Xinjiang Agricultural Sciences ›› 2023, Vol. 60 ›› Issue (4): 790-797.DOI: 10.6048/j.issn.1001-4330.2023.04.002
• Cotton regulation technology special column • Previous Articles Next Articles
SHEN Yingying1(), ZHANG Jusong1(), PENG Zengying1, LI Zongrun1, DUAN Songjiang1, WU Yifan1, GUO Rensong2
Received:
2022-09-22
Online:
2023-04-20
Published:
2023-05-06
Correspondence author:
ZHANG Jusong(1963-), male, professor. Research area: physiology and ecology of high yield cultivation in cotton, (E-mail)Supported by:
申莹莹1(), 张巨松1(), 彭增莹1, 李宗润1, 段松江1, 吴一帆1, 郭仁松2
通讯作者:
张巨松(1963-),男,教授,江苏人,硕士生/博士生导师,研究方向为棉花高产栽培与生理生态,(E-mail)作者简介:
申莹莹(1997-),女,硕士研究生,河北邯郸人,研究方向为棉花高产栽培,(E-mail)840594780@qq.com
基金资助:
CLC Number:
SHEN Yingying, ZHANG Jusong, PENG Zengying, LI Zongrun, DUAN Songjiang, WU Yifan, GUO Rensong. The effect of the compound topping agent of DPC on the plant shape and boll distribution of machine-picked cotton[J]. Xinjiang Agricultural Sciences, 2023, 60(4): 790-797.
申莹莹, 张巨松, 彭增莹, 李宗润, 段松江, 吴一帆, 郭仁松. 缩节胺复配打顶剂对机采棉株型塑造和棉铃分布的影响[J]. 新疆农业科学, 2023, 60(4): 790-797.
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化控处理 Chemical control processing | 打顶 方式 Topping mode | 主茎节间长度 Internode length (cm) | 果枝台数 Number fruit branch | 无效果枝数 Number of ineffective branches | 始果节高 Branch high envoy (cm) | ||||
---|---|---|---|---|---|---|---|---|---|
上 Above | 中 Middle | 下 Below | 上 Above | 中 Middle | 下 Below | ||||
H1 | D1 | 4.0c | 6.1c | 5.4c | 11.6d | 2.4d | 0.6b | 0.2b | 20.2a |
D2 | 5.6b | 7.5b | 6.0bc | 10.8f | 0.4e | 0.8ab | 0.4ab | 18.4a | |
D3 | 4.9bc | 7.4b | 7.2ab | 12.8c | 3.8c | 1.4ab | 1.0ab | 19.0a | |
H0 | D1 | 4.8bc | 6.9bc | 5.5c | 15.8b | 5.2b | 1.2ab | 0.8ab | 18.3a |
D2 | 7.9a | 8.8a | 6.1bc | 11.4e | 2.4d | 1.6ab | 1.0ab | 17.8a | |
D3 | 7.7a | 7.8ab | 7.8a | 16.4a | 6.2a | 1.8a | 1.2a | 18.6a | |
H | ** | * | NS | ** | ** | * | * | NS | |
D | ** | ** | ** | ** | ** | NS | NS | NS | |
H×D | NS | NS | NS | ** | NS | NS | NS | NS |
Tab.1 The effect of the compound topping agent of DPC on the internode length of the main stem, the number of fruit branches, the number of ineffective branches and the height of the first fruit node of machine-harvested cotton
化控处理 Chemical control processing | 打顶 方式 Topping mode | 主茎节间长度 Internode length (cm) | 果枝台数 Number fruit branch | 无效果枝数 Number of ineffective branches | 始果节高 Branch high envoy (cm) | ||||
---|---|---|---|---|---|---|---|---|---|
上 Above | 中 Middle | 下 Below | 上 Above | 中 Middle | 下 Below | ||||
H1 | D1 | 4.0c | 6.1c | 5.4c | 11.6d | 2.4d | 0.6b | 0.2b | 20.2a |
D2 | 5.6b | 7.5b | 6.0bc | 10.8f | 0.4e | 0.8ab | 0.4ab | 18.4a | |
D3 | 4.9bc | 7.4b | 7.2ab | 12.8c | 3.8c | 1.4ab | 1.0ab | 19.0a | |
H0 | D1 | 4.8bc | 6.9bc | 5.5c | 15.8b | 5.2b | 1.2ab | 0.8ab | 18.3a |
D2 | 7.9a | 8.8a | 6.1bc | 11.4e | 2.4d | 1.6ab | 1.0ab | 17.8a | |
D3 | 7.7a | 7.8ab | 7.8a | 16.4a | 6.2a | 1.8a | 1.2a | 18.6a | |
H | ** | * | NS | ** | ** | * | * | NS | |
D | ** | ** | ** | ** | ** | NS | NS | NS | |
H×D | NS | NS | NS | ** | NS | NS | NS | NS |
化控处理 Chemical control processing | 打顶 方式 Topping mode | 果枝长度 Fruit branch length (cm) | 果枝夹角(度) Fruit branchangle | 株宽 Plant width (cm) | ||||
---|---|---|---|---|---|---|---|---|
上 Above | 中 Middle | 下 Below | 上 Above | 中 Middle | 下 Below | |||
H1 | D1 | 4.4d | 11.0c | 15.7c | 50.7d | 51.7c | 51.4d | 40.8d |
D2 | 12.3b | 17.8bc | 17.9bc | 58.3ab | 56.7b | 54.5bcd | 55.6b | |
D3 | 7.1cd | 14.4bc | 26.9a | 55.5bc | 60.5a | 56.5abc | 50.3c | |
H0 | D1 | 10.4bc | 15.7bc | 18.3bc | 54.2cd | 52.9c | 52.1cd | 43.8d |
D2 | 20.3a | 29.7a | 22.2ab | 59.7a | 57.8ab | 59.5a | 60.1a | |
D3 | 13.5b | 21.3b | 27.8a | 56.8abc | 61.1a | 57.1ab | 54.9b | |
H | ** | ** | NS | NS | NS | NS | ** | |
D | ** | ** | ** | ** | ** | ** | ** | |
H×D | NS | NS | NS | NS | NS | NS | NS |
Tab.2 The effect of the compound topping agent of DPC on the length of fruit branches, fruit branch angle and plant width of machine-harvested cotton
化控处理 Chemical control processing | 打顶 方式 Topping mode | 果枝长度 Fruit branch length (cm) | 果枝夹角(度) Fruit branchangle | 株宽 Plant width (cm) | ||||
---|---|---|---|---|---|---|---|---|
上 Above | 中 Middle | 下 Below | 上 Above | 中 Middle | 下 Below | |||
H1 | D1 | 4.4d | 11.0c | 15.7c | 50.7d | 51.7c | 51.4d | 40.8d |
D2 | 12.3b | 17.8bc | 17.9bc | 58.3ab | 56.7b | 54.5bcd | 55.6b | |
D3 | 7.1cd | 14.4bc | 26.9a | 55.5bc | 60.5a | 56.5abc | 50.3c | |
H0 | D1 | 10.4bc | 15.7bc | 18.3bc | 54.2cd | 52.9c | 52.1cd | 43.8d |
D2 | 20.3a | 29.7a | 22.2ab | 59.7a | 57.8ab | 59.5a | 60.1a | |
D3 | 13.5b | 21.3b | 27.8a | 56.8abc | 61.1a | 57.1ab | 54.9b | |
H | ** | ** | NS | NS | NS | NS | ** | |
D | ** | ** | ** | ** | ** | ** | ** | |
H×D | NS | NS | NS | NS | NS | NS | NS |
化控处理 Chemical control processing | 打顶 方式 Topping mode | 横向分布 Horizontal distribution | 纵向分布 Vertical distribution | |||
---|---|---|---|---|---|---|
内围铃 Inner bell | 外围铃 Peripheral bell | 上部铃 Upper bell | 中部铃 Central bell | 下部铃 Lower bell | ||
H1 | D1 | 7.2a | 0.6bc | 1.0ab | 3.6a | 3.2a |
D2 | 5.8b | 1.4a | 1.6a | 2.8b | 2.8ab | |
D3 | 4.4c | 0.6bc | 0.4bc | 2.4bc | 2.4bc | |
H0 | D1 | 6.0bc | 0.4bc | 0.4bc | 2.8bc | 2.8ab |
D2 | 4.4c | 1.0ab | 1.0ab | 2.2bc | 2.2bc | |
D3 | 4.0c | 0.2c | 0.2c | 2.0c | 2.0c | |
H | ** | NS | * | ** | * | |
D | ** | ** | ** | ** | ** | |
H×D | NS | NS | NS | NS | NS |
Tab.3 The effect of the compound topping agent of DPC on the spatial distribution of machine-picked cotton bolls
化控处理 Chemical control processing | 打顶 方式 Topping mode | 横向分布 Horizontal distribution | 纵向分布 Vertical distribution | |||
---|---|---|---|---|---|---|
内围铃 Inner bell | 外围铃 Peripheral bell | 上部铃 Upper bell | 中部铃 Central bell | 下部铃 Lower bell | ||
H1 | D1 | 7.2a | 0.6bc | 1.0ab | 3.6a | 3.2a |
D2 | 5.8b | 1.4a | 1.6a | 2.8b | 2.8ab | |
D3 | 4.4c | 0.6bc | 0.4bc | 2.4bc | 2.4bc | |
H0 | D1 | 6.0bc | 0.4bc | 0.4bc | 2.8bc | 2.8ab |
D2 | 4.4c | 1.0ab | 1.0ab | 2.2bc | 2.2bc | |
D3 | 4.0c | 0.2c | 0.2c | 2.0c | 2.0c | |
H | ** | NS | * | ** | * | |
D | ** | ** | ** | ** | ** | |
H×D | NS | NS | NS | NS | NS |
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