resource managers and ecosystems ( Capers et al. 2005 ). Japanese knotweed was identified as the most problematic invasive plant with a mean rank of 4.6 ± 0.06. More than 80% of respondents ranked this plant in the highest two categories (4 and 5) and 63
.], Japanese knotweed ( Fallopia japonica Houtt.), catsear dandelion ( Hypochoeris radicata L.), and plantains ( Plantago spp.) ( Anonymous, 2010 ; Bukum et al., 2010 ; Curtis et al., 2009 ; Rudenko, 2009 ). Aminocyclopyachlor has promising implications
( Alliaria petiolata ) are widespread in the natural resource areas and it would be difficult to eradicate these two invaders. The time line of introduction for louise’s swallowwort ( Cynanchum louiseae ) and japanese knotweed ( Polygonum cuspidatum ) is
. A reduction in viability of hard seeded weeds such as common knotweed ( Polygonum arenastrum Borean) and little mallow was also observed at both locations for knotweed and at only the MBA location for little mallow. Weed densities in the resident
Reynoutria sachalinensis (giant knotweed) marketed as Regalia ® by Marrone Bio Innovations (Davis, CA) as an organic fungicide with activity against powdery mildew, gray mold, and blights increased root growth of strawberry and tomato seedlings after
. Manage. 5 165 178 U.S. Department of Agriculture 2021 The PLANTS database < http://plants.usda.gov > VanWallendael, A. Hamann, E. Franks, S.J. 2018 Evidence for plasticity, but not local adaptation, in invasive Japanese knotweed