Table 7 Preparation of the extract solution for the evaluation of phytotoxic activity.

From: Salvia pratensis L. extracts as potential eco-friendly herbicides for sustainable agricultural applications

Amount of extract

Amount of distilled water (mL)

Content of dry biomass in mg/mL

W 60

S 1

S 2

S 3

S 4

1µL

99.99

0.3

0.2

0.3

0.1

0.1

1 mL

99.0

0.3

0.4

0.4

0.2

0.1

10 mL

90

1.4

0.5

0.6

0.7

0.3

25 mL

75

2.6

1.2

1.1

1.7

0.7

50 mL

50

5.0

2.2

2.2

2.9

1.4

Pure extract

0

10.1

4.4

4.0

5.6

2.7

  1. *W60 = represents water bath extract at 60 °C; S1 = represents Soxhlet water extract and S2 = Soxhlet 10% alcohol extract, S3 = Soxhlet 30% alcohol extract, S4 = Soxhlet 70% alcohol extract.