Buscar
Itens para a visualização no momento 101-110 of 130
Eficiência de inseticidas químicos e identificação de mecanismos moleculares de resistência a piretroides em Chrysodeixis includens (Lepidoptera: Noctuidae)
(Universidade Federal de Santa Maria, 2018-09-07)
Larvae of the soybean looper, Chrysodeixis includens (Walker, [1858]) (Lepidoptera:
Noctuidae), is the most important soybean caterpillar pest in Brazil due to high tolerance to
insecticides and control failures in soybean ...
Caracterização molecular de Chrysodeixis includens em soja no Brasil
(Universidade Federal de Santa Maria, 2015-02-27)
Soybeans are one of the crops with the highest expression in Brazil, both in area planted as in sales volume. The culture has as main pests defoliating caterpillars. Among these, stands out Chrysodeixis includens, pest ...
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas
(Universidade Federal de Santa Maria, 2017-02-17)
Mancozeb has been the protective fungicide with a multi-site mechanism widely used associated with fungicide programs in soybean cultivation. This compound has provided significant increases in the systemic fungicides ...
Herbicidas dessecantes na fauna edáfica e genotoxicidade
(Universidade Federal de Santa Maria, 2014-08-21)
The use of direct seeding system brought changes on the weed management, by the mean of increasing of chemical control. The intense use of herbicides may have effect over the ecology of non-target soil organism. Two studies ...
Apiáceas e alternarioses: tratamento de sementes, qualidade fisiológica e sanitária no armazenamento
(Universidade Federal de Santa Maria, 2012-02-29)
Carrots, cilantro and parsley are vegetable, Apiaceae family, important in agriculture and Brazilian culinary. In recent years, the increasing production of these species led to the emergence of pest problems, especially ...
Composição química e qualidade de sementes de variedades crioulas de milho no armazenamento
(Universidade Federal de Santa Maria, 2014-01-15)
Preserving landrace maize seeds variety has a cultural and biodiversity relevance. Besides, genetic variability conservation of landrace maize seeds has a purpose on sustainability of the familiar growers activity. Thereby ...
Indução de resistência à antracnose em feijoeiro por Trichoderma harzianum e Bacillus subtilis
(Universidade Federal de Santa Maria, 2016-02-22)
The massive use of chemicals to control plant diseases cause numerous negative impacts on agricultural production system on non-target organisms, consumers and farmers. Therefore, the use of biological control organisms ...
Tratamento de sementes de feijão, soja e arroz com vinhaça de batata ( Solanum tuberosum L.)
(Universidade Federal de Santa Maria, 2011-04-18)
The vinasse of potato (Solanum tuberosum L.) has been used in an empirical way for the
treatment of seeds and fertilization of different plant species in Silveira Martins, RS, Brazil.
However, no information is available ...
Risco de ocorrência de excesso hídrico para a cultura do girassol na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2014-02-21)
The approach to knowledge about the probabilities of water excess occurrence enables
the planning sunflower crop management, mainly about the sowing period. The objective of
this study was quantify and analyze the ...
Respostas agronômicas e morfofisiológicas do girassol ao déficit e excesso hídrico em dois solos
(Universidade Federal de Santa Maria, 2016-01-29)
Soil water availability is one of the major factors affecting the success or failure of an agricultural crop. Stresses caused by water deficit or surplus are harmful to the growth and sunflower yield. Plant growth pattern ...