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EC number: 915-730-3
CAS number: -
In a terrestrial plant test according to OECD TG 208 under GLP, 6 plant
species were tested for seedling emergence, growth and phytotoxic
effects (chlorosis, necrosis and abnormal growth). The overall EC10 on
leaf fresh weight being the most sensitive parameter resulted in 27
mg/kg soil dw. The doses were selected based on a dose range finding
study and were 12.3, 37, 111, 333 and 1000 mg/kg soil dw. The
concentration in the stock solution was verified but actual measures in
the soil were not performed. The soil is a sandy loam and was sterilised
before use. All particles were < 0.2cm. The organic matter content is
0.67 +/-0.03%. The following dicotyls were used: Brassica napus, Glycine
max, Solanum lycopersicum and Cucumis sativus. The following monocotyles
were use: Avena sativa and Allium cepa. Untreated seeds were sewn in
pots and plants were grown for 14 days, except Allium cepa which was
grown for 21 days. Fresh weight of the leaves of plants was the more
sensitive endpoint compared to germination, phytotoxicity and mortality.
The EC10 of all six plant species was averaged as the number of species
=>5, which results in 27 mg/kg dw soil.
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