and chickweed in particular should be removed from around growing chrysanthemums as they are host plants for the chrysanthemum eelworm.
Herbicide family Herbicide Weed Dinitroaniline Trifluralin Goosegrass Green foxtail Bipyridylium Paraquat Hairy fleabane Arloxyophenoxyproprionate Diclofop Annual ryegrass Triazine Atrazine/Simazine Common groundsel
Lambsquarters Pigweed Kochia Annual bluegrass Witchgrass Downy brome Sulfonylurea Chlorsulfuron Kochia Russian thistle Prickly lettuce Herbicide family Country Dinitroaniline USA Canada Bipyridylium Egypt Arloxyophenoxyproprionate Australia Triazine USA, Canada Sulfonylurea USA Table 14-11 Weed density by management, rotation, and crop in 1995 in Lamberton, MN.
Compositae Spiny Aster Machearanthera Nectar canescens (Pursch) Compositae Groundsel
Senecio Nectar integerrimus Nutt.
600 Field violet/European Viola arvensis 400 field pansy or "wild pansy" Groundsel
Senecio vulgaris 100 Lambsquarters Chenopodium album 1600+ Prostrate knotweed Polygonum aviculare 400 Shepherd's purse Capsella bursapastoris 50 TABLE 10-3 Common Annual and Perennial Weeds WEED SPECIES TYPE Annuals Barnyardgrass Echinochloa crus-galli Monocot Cheeseweed mallow * Malva parviflora Dicot Crabgrass Digitaria spp.
A member of the sunflower family, it has been given the Latin name Senecio Eboracensis but will be known as York Groundsel
While studying a drab little plant called the groundsel
, he was struck by the fact that plants of the same genetic variety could look very different in different environments.
Effect of light competition on seed production and viability of common groundsel
(Senecio vulgaris L.).
Cantharides, or powdered Spanish Fly (a kind of beetle), powdered bluebottles and groundsel
were regarded as love philtres but were far from safe.
Through this network, the Frederick lab recently acquired four good candidate pathogens--two on Russian thistle, one on Russian knapweed, and another on common groundsel
. Chinese researchers have also sent them several fungi for screening on "mile-a-minute," a fast-growing vine with sharp spines.
patens), violets such as the violeta del campo (Viola asterias, Violaceae), the ice plant (Mesembryanthemum crystallinum, Aizoaceae), as well as the groundsel
(Senecio brunonianus, Asteraceae), the poppy or cardo blanco (Argemone hunnemannii, Papaveraceae), butterfly flowers (Schizanthus candidus, Solanaceae), pata de guanaco (Calandrinia longiscapa, Portulacaceae), the dondiego de noche (Oenothera coquimbensis, Onagraceae), the heath-like Frankenia chilensis (Frankeniaceae), and spurges such as Euphorbia lactiflua (Euphorbiaceae).
Pictou Disease--An eastern Canadian cattle poisoning caused by ingestion of the plant ragwort groundsel
, Senecio jacobaea, either fresh or with hay.
Variation within common groundsel
Senecio vulgaris L.