| 不同纳米铜处理对香石竹切花‘小桃红’的保鲜效果 |
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| 引用本文： | 吴雨衡,黄祥富,何生根,梁佳勇,陈文志,王书玉,李红梅.不同纳米铜处理对香石竹切花‘小桃红’的保鲜效果[J].仲恺农业工程学院学报,2022,35(1):7-12. |
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| 作者姓名： | 吴雨衡 黄祥富 何生根 梁佳勇 陈文志 王书玉 李红梅 |
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| 作者单位： | ;1.仲恺农业工程学院园艺园林学院;2.广东大观农业科技股份有限公司;3.仲恺农业工程学院农业与生物学院 |
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| 摘 要： | 为探究新型杀菌剂纳米铜（Nano-copper，NC）处理对切花的保鲜效应，观测了不同浓度NC单独及其与3 g/L蔗糖的组合溶液瓶插处理香石竹（Dianthus caryophyllus L.）切花‘小桃红’瓶插期间的观赏品质、花径和水分关系等指标. 与对照（以去离子水作为瓶插液）相比，2、5 和 10 mg/L NC单独处理对香石竹切花没有明显的保鲜效果，而2或5 mg/L NC+3 g/L蔗糖处理均可有效促进花朵开放和使花色艳丽，并明显延缓花瓣萎蔫和改善观赏品质. 进一步研究表明，2或5 mg/L NC+3 g/L蔗糖处理可显著增加香石竹切花的花径变化率，促进花枝水分吸收和维持较高的鲜质量和水分平衡值. 试验结果表明适宜浓度的NC加蔗糖组合溶液瓶插处理对香石竹切花‘小桃红’具有良好的保鲜作用.
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| 关 键 词： | 香石竹 切花 纳米铜 蔗糖 观赏品质 |
Effects of different nano-copper treatments on cut carnations ‘Tonic Golem’ |
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| Abstract: | In order to study the fresh-keeping effects of nano-copper (NC), a new-type nano-bactericide, on cut flowers, the ornamental quality, flower opening and water relations of cut carnations (Dianthus caryophyllus L. ‘Tonic Golem’) were investigated by using vase treatments with different concentrations of NC alone and NC plus 3 g/L sucrose. Compared with the control (i.e., the vase solution was deionized water), 2, 5 and 10 mg/L NC alone had no obvious fresh-keeping effects on the cut carnation flowers, while the combination of 2 or 5 mg/L NC and 3 g/L sucrose could effectively promote flower opening and make the flower colorful, and obviously reduce the petal wilting, thereby enhancing the ornamental quality of cut flowers. Further observation indicated that 2 or 5 mg/L NC plus 3 g/L sucrose significantly increased the relative flower diameter of cut carnations, improved their water uptake, and maintained a higher fresh weight and water balance value than those of control and other treatment. The results showed that the vase treatment with appropriate concentration of NC and sucrose combination solution had positive preservation effects on cut carnations ‘Tonic Golem’. |
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