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《Molecular Plant Breeding》 2018-10
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Effects of Hormone Treatments on Florescence and Physiological Mechanism of Tulipa

Wei Yu;Zhang Hui;Liu Na;Beijing Laboratory of Urban and Rural Ecological Environment, Beijing Floriculture Engineering Technology Research Centre,Beijing Botanical Garden;  
Using Tulipa‘Red impression'as experimental materials, the study observed the effect of different hormones treatments on Tulipa florescence. At the same time, the scales and basal stems were collected in planting time,budding time, squaring stage, full-bloom stage and decay period, and the contents of water, soluble sugar and soluble protein in each parts were measured. The results showed that the exogenous hormones had no significant effect on florescence but could significantly extend the flowering time. Compared with post-hormone treatment, propase treatment had better effect on flowering time extension of single flower. Exogenous hormones had almost little effect on the content of water and soluble sugar. However, after the treatment, the soluble protein content increased significantly. Therefore, the results indicated that the ability of exogenous hormones treatment to extend the flowering time of single flower might be related to complex protein changes and regulation. The results of this study preliminarily showed the influence of the externally applied plant growth regulator on the physiological changes of the seeds during the growth and development of tulip, and might provide a theoretical basis for further florescence regulation.
【Fund】: 北京市公园管理中心项目(ZX2011003)资助
【CateGory Index】: S682.263
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