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Ecotoxicological information

Toxicity to terrestrial plants

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

Experimental data on terrestrial plants are available for the substance.

A GLP study performed according to OECD Guideline 208 (2006) is available for the test substance. Six plant species from five different plant families were tested: Brassica napus, Glycine max, Cucumis sativus, Solanum lycopersicum, Lolium perenne and Zea mays. The test item was mixed into the soil before sowing. At least 20 seeds were tested per concentration and species. The exposure time was 14 or 21 days after 50% emergence in the respective control depending on the growth of the seedlings. The concentration of the test item in the stock solution was verified analytically. The analytical recovery of the test item in the stock solution was 107% of the nominal value. No mortality was observed for any species tested.

Summary of effect concentrations (based on fresh weight) are presented in the table below.

Table1. Summary of effect concentrations (based on fresh weight, mg test item/kg dry soil)

Test specie

NOEC

LOEC

 

EC10

EC20

EC50

Brassica napus

<40

40

 

24.32

56.42

201.13

 

 

 

lower 95%-cl

0.15

2.11

84.04

 

 

 

upper 95%-cl

66.51

115.01

378.22

Glycine max

80

160

 

66.10

101.16

228.36

 

 

 

lower 95%-cl

18.89

42.09

159.84

 

 

 

upper 95%-cl

106.80

147.39

332.92

Cucumis

sativus

80

160

 

125.95

158.10

222.86

 

 

 

lower 95%-cl

85.83

120.13

192.52

 

 

 

upper 95%-cl

153.94

184.60

251.78

Solanum

lycopersicum

80

160

 

20.63*

44.51*

 

193.79*

 

 

 

lower 95%-cl

n.d.

n.d.

n.d.

 

 

 

upper 95%-cl

n.d.

n.d.

n.d.

Lolium perenne

<40

40

 

n.d.

23.71

99.96

 

 

 

lower 95%-cl

n.d.

n.d.

5.06

 

 

 

upper 95%-cl

n.d.

63.31

292.73

Zea mays

320

640

 

300.13*

408.81*

738.36*

 

 

 

lower 95%-cl

n.d.

n.d.

n.d.

 

 

 

upper 95%-cl

n.d.

n.d.

n.d.

* - the ECx-value is with reservation (p(F) > α, α = 0.05), due to the lacking concentration/response the shown ECx could not be valid