Xinjiang Agricultural Sciences ›› 2025, Vol. 62 ›› Issue (2): 270-277.DOI: 10.6048/j.issn.1001-4330.2025.02.002
• Crop Genetics and Breeding·Cultivation Physiology·Physiology and Biochemistry • Previous Articles Next Articles
HU Shasha1,2(), SHAO Liping3, CHEN Lihua1, SONG Weiping2, ZHAO Hai4, ZHANG Xinyu1, SUN Jie1(
)
Received:
2024-08-21
Online:
2025-02-20
Published:
2025-04-17
Correspondence author:
SUN Jie
Supported by:
胡莎莎1,2(), 邵丽萍3, 陈丽华1, 宋卫平2, 赵海4, 张新宇1, 孙杰1(
)
通讯作者:
孙杰
作者简介:
胡莎莎(1996-),女,新疆伊犁人,实习研究员,硕士,研究方向棉花遗传育种,(E-mail)m19914348820@163
基金资助:
CLC Number:
HU Shasha, SHAO Liping, CHEN Lihua, SONG Weiping, ZHAO Hai, ZHANG Xinyu, SUN Jie. Effect of defoliant on boll development and fiber quality of machine-picked cotton[J]. Xinjiang Agricultural Sciences, 2025, 62(2): 270-277.
胡莎莎, 邵丽萍, 陈丽华, 宋卫平, 赵海, 张新宇, 孙杰. 脱叶剂对机采棉棉铃发育及纤维品质的影响[J]. 新疆农业科学, 2025, 62(2): 270-277.
Fig.1 Changes of different defoliants on cotton boll weight at different boll stages Notes: Different letters indicated significant difference (P< 0.05 ),the same as below
脱叶剂 Defoliants | 铃期 Period of boll (d) | 纤维长度 Length (mm) | 整齐度指数 Unifoormity (%) | 断裂比强度 Strength (cN/tex) | 马克隆值 Micronaire | 伸长率 Elongation(%) |
---|---|---|---|---|---|---|
瑞脱龙 Ruituolong | 30 | 29.33±0.41b | 85.46±0.26b | 33.82±0.25a | 3.22±0.27d | 6.73±0.07b |
35 | 29.51±0.33ab | 85.52±0.42ab | 33.86±0.45a | 4.02±0.33c | 6.76±0.07b | |
40 | 29.52±0.36ab | 85.77±0.57a | 33.82±0.65a | 4.53±0.17b | 6.84±0.07a | |
45 | 29.55±0.41ab | 85.79±0.63a | 33.78±0.71a | 4.82±0.28a | 6.84±0.09a | |
50 | 29.85±0.39a | 85.98±0.70a | 33.80±0.61a | 4.83±0.32a | 6.84±0.07a | |
CK | 29.86±0.52a | 86.00±0.39a | 33.90±0.60a | 4.81±0.09a | 6.86±0.09a | |
叶落空 Yeluokong | 30 | 28.37±0.19b | 85.20±0.40b | 33.16±0.48b | 3.09±0.19b | 6.72±0.07c |
35 | 28.47±0.29b | 85.44±0.64a | 33.11±0.37b | 3.28±0.24b | 6.74±0.07bc | |
40 | 28.51±0.42b | 85.41±0.41a | 33.14±0.48b | 4.32±0.25a | 6.77±0.07b | |
45 | 28.56±0.17b | 85.49±0.36a | 33.40±0.34b | 4.38±0.31a | 6.80±0.07ab | |
50 | 28.65±0.21b | 85.50±0.48a | 33.53±0.22ab | 4.50±0.21a | 6.83±0.07a | |
CK | 29.63±0.38a | 85.73±0.35a | 33.96±0.75a | 4.81±0.05a | 6.87±0.05a |
Tab.1 Changes of different defoliants on fiber quality of S268 cotton at different boll stages
脱叶剂 Defoliants | 铃期 Period of boll (d) | 纤维长度 Length (mm) | 整齐度指数 Unifoormity (%) | 断裂比强度 Strength (cN/tex) | 马克隆值 Micronaire | 伸长率 Elongation(%) |
---|---|---|---|---|---|---|
瑞脱龙 Ruituolong | 30 | 29.33±0.41b | 85.46±0.26b | 33.82±0.25a | 3.22±0.27d | 6.73±0.07b |
35 | 29.51±0.33ab | 85.52±0.42ab | 33.86±0.45a | 4.02±0.33c | 6.76±0.07b | |
40 | 29.52±0.36ab | 85.77±0.57a | 33.82±0.65a | 4.53±0.17b | 6.84±0.07a | |
45 | 29.55±0.41ab | 85.79±0.63a | 33.78±0.71a | 4.82±0.28a | 6.84±0.09a | |
50 | 29.85±0.39a | 85.98±0.70a | 33.80±0.61a | 4.83±0.32a | 6.84±0.07a | |
CK | 29.86±0.52a | 86.00±0.39a | 33.90±0.60a | 4.81±0.09a | 6.86±0.09a | |
叶落空 Yeluokong | 30 | 28.37±0.19b | 85.20±0.40b | 33.16±0.48b | 3.09±0.19b | 6.72±0.07c |
35 | 28.47±0.29b | 85.44±0.64a | 33.11±0.37b | 3.28±0.24b | 6.74±0.07bc | |
40 | 28.51±0.42b | 85.41±0.41a | 33.14±0.48b | 4.32±0.25a | 6.77±0.07b | |
45 | 28.56±0.17b | 85.49±0.36a | 33.40±0.34b | 4.38±0.31a | 6.80±0.07ab | |
50 | 28.65±0.21b | 85.50±0.48a | 33.53±0.22ab | 4.50±0.21a | 6.83±0.07a | |
CK | 29.63±0.38a | 85.73±0.35a | 33.96±0.75a | 4.81±0.05a | 6.87±0.05a |
脱叶剂 Defoliants | 铃期 Period of boll (d) | 纤维长度 Length (mm) | 整齐度指数 Unifoormity (%) | 断裂比强度 Strength (cN/tex) | 马克隆值 Micronaire | 伸长率 Elongation (%) |
---|---|---|---|---|---|---|
瑞脱龙 Ruituolong | 30 | 29.87±0.59c | 80.26±0.84d | 27.52±0.66c | 2.31±0.11e | 6.58±0.07d |
35 | 30.15±0.47c | 83.29±0.77c | 29.79±0.58b | 2.56±0.13d | 6.63±0.07d | |
40 | 29.93±0.48bc | 83.38±0.69bc | 30.04±0.62b | 3.13±0.12c | 6.73±0.05c | |
45 | 30.78±0.69b | 84.01±0.41ab | 31.03±0.59a | 3.59±0.14b | 6.85±0.05b | |
50 | 31.60±0.37a | 84.40±0.83a | 31.15±0.54a | 3.98±0.09a | 6.93±0.05a | |
CK | 31.90±0.47a | 84.48±0.53a | 31.21±0.60a | 4.02±0.17a | 6.95±0.05a | |
叶落空 Yeluokong | 30 | 29.94±0.66d | 80.18±0.76d | 26.95±0.62c | 2.20±0.09e | 6.50±0.08e |
35 | 30.43±0.33c | 83.00±0.63c | 29.51±0.86b | 2.49±0.23d | 6.64±0.05d | |
40 | 30.59±0.26bc | 83.08±0.55c | 29.50±0.66b | 2.98±0.36c | 6.73±0.07c | |
45 | 30.60±0.49c | 83.63±0.55bc | 30.88±0.75a | 3.49±0.29b | 6.84±009b | |
50 | 31.42±0.39b | 84.15±0.78ab | 31.17±0.68a | 3.86±0.29a | 6.91±0.06a | |
CK | 31.90±0.47a | 84.48±0.53a | 31.21±0.60a | 4.02±0.17a | 6.95±0.05a |
Tab.2 Changes of different defoliants on fiber quality of S451 cotton at different boll stages
脱叶剂 Defoliants | 铃期 Period of boll (d) | 纤维长度 Length (mm) | 整齐度指数 Unifoormity (%) | 断裂比强度 Strength (cN/tex) | 马克隆值 Micronaire | 伸长率 Elongation (%) |
---|---|---|---|---|---|---|
瑞脱龙 Ruituolong | 30 | 29.87±0.59c | 80.26±0.84d | 27.52±0.66c | 2.31±0.11e | 6.58±0.07d |
35 | 30.15±0.47c | 83.29±0.77c | 29.79±0.58b | 2.56±0.13d | 6.63±0.07d | |
40 | 29.93±0.48bc | 83.38±0.69bc | 30.04±0.62b | 3.13±0.12c | 6.73±0.05c | |
45 | 30.78±0.69b | 84.01±0.41ab | 31.03±0.59a | 3.59±0.14b | 6.85±0.05b | |
50 | 31.60±0.37a | 84.40±0.83a | 31.15±0.54a | 3.98±0.09a | 6.93±0.05a | |
CK | 31.90±0.47a | 84.48±0.53a | 31.21±0.60a | 4.02±0.17a | 6.95±0.05a | |
叶落空 Yeluokong | 30 | 29.94±0.66d | 80.18±0.76d | 26.95±0.62c | 2.20±0.09e | 6.50±0.08e |
35 | 30.43±0.33c | 83.00±0.63c | 29.51±0.86b | 2.49±0.23d | 6.64±0.05d | |
40 | 30.59±0.26bc | 83.08±0.55c | 29.50±0.66b | 2.98±0.36c | 6.73±0.07c | |
45 | 30.60±0.49c | 83.63±0.55bc | 30.88±0.75a | 3.49±0.29b | 6.84±009b | |
50 | 31.42±0.39b | 84.15±0.78ab | 31.17±0.68a | 3.86±0.29a | 6.91±0.06a | |
CK | 31.90±0.47a | 84.48±0.53a | 31.21±0.60a | 4.02±0.17a | 6.95±0.05a |
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