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Óleo essencial de Piper gaudichaudianum Kunth: rendimento, composição química e atividade fungitóxica in vitro
(Universidade Federal de Santa Maria, 2015-02-26)
This work describes the seasonal analysis of the yield and chemical composition of the essential oil (EO) for the native species Piper gaudichaudianum Kunth in a population of Santa Maria, in order to determine the best ...
Óleo essencial de Hesperozygis ringens (Benth.) Epling: variabilidade do rendimento, composição química e atividades biológicas
(Universidade Federal de Santa Maria, 2014-02-25)
Researches involving plant derived products aiming to discover extractives useful for different purposes have been growing, and among them, essential oils (EO) are noteworthy. One of the main sources of EO is the Lamiaceae ...
Nutrição, sombreamento e antagonismo biológico no controle da podridão-de-raízes da erva-mate (Ilex paraguariensis A. St.-Hill)
(Universidade Federal de Santa Maria, 2008-02-20)
The erva-mate (Ilex paraguariensis) is a species broadly cultivated in southern Brazil and neighboring countries, which leaves and fine branches prepared according to the appropriate method, make the mate or chimarrão ...
Métodos de superação de dormência: qualidade fisiológica e sanitária e transmissão de Alternaria alternata em sementes de Lithrea molleoides e Senna macranthera
(Universidade Federal de Santa Maria, 2009-03-05)
This work was carried out with seeds of Senna macranthera and Lithrea molleoides objective was to determine the health and physiological quality of seed through
different tests and to evaluate the transmission of Alternaria ...
Colletotrichum sp. causando mancha foliar em Cassia fistula L.: patogenicidade, morfologia, caracterização molecular e controle in vitro
(Universidade Federal de Santa Maria, 2016-02-25)
The species Cassia fistula L., popularly known as chuva-de-ouro, is an exotic arboreta, used for the purpose of urban trees, however, despite its ornamental value, the species has not been the subject of research papers, ...
Qualidade fisiológica e sanitária de sementes de Cordia americana (L.) Gottschling & J. S. Mill
(Universidade Federal de Santa Maria, 2013-02-22)
Cordia americana (L.) Gottschling & J.S.Mill. (guajuvira) is a forest species widely distributed in Brazil with importance in its economics and environment. Therefore, there is a great demand of research in seed technology ...
Avaliação da qualidade de sementes e mudas de espécies florestais nativas
(Universidade Federal de Santa Maria, 2006-03-23)
The native forest species seeds are the responsible for the maintenance and perpetuation of those in nature, being for natural germination or by programs of seedlings formation for the forest recomposing. The use of fast ...
Fusarium sambucinum associado a sementes de Pinus elliottii: patogenicidade, morfologia, filogenia molecular e controle
(Universidade Federal de Santa Maria, 2012-07-16)
Pinus elliottii is an important forestal culture, whose seeds, in terms of health quality,
display high vulnerability to fungal pathogenic agents, especially to the association of
especially by association of Fusarium ...
Qualidade fisiológica e sanitária de sementes de cedro e patogenicidade de Rhizoctonia spp.
(Universidade Federal de Santa Maria, 2010-02-24)
The native forest specie Cedrela fissilis Vell. had its population reduced because of the extraction of its wood. The worry of its extinction has been favoring researches related with the specie perpetuation, including ...
Atividade antifúngica de óleos essenciais de espécies florestais
(Universidade Federal de Santa Maria, 2019-02-18)
Forest crops are highly affected by fungal diseases, however the market lacks alternatives to chemicals products to control these pathogens. In this sense, the objective of this work was to evaluate the antifungal activity ...