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首页> 外文期刊>Australian Journal of Crop Science >Patterns of color formation in different fibers during development of colored cotton (Gossypium hirsutum L.) cultivars
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Patterns of color formation in different fibers during development of colored cotton (Gossypium hirsutum L.) cultivars

机译：彩色棉（Gossypium hirsutum L.）品种发育过程中不同纤维的颜色形成模式

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摘要

We analyzed color development in four cotton (Gossypium hirsutum L.) cultivars, brown cotton (ZX-1 and XC-1), green cotton (4560 and G–7), and compared color parameters to white cotton (LMY28). Color value, chroma (Cab*), and color difference (?Eab*) were studied by tristimulus colorimetry during fiber development. Results showed that lightness (L* values) dimmed gradually and differences were significant (F=25.86–1575.18, P<0.0001) at the same developmental stage, while chromaticity (a* values and b* values) increased and showed an obvious peak. In addition, there were significantly different between cultivars during fiber development (F= 40.12–13435.2, P< 0.0001). The Cab* of brown fiber increased slowly from 25 to 35 days post anthesis (DPA), deepened rapidly from 35 to 40 DPA, and from 55 DPA to maturation. The chroma of the XC-1 brown cotton cultivar was significantly higher than ZX-1 (F=130.36, P<0.0001) at maturation. The Cab* of green fiber gradually deepened from 25 to 45 DPA, reached a maxima at 45 DPA. The Cab* values of the G-7 green cotton cultivar were significantly higher than 4560 (F=46.28–4263.04, P<0.0001) during development. The ?Eab* values of brown fiber were small before 35 DPA, rose rapidly from 35 to 40 DPA, and rose rapidly again sharply with maturation (F=182.95, P<0.0001). The ?Eab* of green fiber increased rapidly, then slowly, but the rapidly increasing phases were different between cultivars, as the ?Eab* of G-7 fiber rose rapidly from 35 to 40 DPA, while that of 4560 fiber rose most rapidly from 30 to 35 DPA. The final ?Eab* of the 4560 cultivar reached a stable level of 12.84 at maturation, which was significantly lower than G-7 (F=4556.97, P<0.0001). Thus, the fiber color of brown cultivars gradually deepened before 35 DPA, rapidly deepened from 35 to 40 DPA, and from 55 DPA to maturation, while green cultivars gradually deepened from 25 to 45 DPA, reached a maxima at 45 DPA, and then faded from 55 DPA to maturation.
机译：我们分析了四个棉花品种（陆地棉），棕色棉花（ZX-1和XC-1），绿色棉花（4560和G-7）的颜色发育，并将颜色参数与白色棉花（LMY28）进行了比较。在纤维显影过程中，通过三刺激比色法研究了色值，色度（Cab *）和色差（ΔEab*）。结果表明，在相同的发育阶段，亮度（L *值）逐渐变暗，差异显着（F = 25.86–1575.18，P <0.0001），而色度（a *值和b *值）增加并出现明显的峰值。此外，在纤维发育过程中，不同品种之间存在显着差异（F = 40.12–13435.2，P <0.0001）。花后（DPA）从25天到35天，棕色纤维的Cab *缓慢增加，从35 DPA到40 DPA迅速增加，从55 DPA迅速成熟。 XC-1棕色棉花品种的色度在成熟时显着高于ZX-1（F = 130.36，P <0.0001）。绿色纤维的Cab *从25 DPA逐渐加深到45 DPA的最大值。在发育过程中，G-7绿色棉花品种的Cab *值显着高于4560（F = 46.28–4263.04，P <0.0001）。棕色纤维的ΔEab*值在35 DPA之前很小，从35 DPA迅速上升到40 DPA，并且随着成熟而再次急剧上升（F = 182.95，P <0.0001）。绿色纤维的？Eab *迅速增加，然后缓慢增加，但是不同品种之间的快速增加阶段有所不同，因为G-7纤维的？Eab *从35 DPA迅速上升到40 DPA，而4560纤维的？Eab *从30 DPA快速上升。 DPA为30到35。 4560品种的最终ΔEab*在成熟时达到稳定的12.84水平，显着低于G-7（F = 4556.97，P <0.0001）。因此，棕色品种的纤维颜色在35 DPA之前逐渐加深，从35 DPA迅速增加到40 DPA，从成熟到55 DPA逐渐变深，绿色品种从25 DPA逐渐加深到45 DPA，在45 DPA达到最大值，然后褪色从55 DPA到成熟。

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