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首页> 外文期刊>Acta Horticulturae >The Effect of Population Density on Growth, Yield, and Flavonolignan Content in Milk Thistle (Silybum marianum}
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The Effect of Population Density on Growth, Yield, and Flavonolignan Content in Milk Thistle (Silybum marianum}

机译：种群密度对水飞蓟（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 grown throughout the world for its hepatoprotectant flavonolignans, collectively known as silymarin. Silymarin is found primarily in the seeds. Milk thistle was grown in a controlled environment (16 h light at 1200 mu mol m~(-2) s~(-1) and 23 deg C and 8 h dark at 16 deg C) for the determination of plant growth, seed yield, and flavonolignan content under various levels of population density stress. Total seed count (ranging from 0 to 293) and seed yield (from 0.0 to 4.3 g) decreased with the increasing plant density. Furthermore, the count and the yield of malformed or immature seeds also decreased with increasing density. Additionally, the number of blooms per plant, bloom diameter, and mature seed count and yield were negatively correlated to density. However, there was no significant effect of plant density observed on the flavonolignan content.
机译：水飞蓟（水飞蓟（Silybum marianum（L.）Gaertn。）因其保肝剂黄酮木精（统称为水飞蓟素）而在世界范围内种植。水飞蓟素主要存在于种子中。在控制的环境中生长水飞蓟（在1200μmol m〜（-2）s〜（-1）下16 h光照，在23摄氏度下16摄氏度，在黑暗下8个小时），以测定植物的生长和种子产量，以及不同水平的人口密度胁迫下的黄酮木脂素含量。随着植物密度的增加，种子总数（从0到293）和种子产量（从0.0到4.3 g）下降。此外，畸形或未成熟种子的数量和产量也随着密度的增加而降低。此外，每株植物的开花数量，开花直径，成熟种子数和产量与密度呈负相关。然而，没有观察到植物密度对黄酮木脂素含量有显着影响。

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