Vegetal Adaptation
Mostrando 13-24 de 33 artigos, teses e dissertações.
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13. Evolução temporal da cobertura vegetal do manguezal do Rio Tavares (Florianópolis - SC) empregando sensoriamento remoto e SIG
The Marine Extractive Reserve of Pirajubaé (REMP) is a pilot area located within the mosaic comprised of the coastal and marine units of Santa Catarina, and represents an ideal sample for the development of integrated actions in the biological, administrative and institutional fields. The aim of this study was to interpret the processes of colonization of t
Publicado em: 2008
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14. Combining ability and peach tree selection for low chilling requirement / Capacidade combinatória e seleção de pessegueiro para baixa necessidade de frio hibernal
O pessegueiro (Prunus persica) é uma espécie de clima temperado que pode ser cultivada em áreas com climas apresentando inverno ameno através da utilização de genótipos adaptados. Esta espécie apresenta dormência em gemas e sementes, sendo que a exposição a um período sob baixas temperaturas é a principal forma para a superação da dormência n
Publicado em: 2008
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15. Viability of potatoÂs family selection in the early generations / Viabilidade da seleÃÃo de famÃlias de batata em geraÃÃes precoces
Potato selection is practiced according to the advancement of generations In the early generations a number of limitations hamper the genetic gains such as high number of clones use of visual selection and limited numbers of tubers from each genotype Thus research has been directed toward family selection which focus first in the selection of the best famili
Publicado em: 2007
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16. Estimation of m+aâand d and the potential single cross of maize hybrids for line extraction
The purposes of this study were to estimate the contribution of heterozygous loci (d) and the contribution of homozygous loci (m+aâ) for morphophisiological characters and to verify the potential of commercial maize hybrids for breeding programs. F1 and F2 generations of ten commercial single cross hybrids were used (DKB 199, 30F90, A2555, DKB 333B, DOW 657
Publicado em: 2007
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17. Estratégias para seleção de linhagens experimentais de soja para tolerância à ferrugem e associações com outras doenças / Strategies for selection of soybean lines to rust tolerance and associations with other diseases
Soybean rust (Phakopsora pachyrhizi Sydow and Sydow) was first recorded in Brazil during the 2000/01 season and, even today, represents an important challenge to soybean breeding. The cultivars and lines initially identified as resistant had their resistance breakdown on the 2002/03 season, probably by the occurrence of new races of the pathogen. Consequentl
Publicado em: 2007
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18. Genetic progress in thirty years of improvement of wheat in Minas Gerais State / Progresso genético em trinta anos de melhoramento do trigo em Minas Gerais
Wheat cropping in the savannah region on Brazil-Central is a reality. In this region, the productivity of the wheat at higher altitude than 400m and under irrigation system is very superior to that on southern region, because the favorable climate conditions. In addition, there is a possibility for wheat upland crop in those savannah areas with altitude abov
Publicado em: 2007
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19. Production, morphologic and ultra-structural analyses of Passiflora spp. callus. / ObtenÃÃo, anÃlises morfolÃgicas e ultra-estruturais de calos de Passiflora spp.
Brazil occupies a position of prominence in the passion fruit plant culture, being the largest world producer of passion fruit. In the last years, the increasing demand resulted in a expansion of the planted area resulting in the expansion and appearance of many diseases. Some species not cultivated, as Passiflora gibertii N. E. Brown and Passiflora edulis e
Publicado em: 2007
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20. Leaf area, senescence and uniform development as favorable treits, in the adaptation of maize cultivars with contrasting genetic variability to crowding. / Área foliar, senescência e uniformidade de desenvolvimento na adaptação ao adensamento de plantas de cultivares de milho com bases genéticas contrastantes.
O incremento na densidade de plantas é uma forma de maximizar a interceptação da radiação solar e o rendimento de grãos do milho. Contudo, ele também pode reduzir a atividade fotossintética da planta e a eficiência de conversão dos fotoassimilados à produção de grãos. Aumentos na tolerância de híbridos de milho ao adensamento têm sido report
Publicado em: 2007
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21. Treatment of the dairy industry wastewater in constructed wetland systems cropped with forages / Tratamento de Água Residuária de Laticínios em Sistemas Alagados Construídos Cultivados com Forrageiras
Taking into account the lack of information on the dimensioning, construction and operational methods, as well as the efficiency of the Constructed Wetland Systems (SACs) in purifying the dairy industry wastewater, this study was carried out to evaluate the influence of either the cropped vegetative species and average organic load applied in each unit area
Publicado em: 2006
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22. Characterization of maize genotypes developed under nitrogen stress and the inheritance of the efficiency in using this nutrient / Caracterização de genótipos de milho desenvolvidos sob estresse de nitrogênio e herança da eficiência de uso deste nutriente
Nitrogen is one of the elements most demanded by maize crop, as well as the nutrient that most burdens the agricultural production, since in a wide part of the arable soils it is not available at the amounts necessary to high productivity, therefore requiring supplemental applications. In addition, the commercial maize cultivars are highly dependent from nit
Publicado em: 2006
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23. Morphophysiological description of early and late potato clones aiming at adaptation to tropical conditions. / DescriÃÃo morfofisiolÃgica de clones de batata precoces e tardios visando a adaptaÃÃo a condiÃÃes tropicais
The objective of this research was to study the growth, tuberization and dry matter partitioning to tubers of early and late potato clones during the vegetative growth. Besides, it was studied the viability for using morphophysiological traits as parameters to select clones more adapted to tropical conditions. Two clones from each maturity class were used, C
Publicado em: 2006
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24. Foliar anatomy of species of Chamaecrista Moench. (Leguminosae/Caesalpinioideae) occurring in rupestrial fields / Anatomia foliar de espécies de Chamaecrista Moench. (Leguminosae/Caesalpinioideae) ocorrentes em campo rupestre
Minas Gerais state flora presents different biomas but little is known about the diversity of its species, some of which secrete natural compounds having well-known biological activity. There is a large number of species of recognized economic interest in the Leguminosae family and in the rupestrial fields of Minas Gerais, totaling 28 of the 351 species incl
Publicado em: 2006