1.(Plants) any plant of the verbenaceous genusVerbena,chiefly of tropical and temperate America, having red, white, or purple fragrant flowers: much cultivated as garden plants. See alsovervain 2.(Plants) any of various similar or related plants, esp the lemon verbena ...
Verbena bonariensisStem rotHighlights from the article: In June 2017, foliage wilt and stem necrosis and decay were observed on a dozen plants in a home garden located in Nowy Tomy'sl county (Poland). The affected plants were collected, small pieces of the stems were surface-disinfested (1 ...
bonariensis seedlings. Four plants were inoculated with 5 mm diameter PDA plugs from a ten- day-old S. sclerotiorum culture, and one with a pure PDA plug. The disks were placed directly on the stalk and covered with a piece of Parafilm. The plants were covered with plastic bags to ...