新疆农业科学 ›› 2023, Vol. 60 ›› Issue (4): 790-797.DOI: 10.6048/j.issn.1001-4330.2023.04.002
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
收稿日期:
2022-09-22
出版日期:
2023-04-20
发布日期:
2023-05-06
通信作者:
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:
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:
摘要:
【目的】研究缩节胺复配打顶剂对机采棉株型塑造和棉铃分布的影响。【方法】2021年以新陆中88号为材料,采用双因素裂区试验设计,因素为缩节胺和打顶处理,缩节胺2个水平,喷施缩节胺(H1)和不喷施缩节胺(H0);打顶3个水平,打顶剂喷施(D1)、人工打顶(D2)和不打顶(D3)。研究缩节胺复配打顶剂对棉花株高、主茎日增长量、茎粗、主茎节间数、节间长度、果枝数、果枝长度干物质积累与分配及产量构成的影响。【结果】随着缩节胺的喷施,棉花株高、主茎日增长量、果枝长度、果枝夹角及株宽呈降低趋势,打顶剂喷施可以抑制棉花顶部的生长,并起到免打顶的作用。缩节胺复配打顶剂可以塑造适宜机采的棉花株型。缩节胺复配打顶剂可以更好的将棉花的生殖生长向营养生长转移,增加棉花营养器官的重量,提高棉花的产量。喷施缩节胺处理伏前桃个数显著高于处理不喷施缩节胺处理,增幅为43.3%。各打顶处理间伏前桃个数无显著差异。各处理的伏桃个数以打顶剂喷施处理最高,不打顶处理最低,棉花的秋桃个数以不打顶处理最低,人工打顶处理最高。喷施缩节胺和打顶剂均可以显著增加棉铃数量,提高棉花产量。【结论】喷施缩节胺和打顶剂会显著影响棉花适宜机采的农艺性状,影响棉花株型塑造及棉铃分布,在生产中使用缩节胺和打顶剂相结合,可以提高棉花产量。
中图分类号:
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.
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.
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 |
表1 不同缩节胺复配打顶剂下机采棉主茎节间长度、果枝数、无效果枝数及始果节高变化
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 |
表2 不同缩节胺复配打顶剂下机采棉果枝长度、果枝夹角及株宽变化
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 |
图3 不同缩节胺复配打顶剂下机采棉棉铃“三桃”分布变化
Fig.3 The effect of the compound topping agent of DPC on the distribution of cotton boll “three peaches” in machine-picked cotton
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 |
表3 不同缩节胺复配打顶剂下机采棉棉铃空间分布变化
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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