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Chemical and Biological Technologies in Agriculture

Table 6 Phytotoxic activity of freshwater macroalgae methanolic extract on Lemna minor

From: Investigation of important biochemical compounds from selected freshwater macroalgae and their role in agriculture

Sample

Concentration (ppm)

100

300

500

C. vulgaris

2.33 ± 0.58

3.33 ± 0.58

2.67 ± 1.15

C. glomerata

3.67 ± 0.58

3.67 ± 0.58

5.67 ± 1.15

S. crassa

6.33 ± 1.53

6.33 ± 1.53

6.33 ± 0.58

Atrazine (herbicides)

5 ± 1

7.33 ± 0.58

8.33 ± 0.58

Control (water)

1.67 ± 0.58

0.33 ± 0.58

0.33 ± 0.58

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