Euphytica

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Dissecting genetic loci of yield, yield components, and protein content in bread wheat nested association mapping population
Euphytica - Tập 219 - Trang 1-15 - 2023
Guillermo Donaire, Leonardo S. Vanzetti, María B. Conde, Carlos Bainotti, Leticia Mir, Lucas Borrás, Oswaldo Chicaiza, Marcelo Helguera
In the last century wheat breeding programs have shown consistent yield increases, often associated with lower grain protein concentrations (GPC). A better understanding of the genetic basis of grain yield and grain protein content can help break the grain yield—GPC negative correlation. We developed a nested association mapping population composing a set of spring wheat genotypes for genetic diss...... hiện toàn bộ
Pod and seed development and phenotype of the M1 plants after pollination and fertilization with irradiated pollen in cacao (Theobroma cacao L.)
Euphytica - Tập 75 - Trang 19-25 - 1994
M. Falque
In order to try to induce parthenogenesis, Theobroma cacao L. pollen of the clone K5 was gamma-irradiated at 0, 50, 70 and 90 Gy and used to pollinate flowers of the clones IMC67 and T85/799. Fruit survival rate 30 days after pollination decreased as pollen irradiation dose increased. LD50 was about 70 Gy for IMC67 and 75 Gy for T85/799. Pods obtained from irradiated pollen were smaller, ripened s...... hiện toàn bộ
Assessing host specialization of Erysiphe pisi on garden pea germplasm through genotypic and phenotypic characterization
Euphytica - Tập 212 - Trang 1-14 - 2015
Malathi Bheri, Gemmalamadugu Fareeda, Ragiba Makandar
Erysiphe pisi, Erysiphe baeumleri and Erysiphe trifolii cause powdery mildew disease in garden pea. So far, three genes er1, er2 and Er3 imparting resistance against E. pisi have been reported in pea. The E. pisi isolate used in this study, Ep01 (GenBank Accession No. KM096758) was identified using the internal transcribed spacer sequence of the ribosomal DNA region. Testi...... hiện toàn bộ
Development of a new initial breeding material in sunflower (Helianthus annuus L.) using direct organogenesis and somatic embryogenesis
Euphytica - Tập 68 - Trang 181-185 - 1993
J. Encheva, P. Ivanov, F. Tsvetkova, V. Nikolova
Immature zygotic embryos from three inbred lines of sunflower (Helianthus annuus L.) were used as donor material for the induction of direct organogenesis and somatic embryogenesis. The scope of the spontaneously appearing somaclonal variation has been studied among the regenerants produced according to the method of Freyssinet & Freyssinet (1988), and was compared to the results obtained after ga...... hiện toàn bộ
Genetic relationships among resynthesized, semi-resynthesized and natural Brassica napus L. genotypes
Euphytica - Tập 213 - Trang 1-12 - 2017
Katarzyna Sosnowska, Teresa Cegielska-Taras, Alina Liersch, Wojciech M. Karłowski, Jan Bocianowski, Laurencja Szała, Katarzyna Mikołajczyk, Wiesława Popławska
The allopolyploidization event that created cultivated oilseed rape Brassica napus L, followed by intense breeding, reduced its genetic diversity. Resynthesized (RS) B. napus L. obtained by interspecific hybridization between genotypes of B. rapa L. and B. oleracea L. can be a valuable source for broadening genetic diversity in cultivated oilseed rape. In this study, we determined the extent of DN...... hiện toàn bộ
Phenotypic, genotypic and environmental correlation in tomato (Lycopersicon esculentum)
Euphytica - Tập 31 - Trang 151-159 - 1982
J. Cuartero, J. I. Cubero
Twelve inbred lines of tomato and their 132 hybrids (reciprocals were considered separately) were studied in four environments: glasshouse and open air, with and without plastic cover. Nine characters were recorded and the phenotypic and environmental correlations between them were obtained within environments and for the complete set of data. Characters showing the highest phenotypic correlation ...... hiện toàn bộ
On the determination of harshness in plants of cocksfoot (Dactylis glomerata)
Euphytica - Tập 4 - Trang 31-33 - 1955
Metabolism, seedling growth and nucleolar activity in germinating diploid wheat Triticum monococcum ssp. monococcum cv. Einkorn
Euphytica - Tập 124 - Trang 47-54 - 2002
Eben von Well, Annabel Fossey
Seed germination, seedling growth, mitotic and nucleolar activity were investigated as indicators of metabolic activity in a diploid wheat, Triticum monococcum ssp. monococcum cv. Einkorn. Two developmental phases were identified, an initial lag phase during which reactivation of NOR's and the initiation of mitotic activity (10 h) took place prior to the appearance of the primary root (16 h). Domi...... hiện toàn bộ
Application of a dendrogram seriation algorithm to extract pattern from plant breeding data
Euphytica - Tập 213 - Trang 1-11 - 2017
Vivi Noviati Arief, I. H. DeLacy, K. E. Basford, M. J. Dieters
A dendrogram is often used to display the results from hierarchical clustering; however, the order of objects in a standard dendrogram is arbitrary and so similarity cannot be readily interpreted. An optimized dendrogram, a dendrogram produced by re-ordering the objects using a seriation method, has a customized ordering that reflects the similarity among objects with most similar objects located ...... hiện toàn bộ
Pattern of variation for seed size traits and molecular markers in Italian germplasm of Phaseolus coccineus L.
Euphytica - Tập 157 - Trang 69-82 - 2007
Andrea Acampora, Mario Ciaffi, Ciro De Pace, Anna Rita Paolacci, Oronzo A. Tanzarella
Variation in Italian germplasm of Phaseolus coccineus L. was assessed for seed traits and molecular markers. A total of 130 seeds and seedlings, five for each of 21 Italian landraces, an Italian commercial cultivar and four Mesoamerican landraces of P. coccineus, were analysed using seven selected PCR markers: three RAPDs, two ISSRs and two ETs. Seed weight of the Mesoamerican landraces was ≤1 g, ...... hiện toàn bộ
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