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The Effect of Temperature on Plant Growth in Four Gerbera hybrida Cultivars

文献类型： 外文期刊

作者： Li, Fan 1 ; Li, Shenchong 1 ; Shan, Qinli 1 ;

作者机构： 1.Yunnan Acad Agr Sci, Natl Engn Res Ctr Ornamental Hort, Floriculture Res Inst, Yunnan Key Lab Flower Breeding, Kunming 650200, Yunnan, Peoples R China

关键词： temperature response; plant height; biomass accumulation; leaf area; photosynthesis

期刊名称：HORTSCIENCE （ 影响因子：1.455； 五年影响因子：1.617 ）

ISSN： 0018-5345

年卷期： 2019 年 54 卷 7 期

页码：

收录情况： SCI

摘要： Temperature is one of the main factors that affects the growth pattern of Gerbera hybrida, which shows vast variation in morphology and stress adaptation among cultivars. However, little is known about temperature responses of plant growth among different cultivars. In this study, four cultivars were planted in different growth temperatures to investigate the effect of temperature on plant growth of Gerbera hybrida during their vegetative growth. Results showed that the optimum growth temperature of the four cultivars was 20 degrees C, of which plant height, root length, biomass accumulation, leaf area, and photosynthetic rate were enhanced significantly. Different cultivars showed diverse temperature adaptation ranges, which were related with their genetic background, and the temperature adaptability of cultivar Autumn was the best among the four cultivars. Temperature also had significant effects on photosynthetic rate, which was the main factor shaping plant growth. Our research provides the basic guidance for the growth temperature control in the cultivation of Gerbera hybrida.

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