Buscar
Mostrando ítems 121-130 de 130
Análise de adaptabilidade e estabilidade e correlação entre variáveis morfológicas e produtivas em cultivares crioulas de milho
(Universidade Federal de Santa Maria, 2018-07-31)
Maize landraces have great genetic variability and are considered important sources
of alleles for use in Genetic Improvement Programs and also in family farming systems.
The objectives of this thesis were to evaluate ...
Emergência de plântulas de abóbora e de trigo a partir da avaliação da qualidade das sementes
(Universidade Federal de Santa Maria, 2010-01-22)
The great quantity of vigor tests difficult the determination of the estimators of the seedlings
emergency of each culture. The aim of the study is to identify the wheat and squash seeds analysis variables that best predict ...
Tratamento de sementes de milho: avaliações fisiológicas, bioquímicas, de crescimento e da produção
(Universidade Federal de Santa Maria, 2014-02-26)
The aim of this study was to evaluate the effect of growth regulator products in seed treatment, on the physiological potential and biochemical activity at normal conditions and drought; the physiological potential in salt ...
Pressuposto da normalidade multivariada para o teste de razão de verossimilhança entre dois grupos de caracteres de mamoneira
(Universidade Federal de Santa Maria, 2012-02-29)
The likelihood ratio test for independence between two groups of variables allows us to
identify whether there is a dependency relationship between two groups of variables, ie, if the
covariance between the two groups ...
Condutividade elétrica massal, individual e avaliações citogenéticas para determinação do vigor de sementes de trigo
(Universidade Federal de Santa Maria, 2013-07-25)
The quality of the seeds used in any agricultural cultivation is one of the important factors for the obtaining of a number of ideal plants and high productivity. The evaluation of the physiological potential of the seeds ...
Alterações fisiológicas e morfológicas de duas cultivares de arroz irrigado após aplicação do herbicida imazamox na fase reprodutiva
(Universidade Federal de Santa Maria, 2013-03-01)
Weed control is one of the main agricultural practices indispensable to ensure
profitability and crop success. In paddy rice field, red rice is the most important weed due to
its difficult control. A widespread control ...
Soma térmica na brotação e qualidade de tubérculos de batata
(Universidade Federal de Santa Maria, 2011-08-26)
Tuber quality and sprouting are affected by the environmental conditions that the
potato plants are subjected to during their developmental cycle. Despite the different
environmental conditions between seasons and places, ...
Condutividade elétrica massal e individual para determinação do potencial fisiológico de sementes de milho
(Universidade Federal de Santa Maria, 2010-05-28)
The objective of this work was to study the execution of the conductivity test in embryo of
maize seeds. Were used five lots of maize seeds, Pioneer 32R48 hybrid cultivar. The seeds
were submitted to a set of tests in ...
Manejo da umidade relativa do ar durante o armazenamento e sua relação com o amadurecimento e distúrbios fisiológicos em frutas
(Universidade Federal de Santa Maria, 2012-03-16)
Many factors influence the occurrence of physiological disorders in stored fruits, the relative
humidity (RH) is one of the main. The low RH dehydrates the fruits and the high one can
cause physiological disorders. Thus ...
Plantas de cobertura, cultivares e nematicidas no manejo de meloidogyne javanica e pratylenchus brachyurus em soja
(Universidade Federal de Santa Maria, 2014-12-11)
The root-knot nematode Meloidogyne javanica is a major plant parasitic nematode of soybean. Its control should be based on the use of all available methods. Thus the objective of the study was to evaluate the effect of ...