淹水胁迫条件下不同收获期菜花和白菜形态生理生化特性的影响

IF 2.4 3区 农林科学 Q1 AGRONOMY Gesunde Pflanzen Pub Date : 2023-12-01 DOI:10.1007/s10343-023-00948-8
Necibe Kayak
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引用次数: 0

摘要

气候变化引发的洪水对植物的生长发育有着深远的影响,是一种重要的非生物胁迫源,对白菜和花椰菜的产量和品质有显著影响。在许多地区,白菜和花椰菜在种植期间受到严重的洪水胁迫。本研究旨在评估和比较洪水胁迫对不同收获期白菜和花椰菜形态生理生化特性的影响。在这种情况下,白菜和花椰菜幼苗暴露在过量的水分中,基本参数,如光合作用,抗氧化酶,叶绿素荧光和某些农艺特征。由于洪水胁迫,农艺性状显著下降。结果表明,地上、地下鲜重、干重、叶面积等农艺参数显著降低。结果表明,随着淹水胁迫时间的延长,植株的损伤率呈上升趋势。在我们的实验中,脯氨酸是一种必需氨基酸,在不同的收获时间,在洪水胁迫下显著增加。此外,过氧化氢酶和抗坏血酸过氧化物酶(ROS)的活性也显著增加。在我们的实验中,我们观察到脯氨酸(一种必需氨基酸)在不同收获时间的洪水胁迫下显著增加。活性氧衍生物过氧化氢酶和抗坏血酸过氧化物酶活性也显著升高。此外,气孔电导率、光合效率、叶片温度(°C)和叶绿素荧光水平均下降。不同收获期的水胁迫对白菜和花椰菜的生长发育产生负面影响,导致其生理生化特性发生显著变化。
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The Effect on Morpho-Physiological and Biochemical Characteristics of Cauliflower and Cabbage Harvested at Different Times Under Flooding Stress Conditions

Climate change-induced flooding has a profound impact on plant growth and development, posing a significant abiotic stressor that significantly affects the yield and quality of cabbage and cauliflower. In many regions, cabbage and cauliflower is severely affected by flooding stress during the cultivation period. This study aimed to assess and compare the effects of flooding stress on the morpho-physiological and biochemical properties of cabbage and cauliflower at different harvest times. In this context, cabbage and cauliflower seedlings were exposed to excess water, and essential parameters, such as photosynthesis, antioxidant enzymes, chlorophyll fluorescence, and certain agronomic features. As a result of flooding stress, significant decreases occurred in agronomic features were measured. The results showed significant decreases in agronomic parameters, including aboveground and underground fresh and dry weights, as well as leaf area. It was observed that the damage rate of plants increased as the exposure time to flooding stress increased. In our experiment, proline, an essential amino acid, significantly increased under flooding stress at different harvest times. Furthermore, the activity of catalase and ascorbate peroxidases, which are reactive oxygen species (ROS), also significantly increased in our investigation. In our experiment, we observed significant increases in proline, an essential amino acid, under flooding stress at different harvest times. Additionally, the activity of catalase and ascorbate peroxidases, which are reactive oxygen derivatives (ROS), also significantly increased. Furthermore, decreases were noted in stomatal conductivity, photosynthetic efficiency, leaf temperature (°C), and chlorophyll fluorescence levels. The application of flooding stress at various harvest times had a negative impact on the growth and development of cabbage and cauliflower plants, leading to significant alterations in their physiological and biochemical properties.

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来源期刊
Gesunde Pflanzen
Gesunde Pflanzen 农林科学-农艺学
CiteScore
3.50
自引率
25.80%
发文量
152
审稿时长
>12 weeks
期刊介绍: Gesunde Pflanzen publiziert praxisbezogene Beiträge zum Pflanzenschutz in Landwirtschaft, Forstwirtschaft, Gartenbau und öffentlichem Grün und seinen Bezügen zum Umwelt- und Verbraucherschutz sowie zu Rechtsfragen. Das Themenspektrum reicht von der Bestimmung der Schadorganismen über Maßnahmen und Verfahren zur Minderung des Befallsrisikos bis hin zur Entwicklung und Anwendung nicht-chemischer und chemischer Bekämpfungsstrategien und -verfahren, aber auch zu Fragen der Auswirkungen des Pflanzenschutzes auf die Umwelt, die Sicherung der Ernährung sowie zu allgemeinen Fragen wie Nutzen und Risiken und zur Entwicklung neuer Technologien. Jedes Heft enthält Originalbeiträge renommierter Wissenschaftler, aktuelle Informationen von Verbänden sowie aus der Industrie, Pressemitteilungen und Personalia. Damit bietet die Zeitschrift vor allem Behörden und Anwendern im Agrarsektor und Verbraucherschutz fundierte Praxisunterstützung auf wissenschaftlichem Niveau.
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