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Long-Term Maternal Fertilizer Addition Increased Seed Size but Decreased Germination Capacity and Offspring Performance in Taxus baccata L.
Plant fitness and species persistence depend on seed quantity and their ability to germinate and produce viable offspring. Although maternal environment can have a great impact on seed quality, few studies are pointing to the transgenerational effect of maternal environment on germination rate and offspring traits. Moreover, global changes connected to nitrogen and phosphorus deposition can also impact plants’ reproductive performance. Here, we collected Taxus baccata L. seeds produced by the same genotype female plants grown in different nutritional regimes. We use them to analyze seed size and the impact of long-term fertilization on germination capacity and offspring traits. Our results show that long-term maternal fertilizer addition increases the ratio of large seeds produced, but at the same time decreases germination capacity compared to control and nonfertilized plants. Moreover, it was demonstrated that maternal environment impacts seed traits and germination rate, and seed mass rather than maternal environment impacts offspring performance. Therefore, the study provides information on how the maternal environment regulates seed traits and germination capacity as well as seedling growth to adapt to increased nitrogen and phosphorus deposition and improves prediction about plants’ response to global environmental changes.
Long-Term Maternal Fertilizer Addition Increased Seed Size but Decreased Germination Capacity and Offspring Performance in Taxus baccata L.
Plant fitness and species persistence depend on seed quantity and their ability to germinate and produce viable offspring. Although maternal environment can have a great impact on seed quality, few studies are pointing to the transgenerational effect of maternal environment on germination rate and offspring traits. Moreover, global changes connected to nitrogen and phosphorus deposition can also impact plants’ reproductive performance. Here, we collected Taxus baccata L. seeds produced by the same genotype female plants grown in different nutritional regimes. We use them to analyze seed size and the impact of long-term fertilization on germination capacity and offspring traits. Our results show that long-term maternal fertilizer addition increases the ratio of large seeds produced, but at the same time decreases germination capacity compared to control and nonfertilized plants. Moreover, it was demonstrated that maternal environment impacts seed traits and germination rate, and seed mass rather than maternal environment impacts offspring performance. Therefore, the study provides information on how the maternal environment regulates seed traits and germination capacity as well as seedling growth to adapt to increased nitrogen and phosphorus deposition and improves prediction about plants’ response to global environmental changes.
Long-Term Maternal Fertilizer Addition Increased Seed Size but Decreased Germination Capacity and Offspring Performance in Taxus baccata L.
Emilia Pers-Kamczyc (author) / Jan Suszka (author)
2022
Article (Journal)
Electronic Resource
Unknown
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