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| Registros recuperados: 36 | |
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| Guimarães,Lúcio Mauro da Silva; Resende,Marcos Deon Vilela de; Lau,Douglas; Rosse,Leonardo Novaes; Alves,Alexandre Alonso; Alfenas,Acelino Couto. |
| Chrysophorte cubensis induced canker occurs in nearly all tropical and subtropical regions where eucalypts are planted, causing losses in both wood quality and volume productivity, especially so in the warmer and more humid regions of Brazil. The wide inter and intra-specific genetic variability of resistance to canker among Eucalyptus species facilitates the selection of resistant plants. In this study, we evaluated resistance to this pathogen in five Eucalyptus grandis (G) and 15 E. urophylla (U) trees, as well as in 495 individuals from 27 progenies derived from crosses between the trees. In the field, six-months-old test seedlings were inoculated with C. cubensis. Lesion length in the xylem and bark was measured eight months later. The results... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Genetic resistance; Genetic breeding; Eucalypt and interspecific hybrids. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000300024 |
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| Carvalho,Sabrina IC; Reifschneider,Francisco JB; Ribeiro,Cláudia SC; Bianchetti,Luciano B; Fernandez,Francisco L. |
| ABSTRACT The Registro Nacional de Cultivares [RNC (National Register of Cultivars)] and the Serviço Nacional de Proteção de Cultivares [SNPC (National Service for Cultivar Protection)] were established by the Ministry of Agriculture, Livestock and Food Supply (MAPA) in 1997. The registration of a cultivar in the RNC allows the production, processing and commercialization of seeds in the country. The right of commercial exploitation, assured by the protection of a cultivar in the SNPC, allows the allocation of resources to public and private breeding programs, and the subsequent launching of new cultivars. The authors’ experience with the theme and its relevance to the public and private sectors provided the base for this article, thus sharing the elements... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Solanum melongena; Intellectual property; Seeds; Morphological characterization; Genetic breeding. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000200146 |
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| Andrade Júnior,Valter C; Oliveira,Altino JM; Guimarães,Amanda G; Ferreira,Marcos Aurélio M; Cavalcanti,Vytória P; Fernandes,José Sebastião C. |
| ABSTRACT The estimation of repeatability coefficient provides support to define the number and the appropriate period of genotype evaluations, obtaining better success in breeding programs, in order to lower labor costs. Therefore, knowing repeatability and heritability parameters is relevant. Thus, the aim of this study was to estimate the repeatability and heritability coefficients and accurately determine the number of measurements. Eight strawberry cultivars were analyzed in a randomized block design with four replicates and eighteen plants per plot, being harvested twice a week over a period of six months (May to October, 2012), totalizing six evaluations. Among the evaluated traits, the estimated heritabilities ranged from 3.13% (number of fruits) to... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Fragaria x ananassa; Genetic breeding; Number of measurements. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362020000100089 |
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| Zanin,Daniel S; Resende,Juliano TV; Zeist,André R; Oliveira,João RF; Henschel,Juliane M; Lima Filho,Renato B. |
| ABSTRACT One of the major problems in cultivation of tomato is the occurrence of pests and diseases. The objective of the research was to select genotypes from the second generation of the first backcross (F2BC1) between the tomato cultivar for processing S. lycopersicum (cv. Redenção) and the wild access S. habrochaites var. hirsutum (PI-127826), with high levels of zingiberene (ZGB), resistant to the twospotted spider mite Tetranychus urticae (Acari: Tetranychidae). From the F2BC1 population. The ZGB content was quantified and five plants with high zingiberene selected (RVTZ 2011-079-117, RVTZ 2011-079-185, RVTZ 2011-079-335, RVTZ 2011-079-345 and RVTZ 2011-079-503) and four with low zingiberene content (RVTZ 2011-079-417, RVTZ 2011-331-460, RVTZ... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Solanum lycopersicum; Solanum habrochaites var. hirsutum; Tetranychus urticae; Genetic breeding; Zingiberene. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000200271 |
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| Ribeiro,Cláudia S da C; Carvalho,Sabrina Isabel C de; Heinrich,Ana Gláucia; Reifschneider,Francisco José B. |
| ABSTRACT The orange-fleshed Biquinho pepper type cultivar BRS Tui was developed by Embrapa Hortaliças to meet the demands of fresh fruit and processing agroindustry of preserves, jellies, flavored oils and vinegar markets. Its fruits are very aromatic, tasty, and crunchy. It is resistant to important diseases, and presents high yield, uniformity and fruit quality. Moreover, ‘BRS Tui’ fruits are sweet and serve consumers who do not consume hot peppers because of their pungency. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Capsicum chinense; Processing; Diseases resistance; Genetic breeding. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000400526 |
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| Gaia,José Maria D; Mota,Milton Guilherme da C; Conceição,Carmen Célia C da; Maia,José Guilherme S. |
| Spiked pepper presents a high yield of essential oil with useful biological properties for human health and agriculture. In order to evaluate the morphoagronomic variability and, afterwards, to select genotypes for plant breeding and cultivation, thirteen clones were propagated. Thus, spiked pepper cuttings were rooted under greenhouse, transferred to a nursery and, afterwards, planted at the experimental area. The evaluations were carried out in two harvest seasons. The evaluated morphoagronomic traits were number of leaves per branch, leaf length, leaf width, diameter of the oldest branch, plant height, number of orthotropic branches, number of plagiotropic branches, internode length, fresh and dry matter, yield of essential oil and dillapiole content.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Piper aduncum L.; Genetic resources; Conservation of germplasm; Morphoagronomic traits; Genetic breeding. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362010000400007 |
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| Pereira,Arione S; Silva,Giovani O; Bertoncini,Odone; Castro,Caroline M; Bortoletto,Antonio C; Hirano,Elcio; Azevedo,Fernanda Q; Lima,Mirtes F; Gomes,Cesar B; Dutra,Leonardo F; Suinaga,Fabio A; Carvalho,Agnaldo DF; Melo,Paulo E; Lopes,; Carlos A; Reisser Junior,Carlos; Pinheiro,Jadir B; Medeiros,Carlos AB; Krolow,Ana CR; Castro,Luis AS; Nazareno,Nilceu RX de. |
| ABSTRACT Camila potato, registered and protected as BRS F63, is a cultivar for the fresh market, with oval tubers of attractive appearance, having shallow eyes, yellow and smooth skin, and light yellow flesh. It presents medium specific gravity (dry matter), which allows greater culinary versatility than ‘Agata’. Cooked tubers have a firm texture and distinctive flavor, with potential for use even in gourmet kitchen, for preparing salads and other similar dishes. The vegetative growth cycle and dormancy are medium. It presents high productive potential, with high percentage of marketable tubers. It is moderately resistant to greening. Concerning physiological disorders in the tubers, ‘BRS F63’ (Camila) is similar to ‘Agata’ and ‘Asterix’ in crops of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Solanum tuberosum; Genetic breeding; PVY; Variety. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000100136 |
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| Gaia,José Maria D; Mota,Milton Guilherme da C; Conceição,Carmen Célia C da; Maia,José Guilherme S. |
| Spiked pepper (Piper aduncum L.) is an aromatic plant species with high essential oil production. It is a species that occurs abundantly in the Brazilian Amazon. Its essential oil has exploitable biological properties in the human health and agriculture. Aiming to study its germplasm toward future use in genetic breeding programs, collecting was carried out (inflorescences, cuttings, leaves and thin branches) in ten provenances from the Brazilian Amazon. Twelve morphoagronomic traits were determined to take the data: number of leaves by branch, length of leaf, width of the leaf, circumference of the older branch, height of the plant, number of orthotropic branches, number of plageotropic branches, length of the internodes, number of spikes per branches,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Piper aduncum L.; Genetic resources; Conservation of germplasm; Morphoagronomic traits; Genetic breeding. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362010000200004 |
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| MARQUES, J. R. F.; LOURENCO JUNIOR, J. de B.; CARVALHO, L. O. D. de M.; NASCIMENTO, C. N. B. do; COSTA, N. A. da; BARBOSA, C.; BATISTA, H. A. M.; RIBEIRO, M. J. P. da S. de S.; RAMOS, A. de A.; PIMENTEL, E. S.. |
| bitstream/item/32060/1/CPATU-BP123.pdf |
| Tipo: Séries anteriores (INFOTECA-E) |
Palavras-chave: Bubalino; Melhoramento genetico; Herdabilidade; Repetibilidade; Buffalo; Genetic breeding; Repeatibility.; Genética.; Heritability.. |
| Ano: 1991 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/379790 |
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| MARQUES, J. R. F.; NASCIMENTO, C. N. B. do; CARVALHO, L. O. D. de M.; LOURENÇO JUNIOR, J. de B.; COSTA, N. A. da; BATISTA, H. A. M.; RIBEIRO, M. J. P. da S. de S.; BARBOSA, C.; RAMOS, A. de A.; PIMENTEL, E. S.. |
| bitstream/item/41643/1/Boletim-Pesquisa-121-CPATU.pdf |
| Tipo: Séries anteriores (INFOTECA-E) |
Palavras-chave: Percentagem; Fonte de variação; Bubalino; Característica; Estatística descritiva; Melhoramento genético; Fat percentage; Genetic breeding; Management; Sources of variation; Buffalo; Characteristic.; Animal; Gordura; Leite; Lactação; Manejo.; Lactation; Milk; Statistics.. |
| Ano: 1991 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/383556 |
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| Lapegue, Sylvie; Bedier, Edouard; Goyard, Emmanuel; Degremont, Lionel; Baud, Jean-pierre; Gerard, Andre; Goulletquer, Philippe; Boudry, Pierre. |
| Two oyster species are currently present along the French coasts : the indigenous European flat oyster (Ostrea edulis), and the Pacific cupped oyster (Crassostrea gigas), that has been introduced from Japan since the beginning of the 70ies. The flat oyster successively suffered from two protozoan diseases during the 60ies and its production decreased from 20 000 tons/year by that time to 1 500 tons/year nowadays. Consequently, the oyster production is principally (99%) based upon the Pacific oyster species with approximately 150 000 tons/year among which 90% are grown from the natural spat. However, the hatchery production of this species is developing and was estimated to 400 to 800 millions spat in 2002. Moreover, strengthened relationships between... |
| Tipo: Text |
Palavras-chave: Growth; Selection; Genetic breeding; Genetic; Ostrea edulis; Crassostrea gigas; Oysters; Croissance; Sélection; Amélioration génétique; Génétique; Ostrea edulis; Crassostrea gigas; Huîtres. |
| Ano: 2004 |
URL: http://archimer.ifremer.fr/doc/2003/acte-3491.pdf |
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| Santos, Wanderley dos; Araújo, Elton Gean; Souza, Danilla Cristina Lemos; Silva, Janaína Rodrigues da; Recco, Camila Regina Silva Baleroni; Moraes, Mário Luiz Teixeira de; Aguiar, Ananda Virginia de. |
| Este trabalho foi realizado com o objetivo de estimar a divergência genética entre progênies de Pinus caribaea var. hondurensis, por meio de caracteres quantitativos. O experimento foi instalado em delineamento látice 10 x 10, triplo, com 100 tratamentos (96 progênies oriundas de polinização aberta de um pomar clonal da espécie e quatro testemunhas). Foram avaliados os caracteres: diâmetro a 1,30 m do solo, altura total de planta, volume cilíndrico, produção de resina total e resina por área de painel. Utilizou-se a distância generalizada de Mahalanobis (D2) e o método de otimização de Tocher. A maior distância genética observada entre as progênies foi de 100% (D2 = 65,51) e a menor foi de 0,09% (D2 = 0,15). O caractere volume foi o que mais contribuiu... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Genetic breeding; Generalized Mahalanobis distance; Tocher optimization Recursos Florestais; Engenharia Florestal; Botânica; Genética Vegetal; Melhoramento genético; Distância generalizada de Mahalanobis; Otimização de Tocher. |
| Ano: 2016 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/920 |
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| Silva,Rodrigo de Souza; Moura,Elisa Ferreira; Farias Neto,João Tomé de; Sampaio,José Edson. |
| Abstract: The objective of this work was to estimate genetic parameters and predict genetic values for the selection of cassava (Manihot esculenta) genotypes in the state of Pará, Brazil. The trial was performed with 56 genotypes in two growing seasons (2012/2013 and 2013/2014), in the municipality of Igarapé-Açu, in the state of Pará, using the augmented blocks design with two control treatments. The evaluated traits were: plant shoot weight (PSW), number of roots per plant (NRP), number of rotten roots per plant (NRRP), fresh root yield (FRY), harvest index (HI), and starch content in the roots (SCR). The restricted maximum likelihood (REML) and best linear unbiased prediction (BLUP) methods were used. There was genetic variability among genotypes for... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Manihot esculenta; Genetic breeding; Genetic variability.. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2016000700834 |
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| Brito,Giovani Greigh de; Suassuna,Nelson Dias; Diola,Valdir; Sofiatti,Valdinei; Ducatti,Carlos; Silva,Evandro Tadeu da; Morello,Camilo de Lelis. |
| The objective of this work was to evaluate the carbon isotope fractionation as a phenomic facility for cotton selection in contrasting environments and to assess its relationship with yield components. The experiments were carried out in a randomized block design, with four replicates, in the municipalities of Santa Helena de Goiás (SHGO) and Montividiu (MONT), in the state of Goiás, Brazil. The analysis of carbon isotope discrimination (Δ) was performed in 15 breeding lines and three cultivars. Subsequently, the root growth kinetic and root system architecture from the selected genotypes were determined. In both locations, Δ analyses were suitable to discriminate cotton genotypes. There was a positive correlation between Δ and seed-cotton yield in SHGO,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gossypium; Carbon isotope discrimination; Genetic breeding; Phenotyping.. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000900673 |
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| Campos,Tatiana de; Cunha,Marcia Oliveira da; Sousa,Adna Cristina Barbosa de; Teixeira,Renata Beltrão; Raposo,Andrea; Sebbenn,Alexandre Magno; Wadt,Lucia Helena de Oliveira. |
| The objective of this work was to estimate the mating system parameters of a andiroba (Carapa guianensis) population using microsatellite markers and the mixed and correlated mating models. Twelve open‑pollinated progeny arrays of 15 individuals were sampled in an area with C. guianensis estimated density of 25.7 trees per hectare. Overall, the species has a mixed reproductive system, with a predominance of outcrossing. The multilocus outcrossing rate (t m = 0.862) was significantly lower than the unity, indicating that self‑pollination occurred. The rate of biparental inbreeding was substantial (t m ‑ t s = 0.134) and significantly different from zero. The correlation of selfing within progenies was high (r s = 0.635), indicating variation in the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Carapa guianensis; Allogamy; Conservation; Genetic breeding; Microsatellite; Population size. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000500006 |
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| Guerra,Edson Perez; Destro,Deonisio; Miranda,Lilian Azevedo; Montalván,Ricardo. |
| This work was conducted at the Universidade Estadual de Londrina (UEL), in Londrina, State of Paraná, Brazil, with the goal to study food-type soybean (Glycine max (L.) Merrill) genotypes performance for use in cultivation or crosses. A total of 104 genotypes were analyzed: 88 were food-type with large seeds, eight were food-type with small seeds, and eight-grain types adapted cultivars. The experimental plan was in randomized complete block design with four replications, and 12 traits of agronomic importance were considered. Genetic diversity was observed in the food-type germplasm. There were some genotypes with high yield adapted to a normal period of sowing. Soybean genetic improvement programs for direct human consumption in Brazil, either by means of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agronomic characters; Genetic breeding; Germplasm; Glycine max. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X1999000400008 |
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| Registros recuperados: 36 | |
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