水分胁迫下嫁接甜瓜的商品品质和营养品质

IF 1 Q3 HORTICULTURE
Marco Antonio Villegas Olguín, M. C. L. Fuente, A. Mendoza, Antonio Juárez Maldonado, Alberto Sandoval Rangel, E. Cusimamani
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引用次数: 2

摘要

水分胁迫会产生活性氧,从而降低果实的品质。嫁接是一种可以提高作物水分利用效率的技术。进行这项工作是为了评估不同水分胁迫对甜瓜果实商业和营养品质的影响。将生长在荫蔽室下的哈密瓜植株嫁接到克里奥尔南瓜砧木上,并在不同的水分胁迫(20、30和40kPa)下生长。在30kPa水分胁迫(G30)下,嫁接甜瓜植株表现出更大的果实硬度和更高的过氧化氢酶活性。G30果实的GPX活性比未嫁接的植株高出80%。在40kPa的水张力下,果实中的GSH含量较高。超氧化物歧化酶在非嫁接植物果实中表现出15%以上的抑制作用。在较高的水张力下,DPPH的抗氧化活性降低,而维生素C含量增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Commercial and nutraceutical quality of grafted melon cultivated under hydric stress
Water stress decreases the quality of fruit by generating reactive oxygen species. Grafting is a technique that can improve the efficiency of crop water usage. This work was performed in order to assess the effect of different water stresses on the commercial and nutraceutical quality of a melon fruit. Cantaloupe melon plants, grown under shade houses were grafted onto a creole pumpkin rootstock and grown with different water stresses (20, 30, and 40 kPa). The grafted melon plants under 30-kPa water stress (G30) showed greater fruit firmness and increased catalase activity. The G30 fruits showed an increase in GPX activity of up to 80% over the non-grafted plants. The GSH was higher in fruits subjected to the 40-kPa water tension. The superoxide dismutase showed a 15% greater inhibition in the fruits from the non-grafted plants. At higher water tensions, the DPPH antioxidant activity decreased, while the vitamin C content increased.
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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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