Australasian Plant Disease Notes (2017) 12 (35) - Pathogenicity of Pythium spp. ...

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E. Abreo, P. Vaz-Jauri, L. Nuñez, S. Stewart, N. Mattos, B. Dini and N. Altier (2017)
Pathogenicity of Pythium spp. obtained from agricultural soils and symptomatic legume seedlings in Uruguay
Australasian Plant Disease Notes 12 (35)
Abstract: Pythium spp. were isolated from symptomatic plants and agricultural soils in Uruguay. Species were identified and the pathogenicity of representative isolates was assessed in vitro on lotus, alfalfa and soybean seeds. Pythium sylvaticum and P. paroecandrum were the least virulent on lotus and alfalfa, while P. irregulare, P. ultimum and P. cryptoirregulare were the most virulent. Soybean seeds were equally affected by isolates of all tested Pythium species.
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Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Globisporangium ultimum Alfalfa/lucerne (Medicago sativa) Uruguay
Globisporangium ultimum Soybean (Glycine max) Uruguay
Globisporangium irregulare Alfalfa/lucerne (Medicago sativa) Uruguay
Globisporangium irregulare Soybean (Glycine max) Uruguay
Globisporangium paroecandrum Soybean (Glycine max) Uruguay
Globisporangium sylvaticum Soybean (Glycine max) Uruguay
Globisporangium cryptoirregulare Alfalfa/lucerne (Medicago sativa) Uruguay
Globisporangium cryptoirregulare Soybean (Glycine max) Uruguay