight 0.51 0.21 0.56 0.35 0.52 1
产量Yield 0.63* 0.84** 0.58 0.88** 0.78** 0.58 1

Table 3

The correlation coefficient between yield and agronomic traits of Jingu 21 under different row spaces"

相关系数
Correlation coefficient		 穗长
Ear length		 穗粗
Ear diameter		 SPAD 单位面积穗数
Ears per m2		 穗粒重
Grain weight per ear		 千粒重
1000-seed weight		 产量
Yield
穗长Ear length 1
穗粗Ear diameter 0.56 1
SPAD 0.69* 0.73* 1
单位面积穗数Ears per m2 0.24 0.49 0.37 1
穗粒重Grain weight per ear 0.85** 0.52 0.68* 0.46 1
千粒重1000-seed weight 0.64* 0.50 0.55 0.56 0.71* 1
产量Yield 0.81** 0.78** 0.84** 0.58 0.86** 0.78** 1

Table 4

The path coefficient of agronomic character and yield of Zhangzagu 5 under different row spaces"

因子
Factor		 直接通径系数
Direct path coefficient		 间接通径系数Indirect path coefficient
穗长
Ear length		 穗粗
Ear diameter		 SPAD 单位面积穗数
Ears per m2		 穗粒重
Grain weight per ear		 千粒重
1000-seed weight
穗长Ear length 0.0678 0.1259 0.0859 0.2093 0.0347 0.1106
穗粗Ear diameter 0.2745 0.0311 0.0564 0.3965 0.0415 0.0447
SPAD 0.1276 0.0456 0.1214 0.1378 0.0284 0.1215
单位面积穗数Ears per m2 0.4883 0.0290 0.2229 0.0360 0.0324 0.0748
穗粒重Grain weight per ear 0.0546 0.0430 0.2085 0.0664 0.2897 0.1132
千粒重1000-seed weight 0.2161 0.0347 0.0568 0.0718 0.1689 0.0286

Table 5

The path coefficient of agronomic character and yield of Jingu 21 under different row spaces"

因子
Factor		 直接通径系数
Direct path coefficient		 间接通径系数Indirect path coefficient
穗长
Ear length		 穗粗
Ear diameter		 SPAD 单位面积穗数
Ears per m2		 穗粒重
Grain weight per ear		 千粒重
1000-seed weight
穗长Ear length 0.0907 0.1435 0.1649 0.0215 0.2688 0.1217
穗粗Ear diameter 0.2557 0.0509 0.1749 0.0430 0.1637 0.0946
SPAD 0.2387 0.0627 0.1874 0.0328 0.2146 0.1050
单位面积穗数Ears per m2 0.0879 0.0222 0.1250 0.0890 0.1466 0.1051
穗粒重Grain weight per ear 0.3157 0.0772 0.1326 0.1622 0.0408 0.1338
千粒重1000-seed weight 0.1893 0.0583 0.1278 0.1324 0.0488 0.2232
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