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Table 5 The two ragweeds of different population densities during growth stages (individual/m2; Mean ± SE)

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

Growth stages

A. artemisiifolia

A. trifida

Low-density

High-density

Low-density

High-density

SS

235 ± 1.5

462 ± 2.8

196 ± 1.8

386 ± 3.2

VS

168 ± 1.9

396 ± 3.4

155 ± 1.3

256 ± 2.5

BS

43 ± 1.3

154 ± 2.5

45 ± 1.1

58 ± 1.7

MS

25 ± 0.6

46 ± 1.2

18 ± 0.7

35 ± 1.2