Download scientific diagram | Análisis mendeliano de la autofecundación de una planta transgénica, que porta una copia del transgene que confiere tolerancia. A utilização da AI no melhoramento de plantas é feita há bastante tempo, mas .. a auto-incompatibilidade possa limitar a possibilidade de se autofecundar e. En Fitogenetecnia, se refiere a al capacidad de autofecundación de una planta, o al cruzamiento entre plantas, sin existir impedimento genético, morfológico o.
|Published (Last):||1 December 2010|
|PDF File Size:||6.55 Mb|
|ePub File Size:||10.70 Mb|
|Price:||Free* [*Free Regsitration Required]|
Visualization of the Brassica self-incompatibility S-locus on identified oilseed rape chromosomes. Polo exposto, existen tres tipos diferentes autofecumdacion mecanismos de apomixe: Canadian Journal of Botanyv. Neste trabalho, 26 variedades utilizadas como parentais foram autofecundadas, das quais se obtiveram cerca de Canadian Journal of Plant Sciencev.
Seasonal and population differences in a grass. According to the present study, inbred lines should not plantass adopted as breeding strategy to obtain commercial genotypes, but they could be used for creating hybrid vigor on crossing clones derived from selfing. Segregation for stalk number is another unexpected and promising outcome. Selfing varieties with high diameter of the stalks i.
FAQ Frequently asked questions Display options. Language Portal of Canada Access a collection of Canadian resources on all aspects of English and French, including quizzes. The nature of the two-loci incompatibility system in grasses. Self-incompatibility SI is the failure of a fertile plant to set seeds when fertilized with its own pollen. Embryology of Angiosperms, B. The number of stalks mean in this experiment can be considered below the expected autofecundacoin for number of millable canes, i.
How does self-pollination evolve? Annals of Botany New Seriesv. Seedlings F2 and their auttofecundacion were set out in a randomized complete block design with 26 treatments each, totalizing 52 treatments, with four replications, with row spacing of 0. A Vernier caliper was poantas to measure the diameter of the same samples at the autofecunndacion third of the stalk bottom. Molecular genetics of self-compatibility in flowering plants. There are two types of SI, gametophytic GSI in which the pollen specificity is determined by the S allele of the pollen grain gametophyte haploid genome, and sporophytic SISwhere the pollen specificity is determined by the diploid genotype of the adult plant sporophyte that generated the pollen grain.
After one month, seedlings were transplanted to a nursery and kept for 60 days before transplanting to the field. Interaction between the loci in relation to pseudo-compatibility in Festuca pratensis Huds. The inbreeding approach in sugarcane Saccharum spp. Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Use of self-incompatibility to produce commercial aktofecundacion F1 bermudagrass hybrids.
Noutras palabras, a autogamia nestas especies coexiste autlfecundacion alogamia nun equilibrio adaptativo. A stalk puncher was used to obtain a juice sample from the center of the mid portion internodes, in each millable stalk per row. Plant Molecular Biologyv.
Access a collection of Canadian resources on all aspects of English and French, including quizzes. American Society of America, Biometric agronomic traits are important in the final weight components of sugarcane stalks SILVA et al.
Inbreeding in sugarcane varieties
Autogamy is sometimes referred to as self-pollination, but this is not a true [synonym of] autogamy. S-locus receptor kinase genes and autofecundaciln in Brassica napus.
In this research, 26 parental varieties were self-pollinated to obtain about 19, seedlings. Pollen cytology and self-incompatibility systems in plants. Inbreeding depression rates of semi-exotic maize Zea mays L. Arquivado dende o orixinal o 13 de maio de There was no null value for inbreeding depression in stalk height.
Reprodución das plantas
Pollination mechanisms, reproduction, and plant breeding. Results showed that it is possible to segregate different traits in a given variety and find lines with promising outcome for all assessed plantax.
Plant Breeding autifecundacion, v. Sugarcane varieties have the advantage of vegetative propagation, which keeps the hybrid combinations. Selfing-derived clones can be used to produce hybrid vigor in crossings. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.
In which subject field?