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Morfofisiologia e exigências térmicas de Cyperus difformis L. (Cyperaceae)
(Universidade Federal de Santa Maria, 2018-03-01)
The species Cyperus difformis (L.) (tiririquinha) is prominent in the South of Brazil as weed in flooded areas, especially in irrigated paddy rice cultivation under a pre-germinated system. However, in recent years, it has ...
Alterações fenotípicas de duas espécies de Eragrostis wolf. (Poaceae) sob diferentes condições de umidade do solo
(Universidade Federal de Santa Maria, 2016-03-07)
The species Eragrostis pilosa and Eragrostis plana has been found in lowland environment
promoting interference by competing with the rice (Oryza sativa). Eragrostis are exotic plants
to the floodplain environment and ...
Estudo alelopático e fitoquímico de Eragrostis lugens Nees. (POACEAE)
(Universidade Federal de Santa Maria, 2019-03-22)
Interactions between organisms mediated by the release of chemical compounds into the environment is
named allelopathy. This concept describes the influence of one organism on the other, which may be
harmful or beneficial, ...
Desempenho fotossintético e eficiência de herbicidas em Urochloa plantaginea (POACEAE) submetidas às diferentes condições hídricas do solo e doses de nitrogênio
(Universidade Federal de Santa Maria, 2018-03-01)
The species Urochloa plantaginea naturaly native from upland areas, has been demonstrating high occurrence in flooded areas at rice crop in Rio Grande do Sul state of Brazil. There is little information related to specific ...