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National Repository of Grey Literature 11 records found  previous11 - 11  jump to record: Search took 0.00 seconds. 
Suppressive efect of knotweed and other selected plant species on the germination and foliar necrosis
 Šerá, Božena ; Plachká, E. ; Vrchotová, Naděžda
Selected plant species Reynoutria sachalinensis, Carum carvi, Sophora japonica and Impatiens glandulifera was used for testing the toxic effects on the model species of white mustard (Leucosinapis album) and oilseed rape (Brassica napus). Two types of test were used. First, the growth of seeds was tested on the model species in the soil mixed with the various aboveground parts of selected plants. Second, leaves of the model plants were treated with extracts from selected plant species and with the pathogen of Leptosphaeria maculans isolate. The reaction to the impact of selected plant species in the soil substrate was analogue in both of white mustard and oilseed rape. Greater phytotoxicity was recorded for the leaves of Reynoutria sachalinensis and the fruits of Carum carvi. Small phytotoxicity was relatively low when the substrate with the tree bark of Sophora japonica was used.
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