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U.S.A. (mid N)

List of pests-diseases-weeds for crop/product: Alfalfa/lucerne (Medicago sativa)

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 (other orders):

Mycoleptodiscus terrestris

Ascomycota - Dothideomycetes:

Ascochyta medicaginicola
Cercospora medicaginis
Leptosphaeria sclerotioides
Leptosphaerulina trifolii
Stemphylium globuliferum

Ascomycota - Leotiomycetes:

Erysiphe pisi
Oidium (anamorphic genus)
Pseudopeziza medicaginis

Ascomycota - Sordariomycetes:

Colletotrichum trifolii
Neocosmospora solani
Verticillium alboatrum

Bacteria:

Xanthomonas euvesicatoria

Other fungal-like organisms:

Aphanomyces euteiches
Globisporangium irregulare
Globisporangium sylvaticum
Globisporangium ultimum
Phytophthora medicaginis

Other plant diseases:

Phytoplasma asteris

pests:

Coleoptera:

Cerotoma trifurcata
Hypera postica
Hypera punctata

Diptera (plant parasitic):

Agromyza frontella
Delia platura

Hemiptera - Cicadomorpha:

Empoasca fabae

Hemiptera - Heteroptera (plantsucking):

Lygus hesperus
Lygus lineolaris

Hemiptera - Sternorrhyncha:

Acyrthosiphon pisum
Therioaphis trifolii

Lepidoptera:

Plathypena scabra

Other insect orders (plant/storage pests):

Melanoplus (genus)
Melanoplus femurrubrum
Melanoplus packardii
Melanoplus sanguinipes

weeds:

Eudicotyledons - Asterales:

Ambrosia trifida (weed)
Carduus acanthoides (weed)
Helianthus annuus (weed)
Xanthium strumarium (weed)

Eudicotyledons - Caryophyllales:

Amaranthus retroflexus (weed)
Bassia scoparia (weed)
Chenopodium album (weed)
Fallopia convolvulus (weed)
Stellaria media (weed)

Eudicotyledons - Solanales:

Solanum physalifolium (weed)

Monocotyledons:

Setaria pumila (weed)
Setaria viridis (weed)