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You searched for: Journal name Euphytica Remove constraint Journal name: Euphytica Publication year rev 7992-2008 Remove constraint Publication year rev: 7992-2008 Source 2008 v.162 no.3 Remove constraint Source: 2008 v.162 no.3
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1. Chromosome location of a gene conferring resistance to Pyrenophora tritici-repentis in Ethiopian wheat cultivars

Author:
Tadesse, W.; Hsam, S. L. K.; Wenzel, G.; Zeller, F. J.
Source:
Euphytica 2008 v.162 no.3 pp. 423-430
ISSN:
0014-2336
Subject:
cultivars; Pyrenophora tritici-repentis; durum wheat; Triticum aestivum; Triticum turgidum subsp. durum; disease resistance; recessive genes; inheritance (genetics); Ethiopia
Abstract:
... In this study, 118 common wheat (Triticum aestivum, 2n = 2x = 42, AABBDD) and durum wheat (Triticum durum, 2n = 4x = 28, AABB) genotypes of Ethiopian origin were evaluated for reaction to tan spot using two Pyrenophora tritici-repentis (Ptr) isolates. Among the commercial Ethiopian bread wheat cultivars HAR604, HAR2562, and Dashen were resistant to both the ASC1a and DW-16 isolates. Inheritance an ...
DOI:
10.1007/s10681-007-9593-1

2. Combining ability, maternal, and reciprocal effects of elite early-maturing maize population hybrids

Author:
Jumbo, M. B.; Carena, M. J.
Source:
Euphytica 2008 v.162 no.3 pp. 325-333
ISSN:
0014-2336
Subject:
Zea mays; corn; hybrids; germplasm; crossing; maternal effect; variety trials; general combining ability; specific combining ability; grain yield; yield components; genotype-environment interaction; crop quality; early development; Midwestern United States
Abstract:
... Choosing germplasm based on elite and diverse genetic sources is essential for the genetic improvement of maize (Zea mays L.) hybrids. The objectives of this research were to evaluate the agronomic and economic potential of maize population and single-cross hybrids and whether significant maternal (ME) and reciprocal effects (RE) reside in elite population hybrids for seed production purposes. Sev ...
DOI:
10.1007/s10681-007-9618-9

3. Gene action controlling grain yield and secondary traits in southern African maize hybrids under drought and non-drought environments

Author:
Derera, John; Tongoona, Pangirayi; Vivek, Bindiganavile Sampath; Laing, Mark D.
Source:
Euphytica 2008 v.162 no.3 pp. 411-422
ISSN:
0014-2336
Subject:
Zea mays; corn; hybrids; grain yield; drought; water stress; genetic variance; general combining ability; males; females; additive gene effects; specific combining ability; genotype-environment interaction; variety trials; yield components; phenology; Zimbabwe
Abstract:
... Breeding maize hybrids for drought tolerance would significantly reduce yield loss due to drought in southern Africa. Mode of gene action controlling yield and secondary traits was investigated by mating 27 inbred lines, in sets according to a North Carolina design II scheme. The resultant 72 experimental and eight commercial hybrids were evaluated in 8 x 10 α-lattice design with two replications, ...
DOI:
10.1007/s10681-007-9582-4

4. Isolation of two storage protein promoters from Hordeum chilense and characterization of their expression patterns in transgenic wheat

Author:
Pistón, Fernando; León, Elena; Lazzeri, Paul A.; Barro, Francisco
Source:
Euphytica 2008 v.162 no.3 pp. 371-379
ISSN:
0014-2336
Subject:
Triticum aestivum; wheat; transgenic plants; gene transfer; gene expression; Hordeum chilense; promoter regions; storage proteins; hordein; reporter genes; beta-glucuronidase; seeds; messenger RNA
Abstract:
... Many plant genetic engineering applications require spatial expression of genes which in turn depends upon the availability of tissue and organ specific promoters. Wild plant species related to cultivated crops are an important source of genetic variability, not only for trait genes but also for regulatory sequences such as promoters. In the present work two new storage protein promoters cloned fr ...
DOI:
10.1007/s10681-007-9530-3

5. Mapping quantitative trait loci for oil, starch, and protein concentrations in grain with high-oil maize by SSR markers

Author:
Zhang, J.; Lu, X. Q.; Song, X. F.; Yan, J. B.; Song, T. M.; Dai, J. R.; Rocheford, T.; Li, J. S.
Source:
Euphytica 2008 v.162 no.3 pp. 335-344
ISSN:
0014-2336
Subject:
Zea mays; corn; quantitative trait loci; crop quality; corn oil; protein content; starch; carbohydrate content; germplasm; chromosome mapping; microsatellite repeats; genetic markers; phenotypic variation; China
Abstract:
... The objective of this investigation was to map QTL controlling oil, protein, and starch concentrations in maize grain and to evaluate their genetic effects. The mapping population included 298 F₂:₃ family lines containing Beijing high-oil (BHO) maize germplasm. F₂ individuals were genotyped with 183 SSR markers to construct a genetic linkage map, which spanned 1,605.7 cM, with an average interval ...
DOI:
10.1007/s10681-007-9500-9

6. Morphological and cytogenetic studies on the hybrid between bread wheat and Psathyrostachys huashanica Keng ex Kuo

Author:
Kang, Hou-Yang; Zhang, Hai-Qin; Fan, Xing; Zhou, Yong-Hong
Source:
Euphytica 2008 v.162 no.3 pp. 441-448
ISSN:
0014-2336
Subject:
random amplified polymorphic DNA technique; hybrids; intergeneric hybridization; wheat; chromosome pairing; Psathyrostachys huashanica; Triticum aestivum; genetic markers
Abstract:
... Psathyrostachys huashanica Keng ex Kuo (2n = 2x = 14, NsNs), a source of wheat stripe rust, take-all fungus, and powdery mildew resistance with tolerance to salinity and drought, has been successfully hybridized as the pollen parent to bread wheat without using immature embryo rescuing culture for the first time. All of the CSph2b x P. huashanica hybrid seeds germinate well. Backcross derivatives ...
DOI:
10.1007/s10681-007-9608-y

7. Multi-attribute responses of maize inbred lines across managed environments

Author:
D'Andrea, Karina E.; Otegui, María E.; de la Vega, Abelardo J.
Source:
Euphytica 2008 v.162 no.3 pp. 381-394
ISSN:
0014-2336
Subject:
temporal variation; plant growth; Zea mays; plant development; nutrition-genotype interaction; nitrogen; nutrient availability; phenology; corn; environmental factors; genotype-environment interaction; grain yield; inbred lines; harvest index; genotype; Argentina
Abstract:
... In maize (Zea mays L.) breeding programs, selection among and within segregating progenies is based mainly on indirect selection criteria. A better understanding of the environment influence on physiological attributes of maize inbred lines is important to the identification and selection of superior inbred lines as well as to successful hybrid seed production. In this study, the size and form of ...
DOI:
10.1007/s10681-007-9567-3

8. Relationship between hybrid performance and AFLP based genetic distance in highland maize inbred lines

Author:
Legesse, B. W.; Myburg, A. A.; Pixley, K. V.; Twumasi-Afriyie, S.; Botha, A. M.
Source:
Euphytica 2008 v.162 no.3 pp. 313-323
ISSN:
0014-2336
Subject:
Zea mays; corn; inbred lines; hybrids; genetic distance; genetic markers; amplified fragment length polymorphism; varieties; grain yield; yield components; heterosis; plant development; plant growth; height; Ethiopia
Abstract:
... The objectives of this study were to determine the crossing performance of highland maize inbred lines for grain yield, days to silk and plant height; estimate genetic distance (GD) among the inbred lines and in association with tester parents, and to investigate the relationship of GD with hybrid performance and midparent heterosis (MPH). A total of 26 inbred lines were crossed with six (populati ...
DOI:
10.1007/s10681-007-9503-6

9. The genetic relationship between popping expansion volume and two yield components in popcorn using unconditional and conditional QTL analysis

Author:
Li, Y. L.; Dong, Y. B.; Cui, D. Q.; Wang, Y. Z.; Liu, Y. Y.; Wei, M. G.; Li, X. H.
Source:
Euphytica 2008 v.162 no.3 pp. 345-351
ISSN:
0014-2336
Subject:
Zea mays; popcorn; popping quality; quantitative trait loci; alleles; yield components; grain yield; crossing; inbred lines; genetic relationships
Abstract:
... Popping expansion volume (PEV) is the most important quality trait in popcorn, while its germplasm is inferior to normal dent/flint corn in yield. In this study, 259 F₂:₃ families, developed from the cross between a dent corn inbred Dan232 and a popcorn inbred N04, were evaluated for their PEV, grain weight per plant (GWP) and 100-grain weight (100 GW) in two environments. The genetic relationship ...
DOI:
10.1007/s10681-007-9513-4

10. Combining ability amongst CIMMYT's early maturing maize (Zea mays L.) germplasm under stress and non-stress conditions and identification of testers

Author:
Pswarayi, Alexander; Vivek, Bindiganavile S.
Source:
Euphytica 2008 v.162 no.3 pp. 353-362
ISSN:
0014-2336
Subject:
Zea mays; corn; germplasm; early development; hybrids; inbred lines; testcrosses; general combining ability; specific combining ability; heterosis; genotype-environment interaction; nitrogen; nutrient deficiencies; drought; water stress; environmental factors; Zimbabwe
Abstract:
... CIMMYT (International Maize and Wheat Research Institute) Zimbabwe's early maturing maize program, which aims to supply seed to approximately 4 million hectares of maize area in eastern and southern Africa, lacks adequate information on heterotic relationships among early maturing germplasm and has no early maturing testers for hybrid development. Open-pollinated varieties (OPVs) and hybrids are t ...
DOI:
10.1007/s10681-007-9525-0

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. 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

13. Combining ability analysis of Fusarium head blight resistance in western European wheat lines

Author:
Zwart, Rebecca S.; Muylle, Hilde; Van Huylenbroeck, Johan; Van Bockstaele, Erik; Roldán-Ruiz, Isabel
Source:
Euphytica 2008 v.162 no.3 pp. 449-456
ISSN:
0014-2336
Subject:
Fusarium graminearum; wheat; general combining ability; Triticum aestivum; disease resistance; scab diseases; inheritance (genetics); specific combining ability; Western European region
Abstract:
... The inheritance of Fusarium head blight (FHB) resistance was investigated in eight western European wheat lines using a half-diallel of F₁ crosses. The parents and F₁ crosses were point-inoculated, with a highly aggressive isolate of Fusarium graminearum, in replicated field and glasshouse trials. Type II resistance was assessed by measuring the % FHB spread and % wilted tips. There was a good cor ...
DOI:
10.1007/s10681-007-9611-3

14. Mapping of the leaf rust resistance gene Lr38 on wheat chromosome arm 6DL using SSR markers

Author:
Mebrate, S. A.; Oerke, E. C.; Dehne, H. W.; Pillen, K.
Source:
Euphytica 2008 v.162 no.3 pp. 457-466
ISSN:
0014-2336
Subject:
Triticum aestivum; wheat; genes; disease resistance; rust diseases; Puccinia recondita; chromosome mapping; microsatellite repeats; genetic markers
Abstract:
... Leaf rust caused by the fungus Puccinia triticina is one of the most important diseases of wheat (Triticum aestivum) worldwide. The use of resistant wheat cultivars is considered the most economical and environment-friendly approach in controlling the disease. The Lr38 gene, introgressed from Agropyron intermedium, confers a stable seedling and adult plant resistance against multiple isolates test ...
DOI:
10.1007/s10681-007-9615-z

15. Relationships between line per se and testcross performance for agronomic traits in two broad-based populations of maize

Author:
Bekavac, Goran; Purar, Božana; Jocković, Đorđe
Source:
Euphytica 2008 v.162 no.3 pp. 363-369
ISSN:
0014-2336
Subject:
germplasm; Zea mays; testcrosses; genetic correlation; corn; agronomic traits; water content; grain yield; yield components; genetic variation; heritability
Abstract:
... Degree of the association between line per se performance (LP) and testcross performance (TP) is important in breeding programs and simultaneous improvement of commercial hybrids and their parental lines. This experiment was designed to study genetic variability and genetic correlation for several agronomic traits in two maize (Zea mays L.) broad-based populations (NS12-SG and NS14-SG). Independen ...
DOI:
10.1007/s10681-007-9527-y