Xinjiang Agricultural Sciences ›› 2024, Vol. 61 ›› Issue (5): 1112-1121.DOI: 10.6048/j.issn.1001-4330.2024.05.009
• Crop Genetics and Breeding·Germplasm Resources·Molecular Genetics • Previous Articles Next Articles
LIU Chaoqun1(), DONG Helin2,3, WAN Sumei1, ZHENG Cangsong2, LUO Lei2, MA Yunzhen2, DONG Zhenlin1, CHEN Guodong1,3(
), LI Pengcheng2,3(
)
Received:
2023-09-28
Online:
2024-05-20
Published:
2024-07-09
Correspondence author:
CHEN Guodong, LI Pengcheng
刘超群1(), 董合林2,3, 万素梅1, 郑苍松2, 骆磊2, 马云珍2, 董祯林1, 陈国栋1,3(
), 李鹏程2,3(
)
通讯作者:
陈国栋,李鹏程
作者简介:
刘超群(1997-),男,河南周口人,硕士研究生,研究方向为干旱区农作制度,(E-mail)1172638580@qq.com
基金资助:
CLC Number:
LIU Chaoqun, DONG Helin, WAN Sumei, ZHENG Cangsong, LUO Lei, MA Yunzhen, DONG Zhenlin, CHEN Guodong, LI Pengcheng. Study on suitable planting density of cotton with different row spacing configurations in southern Xinjiang[J]. Xinjiang Agricultural Sciences, 2024, 61(5): 1112-1121.
刘超群, 董合林, 万素梅, 郑苍松, 骆磊, 马云珍, 董祯林, 陈国栋, 李鹏程. 不同行距配置方式下棉花适宜种植密度的筛选[J]. 新疆农业科学, 2024, 61(5): 1112-1121.
行距 Line spacing | 密度 Density | 回归方程 Regression equation | 决定系数R2 Coefficients determination | t0(d) | Vm [g/(d·株)] | t1 (d) | t2 (d) | △t (d) |
---|---|---|---|---|---|---|---|---|
H3 | A1 | Y=1 871.0/(1+e4.889 1-0.070 653 t) | 0.996 4** | 69.2 | 33.1 | 50.5 | 87.8 | 37.3 |
A2 | Y=2 313.5/(1+e4.358 3-0.061 060 t) | 0.988 6* | 71.3 | 35.3 | 49.8 | 92.9 | 43.1 | |
A3 | Y=2 404.7/(1+e4.571 0-0.066 963 t) | 0.989 7* | 68.2 | 40.3 | 48.6 | 87.9 | 39.3 | |
H4 | A1 | Y=1 970.1/(1+e4.667 5-0.062 347 t) | 0.995 2** | 74.9 | 30.7 | 53.8 | 96.1 | 42.3 |
A2 | Y=2 452.1/(1+e4.453 4-0.054 947 t) | 0.992 0** | 81.1 | 33.7 | 57.1 | 105.1 | 48.0 | |
A3 | Y=2 085.1/(1+e5.113 2-0.082 063) | 0.967 4* | 62.3 | 42.8 | 46.2 | 78.3 | 32.1 | |
H5 | A1 | Y=2 159.0/(1+e4.442 4-0.057 897 t) | 0.999 7** | 76.7 | 31.3 | 54.0 | 99.5 | 45.5 |
A2 | Y=2 302.2/(1+e3.779 0-0.050 736 t) | 0.960 1* | 74.5 | 29.2 | 48.6 | 100.5 | 52.0 | |
A3 | Y=2 229.6/(1+e5.228 5-0.081 024 t) | 0.998 7** | 64.5 | 45.1 | 48.3 | 80.8 | 32.5 | |
H6 | A1 | Y=1 850.4/(1+e5.370 4-0.077 934 t) | 0.995 3** | 68.9 | 36.0 | 52.0 | 85.8 | 33.8 |
A2 | Y=2 109.0/(1+e6.282 2-0.094 850 t) | 0.983 6* | 66.2 | 50.0 | 52.3 | 80.1 | 27.8 | |
A3 | Y=2 044.6/(1+e3.992 1-0.058 679 t) | 1.000 0** | 68.0 | 30.0 | 45.6 | 90.4 | 44.9 |
Tab.1 Dry matter accumulation equations for cotton per unit area of different treatments
行距 Line spacing | 密度 Density | 回归方程 Regression equation | 决定系数R2 Coefficients determination | t0(d) | Vm [g/(d·株)] | t1 (d) | t2 (d) | △t (d) |
---|---|---|---|---|---|---|---|---|
H3 | A1 | Y=1 871.0/(1+e4.889 1-0.070 653 t) | 0.996 4** | 69.2 | 33.1 | 50.5 | 87.8 | 37.3 |
A2 | Y=2 313.5/(1+e4.358 3-0.061 060 t) | 0.988 6* | 71.3 | 35.3 | 49.8 | 92.9 | 43.1 | |
A3 | Y=2 404.7/(1+e4.571 0-0.066 963 t) | 0.989 7* | 68.2 | 40.3 | 48.6 | 87.9 | 39.3 | |
H4 | A1 | Y=1 970.1/(1+e4.667 5-0.062 347 t) | 0.995 2** | 74.9 | 30.7 | 53.8 | 96.1 | 42.3 |
A2 | Y=2 452.1/(1+e4.453 4-0.054 947 t) | 0.992 0** | 81.1 | 33.7 | 57.1 | 105.1 | 48.0 | |
A3 | Y=2 085.1/(1+e5.113 2-0.082 063) | 0.967 4* | 62.3 | 42.8 | 46.2 | 78.3 | 32.1 | |
H5 | A1 | Y=2 159.0/(1+e4.442 4-0.057 897 t) | 0.999 7** | 76.7 | 31.3 | 54.0 | 99.5 | 45.5 |
A2 | Y=2 302.2/(1+e3.779 0-0.050 736 t) | 0.960 1* | 74.5 | 29.2 | 48.6 | 100.5 | 52.0 | |
A3 | Y=2 229.6/(1+e5.228 5-0.081 024 t) | 0.998 7** | 64.5 | 45.1 | 48.3 | 80.8 | 32.5 | |
H6 | A1 | Y=1 850.4/(1+e5.370 4-0.077 934 t) | 0.995 3** | 68.9 | 36.0 | 52.0 | 85.8 | 33.8 |
A2 | Y=2 109.0/(1+e6.282 2-0.094 850 t) | 0.983 6* | 66.2 | 50.0 | 52.3 | 80.1 | 27.8 | |
A3 | Y=2 044.6/(1+e3.992 1-0.058 679 t) | 1.000 0** | 68.0 | 30.0 | 45.6 | 90.4 | 44.9 |
行距 Row spacing | 密度 Density | 收获株数 Harvested plants (104 plants/hm2) | 单位面积铃数 Boll No. per plan (个/m2) | 单铃重 Single boll weight (g) | 籽棉产量 Seed cotton yield (kg/hm2) | 衣分 Lint percentage (%) |
---|---|---|---|---|---|---|
H3 | A1 | 15.2 c | 97.2 b | 6.1 bcd | 6 009.5 e | 38.1 c |
A2 | 18.3 b | 104.8 b | 6.0 d | 6 079.0 de | 40.8 abc | |
A3 | 22.6a | 102.8 b | 6.1 cd | 6 255.3 cde | 41.1 abc | |
H4 | A1 | 14.7c | 98.6 b | 6.5 ab | 6 298.7bcde | 39.8 abc |
A2 | 18.8 b | 107.5 ab | 6.5 abc | 6 866.1 abc | 38.4 bc | |
A3 | 22.6a | 105.8 ab | 6.6 a | 6 976.6 ab | 41.9 abc | |
H5 | A1 | 14.9 c | 99.5 b | 6.1 bcd | 6 017.2 e | 39.7 abc |
A2 | 18.6 b | 115.6 a | 6.1 abcd | 7 026.9 a | 42.4 ab | |
A3 | 22.5a | 107.7 ab | 6.4 abcd | 6 840.3 abc | 41.4 abc | |
H6 | A1 | 14.8 c | 98.8 b | 6.2 abcd | 6 030.6 e | 41.7 abc |
A2 | 18.8b | 101.8 b | 6.1 cd | 6 180.8 cde | 43.2 a | |
A3 | 23.0a | 101.5 b | 6.6 a | 6 776.2abcd | 41.6 abc | |
变异来源Source of variation | ||||||
行距 Row spacing | ns | ns | ** | ns | ns | |
密度 Density | ns | ** | ns | ** | ns | |
密度×行距 Density×Row spacing | ns | ns | ns | ns | ns |
Tab.2 Changes of planting density and row spacing on yield and yield component of cotton
行距 Row spacing | 密度 Density | 收获株数 Harvested plants (104 plants/hm2) | 单位面积铃数 Boll No. per plan (个/m2) | 单铃重 Single boll weight (g) | 籽棉产量 Seed cotton yield (kg/hm2) | 衣分 Lint percentage (%) |
---|---|---|---|---|---|---|
H3 | A1 | 15.2 c | 97.2 b | 6.1 bcd | 6 009.5 e | 38.1 c |
A2 | 18.3 b | 104.8 b | 6.0 d | 6 079.0 de | 40.8 abc | |
A3 | 22.6a | 102.8 b | 6.1 cd | 6 255.3 cde | 41.1 abc | |
H4 | A1 | 14.7c | 98.6 b | 6.5 ab | 6 298.7bcde | 39.8 abc |
A2 | 18.8 b | 107.5 ab | 6.5 abc | 6 866.1 abc | 38.4 bc | |
A3 | 22.6a | 105.8 ab | 6.6 a | 6 976.6 ab | 41.9 abc | |
H5 | A1 | 14.9 c | 99.5 b | 6.1 bcd | 6 017.2 e | 39.7 abc |
A2 | 18.6 b | 115.6 a | 6.1 abcd | 7 026.9 a | 42.4 ab | |
A3 | 22.5a | 107.7 ab | 6.4 abcd | 6 840.3 abc | 41.4 abc | |
H6 | A1 | 14.8 c | 98.8 b | 6.2 abcd | 6 030.6 e | 41.7 abc |
A2 | 18.8b | 101.8 b | 6.1 cd | 6 180.8 cde | 43.2 a | |
A3 | 23.0a | 101.5 b | 6.6 a | 6 776.2abcd | 41.6 abc | |
变异来源Source of variation | ||||||
行距 Row spacing | ns | ns | ** | ns | ns | |
密度 Density | ns | ** | ns | ** | ns | |
密度×行距 Density×Row spacing | ns | ns | ns | ns | ns |
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