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U.S.A. (SW)

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 - Dothideomycetes:

Ascochyta medicaginicola
Leptosphaeria sclerotioides

Ascomycota - Sordariomycetes:

Colletotrichum lini

Bacteria:

Pseudomonas viridiflava
Xanthomonas euvesicatoria
Xylella fastidiosa

Other fungal-like organisms:

Peronospora trifoliorum
Phytophthora inundata

Plant parasitic nematodes:

Aphelenchoides ritzemabosi
Ditylenchus dipsaci
Heterodera medicaginis
Meloidogyne chitwoodi
Meloidogyne hapla
Pratylenchus neglectus

Plant viruses:

Cucurbit yellow stunting disorder virus

pests:

Coleoptera:

Diabrotica undecimpunctata
Hypera brunnipennis
Hypera postica
Sitona hispidulus

Diptera (plant parasitic):

Liriomyza sativae

Hemiptera - Cicadomorpha:

Dalbulus maidis
Draeculacephala minerva
Spissistilus festinus

Hemiptera - Heteroptera (plantsucking):

Bagrada hilaris
Lygus hesperus
Lygus lineolaris
Nysius raphanus

Hemiptera - Sternorrhyncha:

Acyrthosiphon kondoi
Acyrthosiphon pisum
Bemisia tabaci
Bemisia tabaci biotype MEAM1
Macrosiphum creelii
Ripersiella kondonis
Therioaphis trifolii

Lepidoptera:

Autographa californica
Helicoverpa zea
Heliothis virescens
Spodoptera exigua
Trichoplusia ni

Other insect orders (plant/storage pests):

Melanoplus bivittatus
Melanoplus packardii
Melanoplus sanguinipes
Oedaleonotus enigma

weeds:

Eudicotyledons - Brassicales:

Capsella bursa-pastoris (weed)

Eudicotyledons - Caryophyllales:

Stellaria media (weed)

Monocotyledons:

Bromus tectorum (weed)