sow thistle

(redirected from Sonchus asper)
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Related to Sonchus asper: Sonchus oleraceus, Sonchus arvensis
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  • noun

Synonyms for sow thistle

any of several Old World coarse prickly-leaved shrubs and subshrubs having milky juice and yellow flowers

References in periodicals archive ?
Host plant(s): Althea rosea (3, 6, 7, 11, 13); Dendranthema indicum (3, 6, 7, 11, 12); Sonchus asper (3, 6, 7, 11, 14) and Tagetes minuta (7, 11).
Host plant(s): Althea rosea (3, 6, 7, 11, 13, 14); Amaranthus viridis (6, 7); Chenopodum album (6, 7); Bidens biternata (11, 14); Conyza canadensis (3,11); Coriandrum sativum (11); Dendranthema indicum (3, 6, 7, 11, 14); Euphorbia prostrata (6); Parthenium hysterophorus (1, 2, 3, 6, 7, 8, 11, 13, 15); Solanum nigrum (6, 7, 10) and Sonchus asper (3, 6, 7, 11).
Host plant(s): Althea rosea (3, 6, 7,11); Amaranthus viridis (6, 7); Conyza canadensis (11); Rumex acetosa (1, 2, 8, 9, 11, 12, 13, 14); Plantago major (13, 14); Galinosoga perviflora (11); Parthenium hysterophorus (1, 2, 3, 7, 8, 9, 14); Sonchus asper (3, 6, 7, 11); Tagetes minuta (12); Taxaracum officinale (6, 7) and Withiana somnifera (6, 7).
However, a dicot weed Sonchus asper did not show a significant difference in the reproductive effort between the two sites.
recurva 1 [+ or -] 1 1 [+ or -] 1 Medicago sativa (non-native) 0 0 Nasturtium officinale 0 <1 Polygonum punctatum <1 1 [+ or -] 1 Rumex crispus (non-native) 0 0 Schoenoplectus pungens 100 [+ or -] 0 26 [+ or -] 8 Sisymbrium Trio (non-native) <1 0 Sonchus asper (non-native) 0 0 Typha domingensis 0 0 Unidentified seedlings <1 <1 Total percentage of cover by vegetation 104 [+ or -] 3 53 [+ or -] 15 Thatch of Schoenoplectus 30 [+ or -] 9 7 [+ or -] 3 Bare ground 0 0 Depth of water (mm) 38 [+ or -] 6 47 [+ or -] 4 Season Spring 2002 Species Control Treatment Anemopsis californica 0 0 Aster subulatusvar.