水培小莴苣对生长期紫外线-B 辐射照射的反应

Q3 Agricultural and Biological Sciences

Advances in horticultural science Pub Date : 2023-11-22 DOI:10.36253/ahsc-13849

Ana Cecilia Silveira Gómez, Luis Rivera Marchant, Victor Hugo Escalona Contreras

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引用次数: 0

摘要

生菜（Lactuca sativa L.）的营养价值可与其他蔬菜媲美。它可以在室外或室内的土壤和水培系统中生产，在某些情况下，还可以在辐射管理下生产。紫外线-B 辐射会影响蔬菜的功能质量，而且越来越频繁。Kristine RZ 和 Versaï RZ 两个品种受到了四种辐射剂量的照射：紫外线-B0（0 μW-cm-2）、紫外线-B16（16 μW-cm-2）、紫外线-B33（33 μW-cm-2）和紫外线-B58（58 μW-cm-2），持续时间为 30 分钟，为期 10 天。生菜叶片收割两次。第一次收获时，"Versaï RZ "的叶面积未受辐射影响，而高剂量（33 和 58 μW-cm-2）则使 "Kristine RZ "的叶面积分别减少了 15-30 %。辐射对干物质百分比和颜色参数没有明显影响。不过，功能化合物受到了影响。总的来说，'Kristine RZ'品种对辐射有积极的反应。Kristine RZ "对 16 µW-cm-2 的剂量反应积极，而 "Versaï RZ "对 58 µW-cm-2 的剂量反应积极。在第二次收获时，还观察到 "Versaï RZ "的功能化合物含量有所增加，而 "Kristine RZ "的含量则有所下降，这表明其对紫外线-B 辐射的适应性不同，必须进行单独研究。

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Response of hydroponic baby lettuce to UV-B radiation exposure during the growing period

Lettuce (Lactuca sativa L.) has a nutritional contribution comparable to other vegetables. It is produced in soil and hydroponics systems, outdoors or indoors, and in some cases, with the management of radiation. UV-B radiation exposure can influence the functional quality of vegetables and is becoming more frequent. Cultivars Kristine RZ and Versaï RZ were exposed to four radiation doses: UV-B0 (0 μW·cm-2), UV-B16 (16 μW·cm-2), UV -B33 (33 μW·cm-2) and UV-B58 (58 μW·cm-2), during 30 min for 10 days. Lettuce leaves were harvested twice. The leaf area of 'Versaï RZ' was not affected by radiation in the first harvest, while the high doses (33 and 58 µW·cm-2) reduced the leaf area of 'Kristine RZ' between 15-30 %, respectively. The radiation did not significantly impact the percentage of dry matter and the color parameters. However, functional compounds were affected. In general, the cv. Kristine RZ responded positively to the dose of 16 µW·cm-2 while 'Versaï RZ' to 58 µW·cm-2. An increase in the content of functional compounds was also observed in 'Versaï RZ' in the second harvest, and a reduction in the levels measured in 'Kristine RZ' indicated a different adaptation to UV-B radiation that must be studied individually.

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来源期刊

Advances in horticultural science Agricultural and Biological Sciences-Horticulture

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Advances in Horticultural Science aims to provide a forum for original investigations in horticulture, viticulture and oliviculture. The journal publishes fully refereed papers which cover applied and theoretical approaches to the most recent studies of all areas of horticulture - fruit growing, vegetable growing, viticulture, floriculture, medicinal plants, ornamental gardening, garden and landscape architecture, in temperate, subtropical and tropical regions. Papers on horticultural aspects of agronomic, breeding, biotechnology, entomology, irrigation and plant stress physiology, plant nutrition, plant protection, plant pathology, and pre and post harvest physiology, are also welcomed. The journal scope is the promotion of a sustainable increase of the quantity and quality of horticultural products and the transfer of the new knowledge in the field. Papers should report original research, should be methodologically sound and of relevance to the international scientific community. AHS publishes three types of manuscripts: Full-length - short note - review papers. Papers are published in English.