| 赤霉素处理对芥蓝主侧薹产量和品质的影响 |
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| 引用本文： | 童璐,成善汉,居利香,徐艺,雷欣,倪苗,汪志伟,朱国鹏,陈艳丽. 赤霉素处理对芥蓝主侧薹产量和品质的影响[J]. 热带生物学报, 2020, 11(1): 7. DOI: 10.15886/j.cnki.rdswxb.2020.01.002 |
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| 作者姓名： | 童璐 成善汉 居利香 徐艺 雷欣 倪苗 汪志伟 朱国鹏 陈艳丽 |
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| 作者单位： | 海南大学 园艺学院，海口 570228 |
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| 基金项目： | 海南省重点研发计划项目（ZDYF2018094）；海南省重大科技计划项目（ZDKJ2017001） |
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| 摘 要： | 研究不同浓度赤霉素处理对芥蓝主侧薹产量和品质的影响，以便筛选出适合芥蓝主侧薹产量优化和品质提升的赤霉素浓度，为芥蓝高产优质栽培提供理论依据。结果表明:30 mg·L?1赤霉素喷施显著促进主薹、第1侧薹伸长，50 mg·L?1赤霉素处理显著促进侧薹伸长；30 mg·L?1赤霉素处理使芥蓝主薹、第2侧薹产量大幅提高，从而使每公顷较对照提高了11.13%。30 mg·L?1赤霉素还可促进侧薹蛋白质积累,提高芥蓝主侧薹可溶性糖含量积累，降低纤维素含量。因而在促进芥蓝主侧薹产量优化和品质提升方面，30 mg·L?1赤霉素处理最佳。
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| 关 键 词： | 赤霉素 芥蓝 主侧薹 产量 品质 |
| 收稿时间： | 2019-05-30 |
Effects of Gibberellin Treatment on Yield and Intrinsic Quality of the Main and Lateral Stems of Chinese Kale |
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| Affiliation: | College of Horticulture, Hainan University, Haikou, Hainan 570228, China |
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| Abstract: | Chinese kale (Brassica alboglabra L. H. Bailey) was treated with gibberellin at different concentrations to screen a suitable gibberellin concentration for higher yield and optimal quality of the main and lateral stems of Chinese kale. The results showed that the gibberellin treatment by spraying at 30 mg·L?1 significantly promoted the elongation of the main and the first lateral stems, and that the gibberellin treatment at 50 mg·L?1 significantly promoted the elongation of the second lateral stem. The gibberellin treatment at 30 mg·L?1 significantly increased the yield of the main stem and the second lateral stem in Chinese kale, thus increasing the yield of Chinese kale by 11.13% compared with the control. The 30 mg·L?1 gibberellin treatment also promoted protein accumulation in the lateral stems, increased soluble sugar content in the main and lateral stems and reduced cellulose content of Chinese kale. Therefore, the 30 mg·L?1 gibberellin treatment was the best in promoting yield and intrinsic quality of the main and lateral stems of Chinese kale. |
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