Germinacao das sementes de
Conyza canadensis e Conyza bonariensis em funcao da disponibilidade hidrica no substrato.
ASTERACEAE
Conyza canadensis (L.) 0.38 1.13 Cronquist Gutierrezia sarothrae 10.73 6.66 (Pursh) Britton & Rusby Gymnosperma glutinosum 3.45 2.01 (Spreng.) Less.
Biology and ecophysiology of hairy fleabane (Conyza bonariensis) and horseweed (
Conyza canadensis).
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).
Conyza canadensis (L.) Cronquist was collected from Balcova, Izmir, Turkey, in the flowering-fruit stage, in November 2013.
In all quadrants
Conyza canadensis, Impatiens parviflora, and Sambucus racemosa were registered.
Penthorum sedoides
Conyza canadensis Blephilia ciliata Populus deltoides Dadylis glomerata * Bromus inermis * Salix sp.
The most common herbs were Arenaria serpyllifolia, Capsella bursapastoris, Cardamine hirsuta, Cichorium intybus, Claytonia virginica, Conium maculatum,
Conyza canadensis, Draba verna, Erigeron annuus, Galinsoga quadriradiata, Geum canadense, Impatiens pallida, Lepidium virginicum, Medicago lupulina, Oxalis stricta, Plantago lanceolata, P.
Distribution of glyphosate-resistant horseweed (
Conyza canadensis) and relationship to cropping systems in the Central Valley of California.
Kochia (Kochia scoparia), Canada fleabane (
Conyza canadensis), and both common and giant ragweed (Ambrosia artemisiifolia and Ambrosia trifida, respectively) are four resistant species resident in Canada; and of these, kochia and Canada fleabane are present in the Okanagan.
1 shows a map of the invasive
Conyza canadensis spread in the Republic of Tatarstan.
Conyza canadensis - common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron