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首页> 外文期刊>Acta Horticulturae >The Effect of Water Stress on the Growth, Yield, and Flavonolignan Content in Milk Thistle (Silybum marianum)
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The Effect of Water Stress on the Growth, Yield, and Flavonolignan Content in Milk Thistle (Silybum marianum)

机译:水分胁迫对水飞蓟(Silybum marianum)生长,产量和黄酮木聚糖含量的影响

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摘要

Milk thistle (Silybum marianum (L.) Gaertn.) is a medicinal plant, grown worldwide, that contains hepatoprotectant phenolic compounds known as flavonolignans. These compounds are found primarily in the seeds and are collectively known as silymarin. This study examined the effect of water stress on plant growth, seed yield, and flavonolignan content in milk thistle. Plants were hydroponically grown under greenhouse conditions with varying daily water rates (200, 650, 1100, 1550 and 2000 ml/day). The lowest watering rate significantly reduced stem height and bloom diameter. The highest water treatment also showed the highest count of malformed or immature seeds. The primary blooms were analyzed separately from the secondary blooms for flavonolignan content. In primary blooms, the lowest water rate yielded the highest concentration of taxifolin. In secondary blooms, flavonolignan content was not significantly affected by treatments.
机译:蓟(Silybum marianum(L.)Gaertn。)是一种药用植物,在世界范围内种植,其中含有被称为黄酮精油的保肝酚类酚类化合物。这些化合物主要存在于种子中,统称为水飞蓟素。这项研究检查了水分胁迫对水飞蓟的植物生长,种子产量和黄酮木脂素含量的影响。使植物在温室条件下水培生长,日用水量各不相同(200、650、1100、1550和2000毫升/天)。最低浇水速率显着降低了茎高和大花直径。最高的水处理量也显示出畸形或未成熟种子的最高数量。分别对初次开花和次要开花进行了黄素木脂素含量分析。在初生花序中,最低的水流量产生最高的紫杉醇浓度。在次生花序中,黄素木脂素含量未受到处理的显着影响。

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