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Alfalfa/lucerne (Medicago sativa) - (Forage/fodder crops)

List of pests-diseases-weeds for country: Canada (west)

Information on all pests, diseases and weeds can be found in the downloadable Excel files
click on a pest/disease/weed to display a list of relevant publications

diseases
pests
weeds

diseases:

Ascomycota - Dothideomycetes:

Ascochyta medicaginicola
Boeremia exigua
Leptosphaeria sclerotioides

Ascomycota - Leotiomycetes:

Botrytis cinerea
Sclerotinia sclerotiorum

Ascomycota - Sordariomycetes:

Fusarium avenaceum
Verticillium alboatrum

Basidiomycota:

Rhizoctonia solani

Other plant diseases:

Crown rot of alfalfa

pests:

Coleoptera:

Hypera postica
Sitona lineellus

Diptera (plant parasitic):

Agromyza frontella

Hemiptera - Heteroptera (plantsucking):

Adelphocoris (genus)
Adelphocoris lineolatus
Lygus (genus)
Lygus borealis
Lygus keltoni
Lygus lineolaris

Hemiptera - Sternorrhyncha:

Acyrthosiphon pisum

Lepidoptera:

Autographa californica
Colias eurytheme

Other insect orders (plant/storage pests):

Bruchophagus roddi

weeds:

Eudicotyledons - Asterales:

Cirsium arvense (weed)
Taraxacum officinale (weed)

Eudicotyledons - Brassicales:

Sinapis arvensis (weed)

Eudicotyledons - Caryophyllales:

Amaranthus retroflexus (weed)
Bassia scoparia (weed)
Chenopodium album (weed)
Silene vulgaris (weed)

Monocotyledons:

Avena fatua (weed)
Bromus tectorum (weed)
Elymus repens (weed)
Setaria viridis (weed)