The difference in temperature between day and night affects the strawberry soluble sugar content by influencing the photosynthesis, respiration and sucrose phosphatase synthase

IF 1 Q3 HORTICULTURE
Xiang Wu, W. Han, Zaiqiang Yang, Yixuan Zhang, Yanjiao Zheng
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引用次数: 5

Abstract

Plenty of studies have demonstrated that DIF has an effect on the fruit growth. To study the effects of day and night temperature differences on the strawberry sugar quality, an experiment using climate chambers was conducted. Five different differences between the day and night temperatures (DIF) were set, which were 6 °C (28 °C/22 °C, day/night temperature), 8 °C (29 °C/21 °C), 10 °C (30 °C/20 °C), 12 °C (31 °C/19 °C), 14 °C (32 °C/18 °C). The results showed the following indices peaked with a DIF of 12 °C, including the photosynthesis rate, glucose content, fructose content, sucrose content, soluble sugar content and sugar metabolic enzyme activity. The respiration rate increased with the DIF during the day and decreased with the DIF at night. The root dry weight peaked at a DIF of 10 °C, the stolon dry weight peaked at a DIF of 8 °C and the leaf dry weight peaked at a DIF of 6 °C; however, the fruit dry weight reached maximum values at a DIF of 12 °C. The Grey correlation analysis showed that the most important factor in our experiment affecting the fructose content was the sucrose phosphate synthase; however, for the sucrose, glucose, and soluble sugars, the most important factor was the photosynthesis. We found that a DIF of 12 °C (31 °C/19 °C, day/night temperature) was the most suitable for strawberry growth, especially for the sugar content accumulation.
昼夜温差通过影响光合作用、呼吸作用和蔗糖磷酸酶合酶来影响草莓可溶性糖含量
大量研究表明DIF对果实生长有一定的影响。为了研究昼夜温差对草莓糖品质的影响,采用气候箱进行了试验。设定了昼夜温度(DIF)之间的五个不同差异,分别为6°C(28°C/22°C,昼夜温度)、8°C(29°C/21°C)、10°C(30°C/20°C),12°C(31°C/19°C)和14°C(32°C/18°C)。结果表明,DIF为12°C时,光合作用速率、葡萄糖含量、果糖含量、蔗糖含量、可溶性糖含量和糖代谢酶活性等指标达到峰值。呼吸频率在白天随DIF增加而增加,在夜间随DIF降低。根干重在10°C的DIF时达到峰值,匍匐茎干重在8°C的DI F时达到顶峰,叶干重在6°C的DIF时达到高峰;然而,果实干重在12°C的DIF下达到最大值。灰色关联分析表明,影响果糖含量的主要因素是蔗糖磷酸合成酶;然而,对于蔗糖、葡萄糖和可溶性糖,最重要的因素是光合作用。我们发现12°C(31°C/19°C,昼夜温度)的DIF最适合草莓的生长,尤其是对糖含量的积累。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Horticultural Science
Horticultural Science Horticulture-园艺
CiteScore
2.20
自引率
0.00%
发文量
23
审稿时长
>12 weeks
期刊介绍: The journal publishes results of basic and applied research from all areas of horticulture, fruit-growing, vegetable-growing, wine-making and viticulture, floriculture, ornamental gardening, garden and landscape architecture, concerning plants that are grown under the conditions of European temperate zone, or field plants that are considered as horticultural cultures. Original scientific papers, short communications and review articles are published in the journal. Papers are published in English (British spelling).
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