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Table 3 Differences in seed traits between the two ragweeds (1 m × 1 m) (Mean ± SE)

From: The significance of biomass allocation to population growth of the invasive species Ambrosia artemisiifolia and Ambrosia trifida with different densities

Species Population density Total seed numbers
Per plant Per unit area
A. artemisiifolia Low 5632 ± 138a 140,800 ± 452b
High 4134 ± 106b 190,164 ± 433a
A. trifida Low 3325 ± 112a 59,850 ± 252b
High 2618 ± 86b 91,630 ± 363a
  1. Different lowercase letters indicate significant differences between high and low densities in the same trait from the same species (P < 0.05)