Biotechnology Bulletin ›› 2023, Vol. 39 ›› Issue (8): 70-79.doi: 10.13560/j.cnki.biotech.bull.1985.2023-0493
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ZHANG Yong(), XU Tian-jun, LYU Tian-fang, XING Jin-feng, LIU Hong-wei, CAI Wan-tao, LIU Yue-e, ZHAO Jiu-ran(), WANG Rong-huan()
Received:
2023-05-24
Online:
2023-08-26
Published:
2023-09-05
Contact:
ZHAO Jiu-ran, WANG Rong-huan
E-mail:zhangyongzhangxuan@163.com;maizezhao@126.com;ronghuanwang@126.com
ZHANG Yong, XU Tian-jun, LYU Tian-fang, XING Jin-feng, LIU Hong-wei, CAI Wan-tao, LIU Yue-e, ZHAO Jiu-ran, WANG Rong-huan. Effects of Planting Density on the Stem Quality and Root Phenotypic Characters of Summer Sowing Maize[J]. Biotechnology Bulletin, 2023, 39(8): 70-79.
品种Variety | 亲本自交系 Parental inbred | |||||
---|---|---|---|---|---|---|
编号 ID | 名称 Name | 母本 Female parent | 父本 Male parent | |||
1 | 京农科728 Jingnongke728 | 京MC01 JingMC01 | 京2416 Jing2416 | |||
2 | 京农科828 Jingnongke828 | 京88 Jing88 | 京2416 Jing2416 | |||
3 | MC121 | 京72464 Jing72464 | 京2416 Jing2416 | |||
4 | 鑫瑞25 Xinrui25 | T12-4 | T6(京2416 Jing2416) | |||
5 | 现代59 Xiandai59 | XD2458 | 京2416 Jing2416 | |||
6 | 硕秋518 Shuoqiu518 | 京B547 JingB547 | 京2416D Jing2416D | |||
7 | 京科739 Jingke739 | 京5846 Jing5846 | 京2416 Jing2416 | |||
8 | 京农科736 Jingnongke736 | 京58-6 Jing58-6 | 京3719-274(京2416 Jing2416) | |||
9 | MC738 | 京724 Jing724 | 京2416 Jing2416 | |||
10 | MC812 | 京B547 Jing B547 | 京2416 Jing2416 | |||
11 | 京科528 Jingke528 | 90110-2 | J2437(京2416 Jing2416) | |||
12 | 京科389 Jingke389 | MC03 | 京2416 Jing2416 | |||
13 | 京单68 Jingdan68 | CH8 | 京2416 Jing2416 | |||
14 | 京单58 Jingdan58 | CH3 | 京2416 Jing2416 | |||
15 | 京单38 Jingdan38 | 京D9B JingD9B | 京2416 Jing2416 | |||
16 | 丰乐303 Fengle303 | 京725 Jing725 | 京2416 Jing2416 | |||
17 | NK718 | 京464 Jing464 | 京2416 Jing2416 | |||
18 | MC565 | XD3738 | 京2416 Jing2416 | |||
19 | 迪卡159 Dika159 | HCL301 | F0147Z | |||
20 | 迪卡517 Dika517 | D1798Z | HCL645 | |||
21 | 先玉023 Xianyu023 | PH12P3 | PH12RP | |||
22 | 先玉688 Xianyu688 | PHJEV | PHRKB | |||
23 | 郑单958 Zhengdan958(CK1) | 郑58 Zheng58 | 昌7-2 Chang7-2 | |||
24 | 先玉335 Xianyu335(CK2) | PH6WC | PH4CV |
Table 1 The tested maize varieties
品种Variety | 亲本自交系 Parental inbred | |||||
---|---|---|---|---|---|---|
编号 ID | 名称 Name | 母本 Female parent | 父本 Male parent | |||
1 | 京农科728 Jingnongke728 | 京MC01 JingMC01 | 京2416 Jing2416 | |||
2 | 京农科828 Jingnongke828 | 京88 Jing88 | 京2416 Jing2416 | |||
3 | MC121 | 京72464 Jing72464 | 京2416 Jing2416 | |||
4 | 鑫瑞25 Xinrui25 | T12-4 | T6(京2416 Jing2416) | |||
5 | 现代59 Xiandai59 | XD2458 | 京2416 Jing2416 | |||
6 | 硕秋518 Shuoqiu518 | 京B547 JingB547 | 京2416D Jing2416D | |||
7 | 京科739 Jingke739 | 京5846 Jing5846 | 京2416 Jing2416 | |||
8 | 京农科736 Jingnongke736 | 京58-6 Jing58-6 | 京3719-274(京2416 Jing2416) | |||
9 | MC738 | 京724 Jing724 | 京2416 Jing2416 | |||
10 | MC812 | 京B547 Jing B547 | 京2416 Jing2416 | |||
11 | 京科528 Jingke528 | 90110-2 | J2437(京2416 Jing2416) | |||
12 | 京科389 Jingke389 | MC03 | 京2416 Jing2416 | |||
13 | 京单68 Jingdan68 | CH8 | 京2416 Jing2416 | |||
14 | 京单58 Jingdan58 | CH3 | 京2416 Jing2416 | |||
15 | 京单38 Jingdan38 | 京D9B JingD9B | 京2416 Jing2416 | |||
16 | 丰乐303 Fengle303 | 京725 Jing725 | 京2416 Jing2416 | |||
17 | NK718 | 京464 Jing464 | 京2416 Jing2416 | |||
18 | MC565 | XD3738 | 京2416 Jing2416 | |||
19 | 迪卡159 Dika159 | HCL301 | F0147Z | |||
20 | 迪卡517 Dika517 | D1798Z | HCL645 | |||
21 | 先玉023 Xianyu023 | PH12P3 | PH12RP | |||
22 | 先玉688 Xianyu688 | PHJEV | PHRKB | |||
23 | 郑单958 Zhengdan958(CK1) | 郑58 Zheng58 | 昌7-2 Chang7-2 | |||
24 | 先玉335 Xianyu335(CK2) | PH6WC | PH4CV |
品种 Variety | 株高 Plant height/cm | 穗位高 Ear height/cm | 穗位系数Ear height to plant height ratio/% | ||||||
---|---|---|---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | D1 | D2 | ||||
京农科728 Jingnongke728 | 269.10±3.25efg | 278.50±4.90hij | 101.50±2.51lmn | 109.00±0.94ijk | 37.72±0.95jk | 39.15±0.79ijk | |||
京农科828 Jingnongke828 | 280.40±3.69a | 294.00±3.06ab | 109.90±2.38fg | 115.50±1.96efg | 39.20±0.80ghi | 39.29±0.67ijk | |||
MC121 | 270.10±4.09defg | 282.10±4.46efgh | 103.30±2.75klm | 108.50±0.71jk | 38.26±1.53hijk | 38.47±0.64jkl | |||
鑫瑞25 Xinrui25 | 268.90±4.75g | 280.90±2.47ghi | 106.20±2.25hijk | 112.20±3.99fghij | 39.50±1.00fgh | 39.94±1.38ghij | |||
现代59 Xiandai59 | 270.30±3.74defg | 285.30±4.24de | 104.30±3.20ijkl | 110.60±2.07hijk | 38.59±1.32hij | 38.77±0.65ijkl | |||
硕秋518 Shuoqiu518 | 269.90±2.92efg | 279.90±4.28hij | 101.60±2.32lmn | 107.60±3.03k | 37.64±0.71jk | 38.46±1.42jkl | |||
京科739 Jingke739 | 247.70±4.16m | 261.70±3.71l | 91.90±1.91o | 99.40±2.12m | 37.11±1.02k | 37.99±0.86kl | |||
京农科736 Jingnongke736 | 273.60±3.86cd | 288.60±5.13d | 104.00±2.67jkl | 109.20±2.39ijk | 38.02±1.28ijk | 37.86±1.38kl | |||
MC738 | 282.40±3.20a | 296.40±4.33a | 109.50±2.46fgh | 113.90±2.56fgh | 38.78±1.09hij | 38.44±1.04jkl | |||
MC812 | 272.50±2.55defg | 281.50±2.55fghi | 107.50±2.88ghij | 112.90±2.69fghi | 39.45±0.82fghi | 40.11±0.88ghi | |||
京科528 Jingke528 | 273.20±2.20cde | 284.20±5.27efg | 105.60±2.76ijk | 111.30±4.69ghijk | 38.65±0.96hij | 39.17±1.58ijk | |||
京科389 Jingke389 | 254.40±3.72j | 262.40±2.59l | 98.70±4.08n | 103.30±2.31lm | 38.81±1.75hij | 39.37±1.08hijk | |||
京单68 Jingdan68 | 252.50±3.21jkl | 263.50±4.38l | 100.17±1.38mn | 108.10±0.88k | 39.68±0.62fgh | 41.03±0.71efg | |||
京单58 Jingdan58 | 254.90±3.35jk | 263.90±3.48l | 103.10±2.33klm | 107.90±1.91k | 40.46±1.19efg | 40.89±0.87fgh | |||
京单38 Jingdan38 | 250.60±5.68lm | 263.60±3.06l | 94.50±2.95o | 101.60±2.32lm | 37.74±1.69jk | 38.55±0.97jkl | |||
丰乐303 Fengle303 | 259.70±4.83i | 270.70±3.43k | 107.60±3.69ghi | 115.20±3.55efg | 41.45±1.75de | 42.56±1.34de | |||
NK718 | 278.80±8.93ab | 288.80±4.32cd | 113.70±2.26de | 120.70±3.56cd | 40.82±1.62def | 41.81±1.49ef | |||
MC565 | 264.80±3.12h | 276.80±4.54j | 98.20±5.16n | 103.60±2.22lm | 37.10±2.26k | 37.43±0.65l | |||
迪卡159 Dika159 | 264.00±2.36h | 278.00±5.37hij | 115.10±3.67cd | 122.90±2.51c | 43.60±1.29c | 44.23±1.47c | |||
迪卡517 Dika517 | 251.00±4.62klm | 263.00±4.5l | 121.40±3.75b | 129.40±3.98b | 48.37±1.49b | 49.21±1.57b | |||
先玉023 Xianyu023 | 280.50±1.96a | 294.50±3.87ab | 118.40±4.01bc | 127.70±3.33b | 42.22±1.55cd | 43.37±1.44cd | |||
先玉688 Xianyu688 | 272.70±2.54def | 283.70±4.64efg | 111.20±3.08ef | 118.30±6.38de | 40.79±1.37ef | 41.69±2.01ef | |||
郑单958 Zhengdan958 | 271.20±4.59defg | 285.20±5.31def | 136.20±13.05a | 148.00±15.71a | 50.22±4.68a | 51.94±5.91a | |||
先玉335 Xianyu335 | 276.50±5.60bc | 292.50±5.99bc | 118.80±3.01bc | 128.10±6.61b | 42.98±1.40c | 43.81±2.44cd | |||
变异来源 Source of variation | 品种 Variety | ** | ** | ** | |||||
密度 Plant density | ** | ** | ** | ||||||
品种×密度Variety×Plant density | * | NS | NS |
Table 2 Plant heights, ear heights and ear position coefficients of tested maize varieties under different planting densities
品种 Variety | 株高 Plant height/cm | 穗位高 Ear height/cm | 穗位系数Ear height to plant height ratio/% | ||||||
---|---|---|---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | D1 | D2 | ||||
京农科728 Jingnongke728 | 269.10±3.25efg | 278.50±4.90hij | 101.50±2.51lmn | 109.00±0.94ijk | 37.72±0.95jk | 39.15±0.79ijk | |||
京农科828 Jingnongke828 | 280.40±3.69a | 294.00±3.06ab | 109.90±2.38fg | 115.50±1.96efg | 39.20±0.80ghi | 39.29±0.67ijk | |||
MC121 | 270.10±4.09defg | 282.10±4.46efgh | 103.30±2.75klm | 108.50±0.71jk | 38.26±1.53hijk | 38.47±0.64jkl | |||
鑫瑞25 Xinrui25 | 268.90±4.75g | 280.90±2.47ghi | 106.20±2.25hijk | 112.20±3.99fghij | 39.50±1.00fgh | 39.94±1.38ghij | |||
现代59 Xiandai59 | 270.30±3.74defg | 285.30±4.24de | 104.30±3.20ijkl | 110.60±2.07hijk | 38.59±1.32hij | 38.77±0.65ijkl | |||
硕秋518 Shuoqiu518 | 269.90±2.92efg | 279.90±4.28hij | 101.60±2.32lmn | 107.60±3.03k | 37.64±0.71jk | 38.46±1.42jkl | |||
京科739 Jingke739 | 247.70±4.16m | 261.70±3.71l | 91.90±1.91o | 99.40±2.12m | 37.11±1.02k | 37.99±0.86kl | |||
京农科736 Jingnongke736 | 273.60±3.86cd | 288.60±5.13d | 104.00±2.67jkl | 109.20±2.39ijk | 38.02±1.28ijk | 37.86±1.38kl | |||
MC738 | 282.40±3.20a | 296.40±4.33a | 109.50±2.46fgh | 113.90±2.56fgh | 38.78±1.09hij | 38.44±1.04jkl | |||
MC812 | 272.50±2.55defg | 281.50±2.55fghi | 107.50±2.88ghij | 112.90±2.69fghi | 39.45±0.82fghi | 40.11±0.88ghi | |||
京科528 Jingke528 | 273.20±2.20cde | 284.20±5.27efg | 105.60±2.76ijk | 111.30±4.69ghijk | 38.65±0.96hij | 39.17±1.58ijk | |||
京科389 Jingke389 | 254.40±3.72j | 262.40±2.59l | 98.70±4.08n | 103.30±2.31lm | 38.81±1.75hij | 39.37±1.08hijk | |||
京单68 Jingdan68 | 252.50±3.21jkl | 263.50±4.38l | 100.17±1.38mn | 108.10±0.88k | 39.68±0.62fgh | 41.03±0.71efg | |||
京单58 Jingdan58 | 254.90±3.35jk | 263.90±3.48l | 103.10±2.33klm | 107.90±1.91k | 40.46±1.19efg | 40.89±0.87fgh | |||
京单38 Jingdan38 | 250.60±5.68lm | 263.60±3.06l | 94.50±2.95o | 101.60±2.32lm | 37.74±1.69jk | 38.55±0.97jkl | |||
丰乐303 Fengle303 | 259.70±4.83i | 270.70±3.43k | 107.60±3.69ghi | 115.20±3.55efg | 41.45±1.75de | 42.56±1.34de | |||
NK718 | 278.80±8.93ab | 288.80±4.32cd | 113.70±2.26de | 120.70±3.56cd | 40.82±1.62def | 41.81±1.49ef | |||
MC565 | 264.80±3.12h | 276.80±4.54j | 98.20±5.16n | 103.60±2.22lm | 37.10±2.26k | 37.43±0.65l | |||
迪卡159 Dika159 | 264.00±2.36h | 278.00±5.37hij | 115.10±3.67cd | 122.90±2.51c | 43.60±1.29c | 44.23±1.47c | |||
迪卡517 Dika517 | 251.00±4.62klm | 263.00±4.5l | 121.40±3.75b | 129.40±3.98b | 48.37±1.49b | 49.21±1.57b | |||
先玉023 Xianyu023 | 280.50±1.96a | 294.50±3.87ab | 118.40±4.01bc | 127.70±3.33b | 42.22±1.55cd | 43.37±1.44cd | |||
先玉688 Xianyu688 | 272.70±2.54def | 283.70±4.64efg | 111.20±3.08ef | 118.30±6.38de | 40.79±1.37ef | 41.69±2.01ef | |||
郑单958 Zhengdan958 | 271.20±4.59defg | 285.20±5.31def | 136.20±13.05a | 148.00±15.71a | 50.22±4.68a | 51.94±5.91a | |||
先玉335 Xianyu335 | 276.50±5.60bc | 292.50±5.99bc | 118.80±3.01bc | 128.10±6.61b | 42.98±1.40c | 43.81±2.44cd | |||
变异来源 Source of variation | 品种 Variety | ** | ** | ** | |||||
密度 Plant density | ** | ** | ** | ||||||
品种×密度Variety×Plant density | * | NS | NS |
品种 Variety | 茎皮穿刺强度Rind penetration strength/(N·mm-2) | 茎秆抗折力Snapping resistance/N | ||||
---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | |||
京农科728 Jingnongke728 | 48.80±1.66ab | 41.59±1.53b | 252.77±24.60ab | 221.38±7.00ab | ||
京农科828 Jingnongke828 | 43.80±1.72fghij | 36.85±1.95ghij | 227.83±20.75cdefg | 193.96±9.03ef | ||
MC121 | 46.23±2.22bcdef | 38.52±1.08ef | 233.60±10.64bcdef | 205.97±4.89cd | ||
鑫瑞25 Xinrui25 | 45.59±4.36cdefgh | 38.13±1.34efgh | 239.17±13.40abcd | 207.17±5.11cd | ||
现代59 Xiandai59 | 42.71±3.60hijk | 35.88±0.76ijk | 240.70±22.39abcd | 211.87±2.35bc | ||
硕秋518 Shuoqiu518 | 49.66±2.42a | 43.48±0.55a | 258.23±25.59a | 227.01±3.26a | ||
京科739 Jingke739 | 43.07±1.45ghijk | 36.82±1.57ghij | 217.03±6.74defghij | 184.08±6.25fgh | ||
京农科736 Jingnongke736 | 42.33±2.76ijk | 37.33±1.33fghi | 212.17±18.42efghij | 176.63±10.54hij | ||
MC738 | 47.87±2.83abc | 41.19±1.13b | 240.60±14.96abcd | 208.49±2.25cd | ||
MC812 | 47.26±3.02abcde | 40.37±1.11bcd | 242.33±6.35abc | 208.83±6.72cd | ||
京科528 Jingke528 | 44.41±3.79efghi | 39.36±0.74cde | 236.73±10.28abcd | 206.41±6.25cd | ||
京科389 Jingke389 | 42.97±1.56ghijk | 37.26±1.38fghi | 235.77±10.92abcde | 205.34±5.99cd | ||
京单68 Jingdan68 | 44.37±2.29efghi | 39.16±1.61de | 232.53±11.02bcdefg | 200.64±9.56de | ||
京单58 Jingdan58 | 47.17±2.30abcde | 40.80±2.55bc | 242.00±8.88abc | 210.93±1.62c | ||
京单38 Jingdan38 | 44.63±1.56defghi | 37.17±1.13fghi | 217.50±23.21defghij | 190.10±0.95fg | ||
丰乐303 Fengle303 | 41.02±2.33jkl | 35.54±0.67jkl | 195.07±7.96jk | 169.48±1.46j | ||
NK718 | 42.75±1.78hijk | 37.52±1.12fgh | 210.67±14.89fghij | 183.01±8.29gh | ||
MC565 | 40.26±3.33kl | 34.12±0.90l | 208.83±2.46ghij | 184.15±4.69fgh | ||
迪卡159 Dika159 | 46.01±1.91bcdefg | 38.07±0.61efgh | 201.87±13.66ij | 171.51±6.53ij | ||
迪卡517 Dika517 | 47.61±1.78abcd | 38.29±0.54efg | 204.33±10.31hij | 177.52±5.40hij | ||
先玉023 Xianyu023 | 38.42±1.95l | 30.97±1.39m | 177.30±13.96k | 141.52±5.95k | ||
先玉688 Xianyu688 | 42.39±2.33ijk | 36.65±1.43hij | 211.07±11.83fghij | 180.98±5.90ghi | ||
郑单958 Zhengdan958 | 33.45±2.43m | 23.69±1.70n | 138.03±15.36l | 95.19±1.70l | ||
先玉335 Xianyu335 | 42.47±1.67hijk | 35.07±1.38kl | 219.80±8.32cdefghi | 184.89±7.04fgh | ||
变异来源 Source of variation | 品种 Variety | ** | ** | |||
密度 Plant density | ** | ** | ||||
品种×密度 Variety× Plant density | NS | NS |
Table 3 Rind penetration strengths and snapping resistances of stems of tested maize varieties under different planting densities
品种 Variety | 茎皮穿刺强度Rind penetration strength/(N·mm-2) | 茎秆抗折力Snapping resistance/N | ||||
---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | |||
京农科728 Jingnongke728 | 48.80±1.66ab | 41.59±1.53b | 252.77±24.60ab | 221.38±7.00ab | ||
京农科828 Jingnongke828 | 43.80±1.72fghij | 36.85±1.95ghij | 227.83±20.75cdefg | 193.96±9.03ef | ||
MC121 | 46.23±2.22bcdef | 38.52±1.08ef | 233.60±10.64bcdef | 205.97±4.89cd | ||
鑫瑞25 Xinrui25 | 45.59±4.36cdefgh | 38.13±1.34efgh | 239.17±13.40abcd | 207.17±5.11cd | ||
现代59 Xiandai59 | 42.71±3.60hijk | 35.88±0.76ijk | 240.70±22.39abcd | 211.87±2.35bc | ||
硕秋518 Shuoqiu518 | 49.66±2.42a | 43.48±0.55a | 258.23±25.59a | 227.01±3.26a | ||
京科739 Jingke739 | 43.07±1.45ghijk | 36.82±1.57ghij | 217.03±6.74defghij | 184.08±6.25fgh | ||
京农科736 Jingnongke736 | 42.33±2.76ijk | 37.33±1.33fghi | 212.17±18.42efghij | 176.63±10.54hij | ||
MC738 | 47.87±2.83abc | 41.19±1.13b | 240.60±14.96abcd | 208.49±2.25cd | ||
MC812 | 47.26±3.02abcde | 40.37±1.11bcd | 242.33±6.35abc | 208.83±6.72cd | ||
京科528 Jingke528 | 44.41±3.79efghi | 39.36±0.74cde | 236.73±10.28abcd | 206.41±6.25cd | ||
京科389 Jingke389 | 42.97±1.56ghijk | 37.26±1.38fghi | 235.77±10.92abcde | 205.34±5.99cd | ||
京单68 Jingdan68 | 44.37±2.29efghi | 39.16±1.61de | 232.53±11.02bcdefg | 200.64±9.56de | ||
京单58 Jingdan58 | 47.17±2.30abcde | 40.80±2.55bc | 242.00±8.88abc | 210.93±1.62c | ||
京单38 Jingdan38 | 44.63±1.56defghi | 37.17±1.13fghi | 217.50±23.21defghij | 190.10±0.95fg | ||
丰乐303 Fengle303 | 41.02±2.33jkl | 35.54±0.67jkl | 195.07±7.96jk | 169.48±1.46j | ||
NK718 | 42.75±1.78hijk | 37.52±1.12fgh | 210.67±14.89fghij | 183.01±8.29gh | ||
MC565 | 40.26±3.33kl | 34.12±0.90l | 208.83±2.46ghij | 184.15±4.69fgh | ||
迪卡159 Dika159 | 46.01±1.91bcdefg | 38.07±0.61efgh | 201.87±13.66ij | 171.51±6.53ij | ||
迪卡517 Dika517 | 47.61±1.78abcd | 38.29±0.54efg | 204.33±10.31hij | 177.52±5.40hij | ||
先玉023 Xianyu023 | 38.42±1.95l | 30.97±1.39m | 177.30±13.96k | 141.52±5.95k | ||
先玉688 Xianyu688 | 42.39±2.33ijk | 36.65±1.43hij | 211.07±11.83fghij | 180.98±5.90ghi | ||
郑单958 Zhengdan958 | 33.45±2.43m | 23.69±1.70n | 138.03±15.36l | 95.19±1.70l | ||
先玉335 Xianyu335 | 42.47±1.67hijk | 35.07±1.38kl | 219.80±8.32cdefghi | 184.89±7.04fgh | ||
变异来源 Source of variation | 品种 Variety | ** | ** | |||
密度 Plant density | ** | ** | ||||
品种×密度 Variety× Plant density | NS | NS |
品种 Variety | 大喇叭口期根系长度Root length at V12/(m·plant-1) | 吐丝期根系长度Root length at silking stage/(m·plant-1) | ||||
---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | |||
京农科728 Jingnongke728 | 235.49±5.04abc | 209.04±5.89ab | 299.79±5.45abc | 256.49±35.04abc | ||
京农科828 Jingnongke828 | 203.81±9.71cde | 175.91±9.71bcd | 265.71±9.71cde | 229.04±9.86bcdefg | ||
MC121 | 203.40±6.81cde | 178.80±6.81bcd | 265.80±6.81cde | 231.81±9.71bcde | ||
鑫瑞25 Xinrui25 | 211.78±3.32bcd | 180.68±3.32bcd | 268.58±3.32bcde | 229.39±17.34bcdef | ||
现代59 Xiandai59 | 201.30±1.18cde | 172.90±1.18bcd | 256.62±13.95de | 222.22±4.35cdefgh | ||
硕秋518 Shuoqiu518 | 205.89±17.34cd | 172.69±17.34bcd | 273.79±17.34bcde | 223.18±3.32cdefgh | ||
京科739 Jingke739 | 215.02±6.97abcd | 186.12±6.97abcd | 280.42±6.97abcd | 237.42±6.97bcde | ||
京农科736 Jingnongke736 | 191.64±3.29de | 166.14±3.29de | 256.50±4.95de | 210.20±2.92defgh | ||
MC738 | 202.52±4.35cde | 173.32±4.35bcd | 260.12±4.35de | 221.93±15.57cdefgh | ||
MC812 | 207.23±15.57bcd | 183.43±15.57abcd | 265.13±15.57cde | 231.60±12.23bcdef | ||
京科528 Jingke528 | 249.63±82.66a | 219.29±82.66a | 317.13±82.66a | 276.73±82.66a | ||
京科389 Jingke389 | 198.82±13.95cde | 168.72±13.95cde | 259.02±13.95de | 204.72±13.95efgh | ||
京单68 Jingdan68 | 195.27±21.60de | 169.87±21.6cde | 264.50±3.57cde | 244.16±11.46abcd | ||
京单58 Jingdan58 | 206.52±21.72cd | 178.82±21.72bcd | 273.12±21.72bcde | 229.80±42.75bcdefg | ||
京单38 Jingdan38 | 203.77±8.70cde | 169.47±8.70cde | 258.17±8.70de | 221.40±6.81cdefgh | ||
丰乐303 Fengle303 | 184.77±2.92def | 157.17±2.92de | 252.27±2.92de | 211.92±13.95defgh | ||
NK718 | 208.8±42.75bcd | 182.13±42.75abcd | 272.00±42.75bcde | 232.02±21.72bcde | ||
MC565 | 243.97±3.98ab | 205.02±3.98abc | 303.27±3.98a | 264.37±3.98ab | ||
迪卡159 Dika159 | 198.31±7.13cde | 171.11±7.13cd | 242.86±12.50e | 190.37±8.70h | ||
迪卡517 Dika517 | 197.95±6.98de | 169.65±6.98cd | 252.15±6.98de | 193.55±6.98fgh | ||
先玉023 Xianyu023 | 167.6±4.95ef | 132.10±4.95ef | 245.94±3.29de | 191.64±3.29gh | ||
先玉688 Xianyu688 | 201.84±9.86cde | 165.54±9.86de | 265.94±9.86cde | 218.00±14.13defgh | ||
郑单958 Zhengdan958 | 184.96±12.50def | 155.36±12.5de | 255.11±7.13de | 207.95±17.82defgh | ||
先玉335 Xianyu335 | 151.90±12.23f | 117.00±12.23f | 272.20±12.23bcde | 225.53±19.53cdefgh | ||
变异来源 Source of variation | 品种 Variety | ** | ** | |||
密度 Plant density | ** | ** | ||||
品种×密度 Variety× Plant density | NS | NS |
Table 4 Root lengths of tested maize varieties at V12 and silking stage under different planting densities
品种 Variety | 大喇叭口期根系长度Root length at V12/(m·plant-1) | 吐丝期根系长度Root length at silking stage/(m·plant-1) | ||||
---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | |||
京农科728 Jingnongke728 | 235.49±5.04abc | 209.04±5.89ab | 299.79±5.45abc | 256.49±35.04abc | ||
京农科828 Jingnongke828 | 203.81±9.71cde | 175.91±9.71bcd | 265.71±9.71cde | 229.04±9.86bcdefg | ||
MC121 | 203.40±6.81cde | 178.80±6.81bcd | 265.80±6.81cde | 231.81±9.71bcde | ||
鑫瑞25 Xinrui25 | 211.78±3.32bcd | 180.68±3.32bcd | 268.58±3.32bcde | 229.39±17.34bcdef | ||
现代59 Xiandai59 | 201.30±1.18cde | 172.90±1.18bcd | 256.62±13.95de | 222.22±4.35cdefgh | ||
硕秋518 Shuoqiu518 | 205.89±17.34cd | 172.69±17.34bcd | 273.79±17.34bcde | 223.18±3.32cdefgh | ||
京科739 Jingke739 | 215.02±6.97abcd | 186.12±6.97abcd | 280.42±6.97abcd | 237.42±6.97bcde | ||
京农科736 Jingnongke736 | 191.64±3.29de | 166.14±3.29de | 256.50±4.95de | 210.20±2.92defgh | ||
MC738 | 202.52±4.35cde | 173.32±4.35bcd | 260.12±4.35de | 221.93±15.57cdefgh | ||
MC812 | 207.23±15.57bcd | 183.43±15.57abcd | 265.13±15.57cde | 231.60±12.23bcdef | ||
京科528 Jingke528 | 249.63±82.66a | 219.29±82.66a | 317.13±82.66a | 276.73±82.66a | ||
京科389 Jingke389 | 198.82±13.95cde | 168.72±13.95cde | 259.02±13.95de | 204.72±13.95efgh | ||
京单68 Jingdan68 | 195.27±21.60de | 169.87±21.6cde | 264.50±3.57cde | 244.16±11.46abcd | ||
京单58 Jingdan58 | 206.52±21.72cd | 178.82±21.72bcd | 273.12±21.72bcde | 229.80±42.75bcdefg | ||
京单38 Jingdan38 | 203.77±8.70cde | 169.47±8.70cde | 258.17±8.70de | 221.40±6.81cdefgh | ||
丰乐303 Fengle303 | 184.77±2.92def | 157.17±2.92de | 252.27±2.92de | 211.92±13.95defgh | ||
NK718 | 208.8±42.75bcd | 182.13±42.75abcd | 272.00±42.75bcde | 232.02±21.72bcde | ||
MC565 | 243.97±3.98ab | 205.02±3.98abc | 303.27±3.98a | 264.37±3.98ab | ||
迪卡159 Dika159 | 198.31±7.13cde | 171.11±7.13cd | 242.86±12.50e | 190.37±8.70h | ||
迪卡517 Dika517 | 197.95±6.98de | 169.65±6.98cd | 252.15±6.98de | 193.55±6.98fgh | ||
先玉023 Xianyu023 | 167.6±4.95ef | 132.10±4.95ef | 245.94±3.29de | 191.64±3.29gh | ||
先玉688 Xianyu688 | 201.84±9.86cde | 165.54±9.86de | 265.94±9.86cde | 218.00±14.13defgh | ||
郑单958 Zhengdan958 | 184.96±12.50def | 155.36±12.5de | 255.11±7.13de | 207.95±17.82defgh | ||
先玉335 Xianyu335 | 151.90±12.23f | 117.00±12.23f | 272.20±12.23bcde | 225.53±19.53cdefgh | ||
变异来源 Source of variation | 品种 Variety | ** | ** | |||
密度 Plant density | ** | ** | ||||
品种×密度 Variety× Plant density | NS | NS |
品种 Variety | 大喇叭口期根系干物重 Root dry weight at V12/(g·plant-1) | 吐丝期根系干物重 Root dry weight at silking stage/(g·plant-1) | ||||
---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | |||
京农科728 Jingnongke728 | 16.10±0.30b | 14.93±0.81ab | 19.10±0.30bc | 17.00±0.10c | ||
京农科828 Jingnongke828 | 14.47±0.67def | 11.83±0.21ef | 17.47±0.67gh | 14.87±0.32hi | ||
MC121 | 14.03±0.06fgh | 12.13±0.15e | 17.67±0.21g | 15.53±0.21f | ||
鑫瑞25 Xinrui25 | 15.10±0.20c | 12.60±0.17d | 18.10±0.20ef | 15.03±0.15h | ||
现代59 Xiandai59 | 13.30±0.26ijk | 11.43±0.06fgh | 16.10±0.10lm | 14.13±0.15kl | ||
硕秋518 Shuoqiu518 | 14.67±0.21cde | 11.33±0.12gh | 18.47±0.15de | 14.20±0.17jk | ||
京科739 Jingke739 | 15.83±0.32b | 13.20±0.20c | 18.73±0.32cd | 16.03±0.15e | ||
京农科736 Jingnongke736 | 12.70±0.20l | 9.80±0.50k | 15.97±0.35lmn | 13.30±0.10n | ||
MC738 | 13.77±0.15ghi | 11.57±0.06fg | 16.77±0.15ij | 14.07±0.12kl | ||
MC812 | 15.10±0.20c | 12.97±0.15cd | 17.17±0.15hi | 15.43±0.15fg | ||
京科528 Jingke528 | 17.67±0.25a | 15.17±0.25a | 20.87±0.25a | 18.30±0.17a | ||
京科389 Jingke389 | 13.10±0.10jkl | 10.03±0.23k | 16.60±0.46jk | 12.90±0.17o | ||
京单68 Jingdan68 | 12.67±0.06l | 10.83±0.06ij | 17.03±0.06i | 16.40±0.53d | ||
京单58 Jingdan58 | 14.73±0.15cd | 12.13±0.15e | 18.30±0.10e | 15.13±0.12gh | ||
京单38 Jingdan38 | 14.17±0.15efg | 10.50±0.35j | 16.30±0.26kl | 14.00±0.10kl | ||
丰乐303 Fengle303 | 11.67±0.21m | 8.93±0.35m | 15.67±0.06n | 13.63±0.25mn | ||
NK718 | 15.17±0.15c | 12.83±0.06cd | 18.17±0.15e | 15.70±0.17ef | ||
MC565 | 16.27±0.38b | 14.50±0.10b | 19.37±0.38b | 17.47±0.42b | ||
迪卡159 Dika159 | 12.97±0.35kl | 11.03±0.15hi | 14.67±0.21o | 12.13±0.12q | ||
迪卡517 Dika517 | 13.03±0.15kl | 10.83±0.06ij | 15.70±0.20mn | 12.50±0.30p | ||
先玉023 Xianyu023 | 10.87±0.68n | 8.30±0.26m | 14.87±0.68o | 12.33±0.42pq | ||
先玉688 Xianyu688 | 13.60±0.46hij | 9.33±0.06l | 17.73±0.15fg | 13.83±0.06lm | ||
郑单958 Zhengdan958 | 11.87±0.68m | 8.37±0.32m | 16.03±0.15lmn | 13.37±0.15n | ||
先玉335 Xianyu335 | 10.67±0.21n | 6.20±0.35n | 18.13±0.12ef | 14.53±0.15ij | ||
变异来源 Source of variation | 品种 Variety | ** | ** | |||
密度 Plant density | ** | ** | ||||
品种×密度 Variety× Plant density | ** | ** |
Table 5 Root dry weights of tested maize varieties at V12 stage and silking stage under different planting densities
品种 Variety | 大喇叭口期根系干物重 Root dry weight at V12/(g·plant-1) | 吐丝期根系干物重 Root dry weight at silking stage/(g·plant-1) | ||||
---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | |||
京农科728 Jingnongke728 | 16.10±0.30b | 14.93±0.81ab | 19.10±0.30bc | 17.00±0.10c | ||
京农科828 Jingnongke828 | 14.47±0.67def | 11.83±0.21ef | 17.47±0.67gh | 14.87±0.32hi | ||
MC121 | 14.03±0.06fgh | 12.13±0.15e | 17.67±0.21g | 15.53±0.21f | ||
鑫瑞25 Xinrui25 | 15.10±0.20c | 12.60±0.17d | 18.10±0.20ef | 15.03±0.15h | ||
现代59 Xiandai59 | 13.30±0.26ijk | 11.43±0.06fgh | 16.10±0.10lm | 14.13±0.15kl | ||
硕秋518 Shuoqiu518 | 14.67±0.21cde | 11.33±0.12gh | 18.47±0.15de | 14.20±0.17jk | ||
京科739 Jingke739 | 15.83±0.32b | 13.20±0.20c | 18.73±0.32cd | 16.03±0.15e | ||
京农科736 Jingnongke736 | 12.70±0.20l | 9.80±0.50k | 15.97±0.35lmn | 13.30±0.10n | ||
MC738 | 13.77±0.15ghi | 11.57±0.06fg | 16.77±0.15ij | 14.07±0.12kl | ||
MC812 | 15.10±0.20c | 12.97±0.15cd | 17.17±0.15hi | 15.43±0.15fg | ||
京科528 Jingke528 | 17.67±0.25a | 15.17±0.25a | 20.87±0.25a | 18.30±0.17a | ||
京科389 Jingke389 | 13.10±0.10jkl | 10.03±0.23k | 16.60±0.46jk | 12.90±0.17o | ||
京单68 Jingdan68 | 12.67±0.06l | 10.83±0.06ij | 17.03±0.06i | 16.40±0.53d | ||
京单58 Jingdan58 | 14.73±0.15cd | 12.13±0.15e | 18.30±0.10e | 15.13±0.12gh | ||
京单38 Jingdan38 | 14.17±0.15efg | 10.50±0.35j | 16.30±0.26kl | 14.00±0.10kl | ||
丰乐303 Fengle303 | 11.67±0.21m | 8.93±0.35m | 15.67±0.06n | 13.63±0.25mn | ||
NK718 | 15.17±0.15c | 12.83±0.06cd | 18.17±0.15e | 15.70±0.17ef | ||
MC565 | 16.27±0.38b | 14.50±0.10b | 19.37±0.38b | 17.47±0.42b | ||
迪卡159 Dika159 | 12.97±0.35kl | 11.03±0.15hi | 14.67±0.21o | 12.13±0.12q | ||
迪卡517 Dika517 | 13.03±0.15kl | 10.83±0.06ij | 15.70±0.20mn | 12.50±0.30p | ||
先玉023 Xianyu023 | 10.87±0.68n | 8.30±0.26m | 14.87±0.68o | 12.33±0.42pq | ||
先玉688 Xianyu688 | 13.60±0.46hij | 9.33±0.06l | 17.73±0.15fg | 13.83±0.06lm | ||
郑单958 Zhengdan958 | 11.87±0.68m | 8.37±0.32m | 16.03±0.15lmn | 13.37±0.15n | ||
先玉335 Xianyu335 | 10.67±0.21n | 6.20±0.35n | 18.13±0.12ef | 14.53±0.15ij | ||
变异来源 Source of variation | 品种 Variety | ** | ** | |||
密度 Plant density | ** | ** | ||||
品种×密度 Variety× Plant density | ** | ** |
品种 Variety | 产量Yield/(kg·hm-2) | 倒伏率Lodging rate/% | 倒伏时期Lodging stage | ||||
---|---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | ||||
京农科728 Jingnongke728 | 11 350.90±406.69d | 12 037.50±83.46fg | 0.00 | 0.00 | _ | ||
京农科828 Jingnongke828 | 11 416.95±246.87cd | 12 262.25±224.52cdef | 0.00 | 0.00 | _ | ||
MC121 | 11 237.15±210.35d | 12 109.00±71.17ef | 0.00 | 0.00 | _ | ||
鑫瑞25 Xinrui25 | 11 271.45±250.53d | 12 161.50±109.60ef | 0.00 | 0.00 | _ | ||
现代59 Xiandai59 | 11 325.90±357.45d | 12 171.00±97.89ef | 0.00 | 0.00 | _ | ||
硕秋518 Shuoqiu518 | 11 371.85±60.77d | 12 330.80±154.99cde | 0.00 | 0.00 | _ | ||
京科739 Jingke739 | 11 690.45±75.85b | 12 514.55±146.16bc | 0.00 | 0.00 | _ | ||
京农科736 Jingnongke736 | 11 649.95±86.67bc | 12 330.25±109.28cde | 0.00 | 0.00 | _ | ||
MC738 | 11 315.70±155.19d | 12 201.70±94.55def | 0.00 | 0.00 | _ | ||
MC812 | 11 697.15±77.04b | 12 530.55±162.75bc | 0.00 | 0.00 | _ | ||
京科528 Jingke528 | 11 347.40±336.41d | 12 247.50±88.20cdef | 0.00 | 0.00 | _ | ||
京科389 Jingke389 | 12 168.80±156.44a | 12 757.90±354.95ab | 0.00 | 0.00 | _ | ||
京单68 Jingdan68 | 12 082.00±66.61a | 12 732.25±337.63ab | 0.00 | 0.00 | _ | ||
京单58 Jingdan58 | 12 081.85±66.49a | 12 823.95±282.03a | 0.00 | 0.00 | _ | ||
京单38 Jingdan38 | 11 639.45±104.27bc | 12 480.30±138.73bcd | 0.00 | 0.00 | _ | ||
丰乐303 Fengle303 | 10 512.00±115.77f | 11 298.55±124.05hi | 0.00 | 0.00 | _ | ||
NK718 | 11 282.95±119.22d | 12 215.35±70.04def | 0.00 | 0.00 | _ | ||
MC565 | 11 244.85±285.66d | 12 166.15±106.92ef | 0.00 | 0.00 | _ | ||
迪卡159 Dika159 | 10 537.00±104.77f | 11 426.25±248.03hi | 0.00 | 0.00 | _ | ||
迪卡517 Dika517 | 10 127.60±301.81g | 11 147.85±320.13h | 0.00 | 0.00 | _ | ||
先玉023 Xianyu023 | 10 905.40±137.22e | 11 805.20±107.71g | 6.90 | 13.50 | R6 | ||
先玉688 Xianyu688 | 11 802.75±110.34b | 12 676.95±111.87ab | 1.20 | 4.70 | R6 | ||
郑单958 Zhengdan958 | 10 582.30±91.35f | 11 476.70±190.48hi | 10.45 | 89.40 | R6 | ||
先玉335 Xianyu335 | 10 910.45±136.95e | 11 318.55±101.21hi | 5.34 | 68.56 | V12 | ||
变异来源 Source of variation | 品种 Variety | ** | |||||
密度 Plant density | ** | ||||||
品种×密度 Variety× Plant density | NS |
Table 6 Yields and lodging rates of maize varieties under different planting densities
品种 Variety | 产量Yield/(kg·hm-2) | 倒伏率Lodging rate/% | 倒伏时期Lodging stage | ||||
---|---|---|---|---|---|---|---|
D1 | D2 | D1 | D2 | ||||
京农科728 Jingnongke728 | 11 350.90±406.69d | 12 037.50±83.46fg | 0.00 | 0.00 | _ | ||
京农科828 Jingnongke828 | 11 416.95±246.87cd | 12 262.25±224.52cdef | 0.00 | 0.00 | _ | ||
MC121 | 11 237.15±210.35d | 12 109.00±71.17ef | 0.00 | 0.00 | _ | ||
鑫瑞25 Xinrui25 | 11 271.45±250.53d | 12 161.50±109.60ef | 0.00 | 0.00 | _ | ||
现代59 Xiandai59 | 11 325.90±357.45d | 12 171.00±97.89ef | 0.00 | 0.00 | _ | ||
硕秋518 Shuoqiu518 | 11 371.85±60.77d | 12 330.80±154.99cde | 0.00 | 0.00 | _ | ||
京科739 Jingke739 | 11 690.45±75.85b | 12 514.55±146.16bc | 0.00 | 0.00 | _ | ||
京农科736 Jingnongke736 | 11 649.95±86.67bc | 12 330.25±109.28cde | 0.00 | 0.00 | _ | ||
MC738 | 11 315.70±155.19d | 12 201.70±94.55def | 0.00 | 0.00 | _ | ||
MC812 | 11 697.15±77.04b | 12 530.55±162.75bc | 0.00 | 0.00 | _ | ||
京科528 Jingke528 | 11 347.40±336.41d | 12 247.50±88.20cdef | 0.00 | 0.00 | _ | ||
京科389 Jingke389 | 12 168.80±156.44a | 12 757.90±354.95ab | 0.00 | 0.00 | _ | ||
京单68 Jingdan68 | 12 082.00±66.61a | 12 732.25±337.63ab | 0.00 | 0.00 | _ | ||
京单58 Jingdan58 | 12 081.85±66.49a | 12 823.95±282.03a | 0.00 | 0.00 | _ | ||
京单38 Jingdan38 | 11 639.45±104.27bc | 12 480.30±138.73bcd | 0.00 | 0.00 | _ | ||
丰乐303 Fengle303 | 10 512.00±115.77f | 11 298.55±124.05hi | 0.00 | 0.00 | _ | ||
NK718 | 11 282.95±119.22d | 12 215.35±70.04def | 0.00 | 0.00 | _ | ||
MC565 | 11 244.85±285.66d | 12 166.15±106.92ef | 0.00 | 0.00 | _ | ||
迪卡159 Dika159 | 10 537.00±104.77f | 11 426.25±248.03hi | 0.00 | 0.00 | _ | ||
迪卡517 Dika517 | 10 127.60±301.81g | 11 147.85±320.13h | 0.00 | 0.00 | _ | ||
先玉023 Xianyu023 | 10 905.40±137.22e | 11 805.20±107.71g | 6.90 | 13.50 | R6 | ||
先玉688 Xianyu688 | 11 802.75±110.34b | 12 676.95±111.87ab | 1.20 | 4.70 | R6 | ||
郑单958 Zhengdan958 | 10 582.30±91.35f | 11 476.70±190.48hi | 10.45 | 89.40 | R6 | ||
先玉335 Xianyu335 | 10 910.45±136.95e | 11 318.55±101.21hi | 5.34 | 68.56 | V12 | ||
变异来源 Source of variation | 品种 Variety | ** | |||||
密度 Plant density | ** | ||||||
品种×密度 Variety× Plant density | NS |
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