Crops ›› 2023, Vol. 39 ›› Issue (3): 215-220.doi: 10.16035/j.issn.1001-7283.2023.03.030

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Effects of Sowing and Seedling Cutting in Different Seasons on Agronomic Characteristics of Superior Barley Varieties

Lu Yingji1(), Yang Xiaomeng2(), Pu Xiaoying2, Li Xia2, Yang Liʼe2, Yang Yanbin1, Zeng Yawen2()   

  1. 1Institute of Resources and Plants, Yunnan University, Kunming 650500, Yunnan, China
    2Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, Yunnan, China
  • Received:2021-10-11 Revised:2021-12-29 Online:2023-06-15 Published:2023-06-16

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Abstract:

In order to explore barley production technology and barley varieties suitable for wheat seedling and grain production, the effects of sowing and cutting seedlings at different seasons and stages on 12 agronomic characteristics of 48 varieties were studied. The results showed that sowing season had a significant effect on barely growth, the biological yield and some grain yield agronomic characteristics of barley were significantly different in different seasons. The average values of biological yield and grain yield characteristics of autumn sowing barley were significantly higher than that of others. The average values of plant height, invalid panicles and empty grains of main panicle of autumn sowing barley were lower than that of winter sowing. The overall level of agronomic characteristics of autumn sowing barley was the best. Seedling cutting treatment could reduce the yield per plant and the coefficient of variation changed greatly. Seedling cutting treatment I significantly reduced invalid panicles and empty grains of main panicle and increased the grain yield of barley. Each agronomic characteristic had a significant or extremely significant relationship with at least another agronomic characteristic, and different seedling cutting treatments had a greater impact on the invalid panicle of barley. The best barley varieties suitable for seedling cutting treatment were Yunsimai 10, Yunsimai 13, V43, Yunpi 15 and Aisi 500.

Key words: Season, Cutting seedling, Barley, Agronomic characteristics, Correlation analysis

Table 1

Names of tested materials"

序号
Code		 品种名称
Variety name		 序号
Code		 品种名称
Variety name		 序号
Code		 品种名称
Variety name		 序号
Code		 品种名称
Variety name		 序号
Code		 品种名称
Variety name		 序号
Code		 品种名称
Variety name
1 云啤2号 9 云啤12号 17 云啤24号 25 云饲麦10号 33 矮思秆-4号 41 云靖麦2号
2 云啤3号 10 云啤14号 18 云饲麦1号 26 云饲麦11号 34 盐麦2号 42 腾云麦4号
3 云啤4号 11 云啤15号 19 云饲麦2号 27 云饲麦12号 35 澳选3号 43 昆啤4号
4 云啤5号 12 云啤17号 20 云饲麦3号 28 云饲麦13号 36 云稞4号 44 弥82-1
5 云啤7号 13 云啤18号 21 云饲麦4号 29 云饲麦14号 37 浙云1号 45 哈铁系裸退化二棱
6 云啤9号 14 云啤20号 22 云饲麦7号 30 云功麦1号 38 昆啤2号 46 宽颖大麦
7 云啤10号 15 云啤21号 23 云饲麦8号 31 云功麦2号 39 云玉麦1号 47 矮思500
8 云啤11号 16 云啤22号 24 云饲麦9号 32 云功麦3号 40 云稞1号 48 V43

Table 2

Analysis of agronomic characteristics and variation of barley in different sowing seasons"

性状
Trait		 季节
Season		 平均值
Average value		 变异系数
Variable coefficient (%)		 性状
Trait		 季节
Season		 平均值
Average value		 变异系数
Variable coefficient (%)
株高
Plant height (cm)		 秋播 68.44±8.05a 11.76 单株重
Plant weight per plant		 秋播 24.62±8.46a 43.89
冬播 71.09±8.78a 12.34 冬播 18.32±5.23b 27.58
春播 52.89±9.53b 18.02 春播 12.89±1.02c 35.29
有效穗数
Efficient panicle		 秋播 8.37±2.87a 34.32 单株秆重
Stem heavy per plant		 秋播 10.25±4.52a 34.38
冬播 7.38±2.29b 31.04 冬播 8.31±2.29b 28.53
春播 4.22±1.56c 36.97 春播 6.92±2.37c 34.25
主穗实粒数
Filled grains of main panicle		 秋播 39.67±17.09a 43.09 主穗长
Main panicle length		 秋播 8.43±1.22a 14.44
冬播 34.25±16.05a 46.85 冬播 8.07±1.08a 13.37
春播 18.31±7.28b 39.76 春播 6.50±1.14b 17.54
千粒重
1000-grain weight (g)		 秋播 42.36±6.29a 14.84 主穗总粒数
Total grains of main panicle		 秋播 43.75±20.26a 46.30
冬播 36.55±5.31b 14.52 冬播 38.20±18.21a 47.68
春播 32.40±6.28c 19.38 春播 26.56±11.33b 42.66
单株粒重
Grain weight per plant		 秋播 10.33±3.27a 31.66 无效穗数
Invalid panicle		 秋播 0.87±0.88b 101.54
冬播 6.02±2.26b 37.53 冬播 2.60±1.72a 66.27
春播 1.75±0.81c 46.29 春播 1.38±0.93b 67.39
单株穗重
Panicle weight per plant		 秋播 12.65±3.95a 31.20 主穗空粒数
Empty grains of main panicle		 秋播 3.95±2.81b 71.23
冬播 7.80±2.71b 34.68 冬播 4.10±4.03b 98.37
春播 2.41±0.97c 40.25 春播 8.22±7.86a 95.62

Table 3

Performance of main agronomic characteristics of tested materials under different seedling cutting treatments"

处理
Treatment		 株高
Plant height (cm)		 主穗长
Main panicle length (cm)		 有效穗数
Efficient panicle		 主穗总粒数
Total grains of main panicle		 主穗实粒数
Filled grains of main panicle		 千粒重
1000-seed weight (g)
A1 64.51±9.83b 7.97±1.19a 8.01±2.15ab 39.95±18.17ab 35.74±14.38a 37.95±5.26b
B1 53.26±7.06c 7.32±1.31b 6.97±3.16b 35.14±15.48b 28.60±11.71b 34.88±6.83b
CK1 68.44±8.05a 8.43±1.22a 8.37±2.87a 43.75±20.26a 39.67±17.09a 42.36±6.29a
A2 64.01±7.82b 7.45±0.94b 6.83±3.00ab 32.35±16.02a 30.06±13.07ab 35.83±5.78a
B2 56.67±6.21c 6.94±0.95c 6.52±2.11b 32.35±15.01a 27.07±11.32b 31.19±5.57b
CK2 71.10±8.78a 8.07±1.08a 7.38±2.29a 38.20±18.21a 34.25±16.05a 36.55±5.31a
A3 51.82±9.49a 6.35±1.20a 4.38±1.65a 24.24±9.97a 16.99±5.62a 31.12±6.27a
B3 46.23±9.52b 6.01±1.17a 3.08±1.54b 21.09±8.34b 13.74±5.31b 28.17±5.89b
CK3 51.82±9.53a 6.50±1.13a 4.22±1.55a 26.55±11.33a 18.30±7.27a 32.39±6.27a
处理
Treatment		 单株粒重
Grain weight
per plant (g)		 单株秆重
Stem heavy
per plant (g)		 单株重
Plant weight
per plant (g)		 单株穗重
Panicle weight
per plant (g)		 无效穗数
Invalid
panicle		 主穗空粒数
Empty grains
of main panicle
A1 7.91±2.34b 7.18±2.57b 18.41±4.56b 10.44±5.50b 0.71±0.78b 4.10±4.84b
B1 4.76±2.45c 5.58±2.10c 13.71±4.56c 6.23±2.83c 2.22±2.03a 6.29±5.65a
CK1 10.33±3.27a 10.30±4.52a 24.62±8.46a 12.65±3.95a 0.85±0.88b 4.20±4.03b
A2 4.97±1.89b 5.89±2.13b 14.41±5.11b 6.41±2.43b 1.86±1.22b 4.81±3.61b
B2 3.98±1.79c 5.50±1.96b 12.84±4.31b 5.30±2.25b 2.61±1.64a 5.13±4.73a
CK2 6.02±2.26a 8.31±2.29a 18.32±5.23a 7.80±2.71a 2.60±1.72a 3.95±2.81b
A3 2.39±0.22a 6.12±1.89a 12.80±0.90a 2.39±0.91a 1.26±1.24b 7.24±6.79b
B3 1.46±0.67b 5.38±1.55b 12.17±0.81b 1.75±0.76b 2.89±1.06a 9.61±6.63a
CK3 1.75±0.81a 6.92±2.36a 12.89±1.02a 2.41±0.96a 1.38±0.92b 8.22±7.75b

Fig.1

Correlation analysis of 12 agronomic characteristics of barley sown in different seasons PH: plant height, EP: effective panicle, IP: invalid panicle, PWPP: plant weight per plant, PSH: plant stem heavy, MPL: main panicle length, MPTG: total grains of main panicle, MSP: filled grains of main panicle, MPEG: empty grains of main panicle, PWPP: panicle weight per plant, GWPP: grain weight per plant, TSW: 1000-seed weight,“*”: P < 0.05, “**”: P < 0.01, the same below"

Fig.2

Correlation analysis of 12 agronomic characteristics under different cutting treatments"

Table 4

Comparison of yield characteristics of selected barley varieties under different seedling cutting treatments"

品种
Variety		 处理
Treatment		 株高
Plant
height
(cm)		 主穗长
Main
panicle
length
(cm)		 单株粒重
Grain
weight
per plant
(g)		 千粒重
1000-
seed
weight
(g)		 有效穗数
Effective
panicle		 主穗
总粒数
Total grains
of main
panicle		 主穗
实粒数
Filled grains
of main
panicle		 单株重
Plant
weight
per plant
(g)		 单株秆重
Stem
heavy
per plant
(g)		 单株穗重
Panicle
weight
per plant
(g)		 主穗空粒数
Empty
grains
of main
panicle		 无效
穗数
Invalid
panicle
矮思500
Aisi 500		 A 56.33 7.77 8.06 39.30 10.33 46.33 45.67 17.40 10.26 10.05 0.67 0.00
B 43.33 6.53 5.96 32.10 14.33 39.00 38.00 13.88 8.75 7.79 1.00 3.33
CK 67.40 9.60 13.32 36.90 15.20 51.20 51.00 36.29 16.84 17.17 1.20 2.00
云啤15号
Yunpi 15		 A 75.33 6.00 6.93 41.20 8.33 54.67 50.00 16.67 7.19 8.35 2.33 1.33
B 48.00 7.43 5.47 22.30 10.08 24.67 22.33 13.01 5.31 7.25 4.67 1.33
CK 74.77 7.07 3.97 31.50 12.33 61.67 54.00 15.60 8.03 5.93 7.67 1.00
腾云麦4号
Tengyunmai 4		 A 64.17 9.23 9.25 36.20 14.00 33.00 36.33 21.86 9.16 11.36 1.67 0.33
B 50.67 7.80 6.54 32.70 8.67 25.33 33.67 12.37 4.87 9.83 1.67 2.00
CK 63.13 10.53 12.97 41.06 11.67 36.33 45.67 30.87 12.27 16.47 0.67 0.00
v43 A 58.33 6.17 8.36 35.70 5.67 68.00 57.33 24.25 10.60 11.54 9.67 1.33
B 56.00 6.17 5.60 42.00 5.00 57.00 36.33 19.54 9.42 7.32 11.86 3.33
CK 76.00 6.50 9.90 46.60 5.00 63.00 58.67 33.52 15.76 12.22 4.33 7.67
云饲麦10号
Yunsimai 10		 A 58.83 6.83 8.83 36.90 7.00 52.67 47.67 15.39 5.29 42.74 5.00 0.33
B 53.57 7.97 5.97 27.00 6.67 62.00 51.33 14.03 5.00 7.50 10.67 0.67
CK 71.02 9.38 13.36 35.32 7.60 79.20 72.40 25.98 9.22 15.30 6.80 0.00
云饲麦13号
Yunsimai 13		 A 51.33 6.93 10.26 32.00 6.67 73.00 65.67 21.83 4.97 12.66 7.33 0.67
B 44.67 7.20 3.19 30.10 3.67 67.00 51.67 17.53 4.11 4.63 15.33 1.67
CK 62.40 8.10 11.78 38.62 5.80 82.20 73.00 25.34 6.97 13.74 9.20 0.00
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