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You searched for: Journal name Euphytica Remove constraint Journal name: Euphytica Subject term Brazil Remove constraint Subject term: Brazil
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1. Assessment under short-day conditions of genetic materials derived from three potato breeding strategies: 4x-4x (intra-Tuberosum), 4x-2x (FDR 2n-pollen), and 4x-4x (diplandrous tetraploid)

Author:
Buso, J.A.; Aragao, F.A.S.; Reifschneider, F.J.B.; Boiteux, L.S.; Peloquin, S.J.
Source:
Euphytica 2002 v.126 no.3 pp. 437-446
ISSN:
0014-2336
Subject:
crop quality; diploidy; tetraploidy; agronomic traits; crop yield; plant genetic resources; photoperiod; high-yielding varieties; pollen; selection criteria; Solanum tuberosum subsp. andigenum; Brazil

2. Genetic characterization of banana cultivars (Musa spp.) from Brazil using microsatellite markers

Author:
Creste, S.; Tulmann Neto, A.; Silva, S. de O.; Figueira, A.
Source:
Euphytica 2003 v.132 no.3 pp. 259-268
ISSN:
0014-2336
Subject:
cultivars; microsatellite repeats; hybrids; alleles; loci; DNA primers; triploidy; polymerase chain reaction; tetraploidy; Musa; heterozygosity; cultivar identification; bananas; genetic markers; Brazil

3. Mating system in an experimental garden composed of cassava (Manihot esculenta Crantz) ethnovarieties

Author:
Silva, R.M. da; Bandel, G.; Martins, P.S.
Source:
Euphytica 2003 v.134 no.2 pp. 127-135
ISSN:
0014-2336
Subject:
outbreeding; landraces; cassava; genetic markers; gene frequency; genetic recombination; gene segregation; allozymes; Manihot esculenta; self-pollination; Brazil
DOI:
10.1023/B:EUPH.0000003644.60126.4a

4. Relationship of intra- and interpopulation tropical maize single cross hybrid performance and genetic distances computed from AFLP and SSR markers

Author:
Barbosa, A.M.M.; Geraldi, I.O.; Benchimol, L.L.; Garcia, A.A.F.; Souza, C.L. Jr.; Souza, A.P.
Source:
Euphytica 2003 v.130 no.1 pp. 87-99
ISSN:
0014-2336
Subject:
crossing; Zea mays; corn; inbred lines; genetic markers; genetic distance; heterosis; genetic variation; crop yield; prediction; amplified fragment length polymorphism; microsatellite repeats; cluster analysis; population; Brazil

5. Mapping QTLs for kernel oil content in a tropical maize population

Author:
Mangolin, C.A.; Souza, C.L. de Jr.; Garcia, A.A.F.; Garcia, A.F.; Sibov, S.T.; Souza, A.P. de
Source:
Euphytica 2004 v.137 no.2 pp. 251-259
ISSN:
0014-2336
Subject:
Zea mays; corn; quantitative trait loci; corn oil; lipid content; chromosome mapping; microsatellite repeats; genetic markers; inbred lines; linkage groups; additive gene effects; dominance (genetics); germplasm; Brazil
DOI:
10.1023/B:EUPH.0000041588.95689.47

6. Heritabilities and Minimum Gene Number Estimates of Carrot Carotenoids

Author:
Carlos Antonio Fernandes Santos; Philipp W. Simon
Source:
Euphytica 2006 v.151 no.1 pp. 79-86
ISSN:
0014-2336
Subject:
alpha-carotene; beta-carotene; carrots; crossing; genes; heritability; lycopene; parents; plant breeding; progeny; quantitative trait loci; roots; Brazil
Abstract:
... Broad sense heritabilities and gene numbers were estimated for the production of total carotenoids and the major component carotenoids of carrot storage roots: phytoene, ζ-carotene, β-carotene, α-carotene, and lycopene. Two crosses with different backgrounds were evaluated: orange B493 × white QAL and orange Brasilia × dark orange HCM. The HCM (high carotene mass selection), Brasilia and B493 pare ...
DOI:
10.1007/s10681-006-9130-7

7. Gene flow in common bean (Phaseolus vulgaris L.)

Author:
Ferreira, J.L.; Carneiro, J.E. de S.; Teixeira, A.L.; Lanes, F.F. de; Cecon, P.R.; Borém, A.
Source:
Euphytica 2007 v.153 no.1-2 pp. 165-170
ISSN:
0014-2336
Subject:
Phaseolus vulgaris; beans; cultivars; gene flow; flowers; color; outcrossing; hybrids; hybridization; cross pollination; Brazil
DOI:
10.1007/s10681-006-9251-z

8. Genetic control of Asian rust in soybean

Author:
Ribeiro, Aliny Simony; Moreira, José Ubirajara Vieira; Pierozzi, Pedro Henrique Braga; Rachid, Breno Francovig; de Toledo, José Francisco Ferraz; Arias, Carlos Alberto Arrabal; Soares, Rafael Moreira; Godoy, Claudia Vieira
Source:
Euphytica 2007 v.157 no.1-2 pp. 15-25
ISSN:
0014-2336
Subject:
Glycine max; soybeans; Phakopsora pachyrhizi; plant pathogenic fungi; rust diseases; disease resistance; genetic resistance; cultivars; hybridization; field experimentation; disease severity; genotype; inheritance (genetics); plant development; artificial selection; additive gene effects; genes; heritability; Brazil
Abstract:
... The objective of this study was to investigate the genetic mechanisms of soybean resistance to Asian rust (Phakopsora pachyrhizi Syd. & P. Syd). F2 and F3 generations from 15 diallel crosses involving six soybean cultivars, FT-2, EMBRAPA 48, BRS 154, BRS 184, BRS 214, BRS 231, were used to analyze the genetic control of Asian rust resistance in the soybean parents tested. Genetic models were fitte ...
DOI:
10.1007/s10681-007-9404-8

9. Characterization of drought stress environments for upland rice and maize in central Brazil

Author:
Heinemann, Alexandre Bryan; Dingkuhn, Michael; Luquet, Delphine; Combres, Jean Claude; Chapman, Scott
Source:
Euphytica 2008 v.162 no.3 pp. 395-410
ISSN:
0014-2336
Subject:
Zea mays; corn; Oryza sativa; rice; drought; water stress; crop models; grain yield; seasonal variation; geographical variation; flowering; filling period; double cropping; plant breeding; genotype-environment interaction; Brazil
Abstract:
... Drought stresses arise when the combination of rainfall and soil water supply are insufficient to meet the transpiration needs of the crop. In the Cerrado region of Goiás state, Brazil, summer rainfall is typically greater than 1000 mm. However, drought stress can occur during rain-free periods of only 1-3 weeks, since roots are frequently restricted to shallow depths due to Al-induced acidity in ...
DOI:
10.1007/s10681-007-9579-z

10. Genetic diversity in red clover (Trifolium pratense L.) revealed by morphological and microsatellite (SSR) markers

Author:
Dias, Paula Menna Barreto; Julier, Bernadette; Sampoux, Jean-Paul; Barre, Philippe; Dall'Agnol, Miguel
Source:
Euphytica 2008 v.160 no.2 pp. 189-205
ISSN:
0014-2336
Subject:
Trifolium pratense; genetic variation; genetic markers; microsatellite repeats; germplasm; plant genetic resources; heterozygosity; loci; alleles; plant morphology; cluster analysis; Brazil; United States
Abstract:
... The NPGS-USDA core collection with 85 accessions of red clover, an important forage species, is little described. The goal of the present study was to evaluate the diversity of a set of accessions from the core collection at the morphological and molecular level in order to extract some valuable accessions for Brazilian red clover breeding programs. Twenty-one morphological traits, collected in fi ...
DOI:
10.1007/s10681-007-9534-z

11. Genetic variability and heterotic groups of Brazilian popcorn populations

Author:
Miranda, Glauco Vieira; de Souza, Leandro Vagno; Galvão, João Carlos Cardoso; Guimarães, Lauro José Moreira; de Melo, Aurélio Vaz; dos Santos, Izabel Cristina
Source:
Euphytica 2008 v.162 no.3 pp. 431-440
ISSN:
0014-2336
Subject:
cultivars; Zea mays; heterosis; popcorn; plant breeding; popping quality; grain yield; yield components; additive gene effects; Brazil
Abstract:
... The development of successful advanced lines and cultivars in maize is dependent on parental selection and assignment to defined heterotic groups. So, the objectives of this study were to evaluate genetic variability and identify heterotic groups among Brazilian popcorn varieties. Thus, diallel crosses of advanced generations of the popcorn hybrids, IAC 112 and Zélia, and of three open-pollinated ...
DOI:
10.1007/s10681-007-9598-9

12. Genetic mapping for resistance to gray leaf spot in maize

Author:
Juliatti, Fernando Cesar; Pedrosa, Michelle Gonçalves; Silva, Heyder Diniz; da Silva, Junia Vianna Corrêa
Source:
Euphytica 2009 v.169 no.2 pp. 227-238
ISSN:
0014-2336
Subject:
Zea mays; corn; Cercospora zeae-maydis; plant pathogenic fungi; fungal diseases of plants; disease resistance; genetic resistance; chromosome mapping; genetic markers; quantitative trait loci; genomics; genome; field experimentation; linkage (genetics); Brazil
Abstract:
... The molecular marker technology has been used on mapping of quantitative trait loci (QTLs) associated with plant resistance. The objectives of this research were to estimate genetic parameters and to map genomic regions involved in the resistance to gray leaf spot in maize. Ninety F₃ families from the BS03 (susceptible) and BS04 (resistant) cross were used. Field trials were performed using a 10 x ...
DOI:
10.1007/s10681-009-9943-2

13. Passion flower hybrids and their use in the ornamental plant market: perspectives for sustainable development with emphasis on Brazil

Author:
Abreu, Priscilla Patrocínio; Souza, Margarete Magalhães; Santos, Eileen Azevedo; Pires, Marcel Viana; Pires, Mônica Moura; de Almeida, Alex-Alan Furtado
Source:
Euphytica 2009 v.166 no.3 pp. 307-315
ISSN:
0014-2336
Subject:
Passiflora; ornamental plants; plant breeding; hybrids; interspecific hybridization; plant genetic resources; floriculture; ornamental value; wild relatives; commercialization; sustainable agriculture; Brazil
Abstract:
... The Passiflora L. (Passifloraceae) genus consists of about 500 species widely distributed throughout tropical and subtropical regions, commonly known as the passion flower. The passion flowers are considered ornamental plants because of the exotic beauty of their flowers and variant foliage. Since their introduction to the Old World, around 1625, seventeenth century, they have been used to decorat ...
DOI:
10.1007/s10681-008-9835-x

14. Correlations between the stability and adaptability statistics of popcorn cultivars

Author:
Scapim, Carlos Alberto; Pacheco, Cleso Antônio Patto; do Amaral Júnior, Antônio Teixeira; Vieira, Rafael Augusto; Pinto, Ronald José Barth; Conrado, Thiago Vincenzi
Source:
Euphytica 2010 v.174 no.2 pp. 209-218
ISSN:
0014-2336
Subject:
Zea mays; popcorn; grain crops; plant adaptation; genetic correlation; cultivars; plant breeding; artificial selection; grain yield; crop quality; cooking quality; genotype; genetic variation; Brazil
Abstract:
... In plant breeding, correlations between the statistics of stability and adaptability of popcorn cultivars are not yet well understood. Therefore, the objectives of the present experiment was to investigate the correlations between [graphic removed] and [graphic removed] from Eberhart and Russell, ωi from Wricke, [graphic removed] , [graphic removed] and [graphic removed] from Huehn, Pi from Lin an ...
DOI:
10.1007/s10681-010-0118-y

15. Development and characterization of common black bean lines resistant to anthracnose, rust and angular leaf spot in Brazil

Author:
Costa, M. R.; Tanure, J. P. M.; Arruda, K. M. A.; Carneiro, J. E. S.; Moreira, M. A.; Barros, E. G.
Source:
Euphytica 2010 v.176 no.2 pp. 149-156
ISSN:
0014-2336
Subject:
Phaseolus vulgaris; Colletotrichum lindemuthianum; crop yield; plant pathogenic fungi; genes; black beans; artificial selection; genetic markers; backcrossing; marker-assisted selection; genetic resistance; disease resistance; anthracnose; rust diseases; plant breeding; Pseudocercospora; Uromyces appendiculatus; linkage (genetics); homozygosity; Brazil
Abstract:
... Anthracnose, rust and angular leaf spot caused by Colletotrichum lindemuthianum, Uromyces appendiculatus and Pseudocercospora griseola, respectively, are economically important diseases affecting the common bean production in Brazil. The BIOAGRO/UFV bean breeding program developed Rudá-R, a dry bean line with ‘carioca' seed type, containing the following disease resistance genes: Co-4, Co-6 and Co ...
DOI:
10.1007/s10681-010-0196-x

16. Exploiting genotypic variability from low-altitude Brazilian Savannah-adapted Chenopodium quinoa

Author:
Spehar, Carlos Roberto; da Silva Rocha, Juliana Evangelista
Source:
Euphytica 2010 v.175 no.1 pp. 13-21
ISSN:
0014-2336
Subject:
Chenopodium quinoa; genetic variation; altitude; plant adaptation; savannas; saponins; chemical constituents of plants; sowing date; field experimentation; harvest index; grain yield; dry matter accumulation; weight; experimental design; genotype; Brazil
Abstract:
... Saponin-free quinoa genotypes were evaluated in summer and autumn-winter sowings, for phenotypic traits and yield stability. They were obtained by single plant-progeny selection from hybrids, as part of the breeding efforts in adapting the crop to the Brazilian Savannah environments. The soils (Ferralsols) were limed and fertilized prior to cultivation. The experiment was sown in two dates: 20th D ...
DOI:
10.1007/s10681-010-0154-7

17. Genetic gain in agronomic traits of common bean in the region of Planalto Catarinense

Author:
Bertoldo, Juliano Garcia; Barili, Leiri Daiane; do Vale, Naine Martins; Coimbra, Jefferson Luís Meirelles; Stähelin, Diego; Guidolin, Altamir Frederico
Source:
Euphytica 2010 v.171 no.3 pp. 381-388
ISSN:
0014-2336
Subject:
beans; germplasm evaluation; landraces; genetic improvement; Phaseolus vulgaris; agronomic traits; genetic variation; heritability; selection criteria; Brazil
Abstract:
... The purpose of this study was to predict the genetic progress in the selection for common bean agronomic traits based on the trait expression, using two indices of adaptive selection. The existence of correlation between various traits in common bean breeding is a major restriction, but some tools that allow breeders to predict the expected gains could optimize results. The following traits were e ...
DOI:
10.1007/s10681-009-0043-0

18. Genetic potential of a maize population from Southern Brazil for the modified convergent-divergent selection scheme

Author:
Kist, Volmir; Bernardi Ogliari, Juliana; de Miranda Filho, José Branco; Alves, Antonio Carlos
Source:
Euphytica 2010 v.176 no.1 pp. 25-36
ISSN:
0014-2336
Subject:
Zea mays; corn; artificial selection; genetic variation; grain yield; height; selection criteria; genetic improvement; field experimentation; plant breeding; Brazil
Abstract:
... Maize (Zea mays L.) is a very important cereal to world-wide economy which is also true for Brazil, particularly in the South region. Grain yield and plant height have been chosen as important criteria by breeders and farmers from Santa Catarina State (SC), Brazil. The objective of this work was to estimate genetic-statistic parameters associated with genetic gain for grain yield and plant height, ...
DOI:
10.1007/s10681-010-0207-y

19. Genetic variability among sugarcane genotypes based on polymorphisms in sucrose metabolism and drought tolerance genes

Author:
Creste, Silvana; Accoroni, Klaus A. G.; Pinto, Luciana R.; Vencovsky, Roland; Gimenes, Marcos A.; Xavier, Mauro A.; Landell, Marcos G. A.
Source:
Euphytica 2010 v.172 no.3 pp. 435-446
ISSN:
0014-2336
Subject:
interspecific variation; carbohydrate metabolism; cultivars; sucrose; Saccharum; drought tolerance; genetic distance; genotype; sugarcane; genetic variation; genetic polymorphism; genetic markers; Brazil
Abstract:
... Target region amplification polymorphism (TRAP) markers were used to estimate the genetic similarity (GS) among 53 sugarcane varieties and five species of the Saccharum complex. Seven fixed primers designed from candidate genes involved in sucrose metabolism and three from those involved in drought response metabolism were used in combination with three arbitrary primers. The clustering of the gen ...
DOI:
10.1007/s10681-009-0078-2

20. Novel sources of witches' broom resistance (causal agent Moniliophthora perniciosa) from natural populations of Theobroma cacao from the Brazilian Amazon

Author:
de Albuquerque, Paulo S. B.; Silva, Stela D. V. M.; Luz, Edna D. M. N.; Pires, José L.; Vieira, Afrânio M. C.; Demétrio, Clarice G. B.; Pascholatti, Sérgio F.; Figueira, Antonio
Source:
Euphytica 2010 v.172 no.1 pp. 125-138
ISSN:
0014-2336
Subject:
Theobroma cacao; Moniliophthora perniciosa; plant pathogenic fungi; fungal diseases of plants; witches' broom; disease resistance; wild plants; plant genetic resources; cultivars; genetic resistance; field experimentation; greenhouse experimentation; disease incidence; germplasm screening; genetic variation; population genetics; Brazil; Amazonia
Abstract:
... Witches' broom is a severe disease of Theobroma cacao L. (cacao), caused by the basidiomycete Moniliophthora perniciosa. The use of resistant cultivars is the ultimate method of control, but there are limited sources of resistance. Further, resistance from the most widely used source (‘Scavina 6') has been overcome after a few years of deployment. New sources of resistance have been intensively se ...
DOI:
10.1007/s10681-009-0068-4