AUTOFECUNDACION PLANTAS PDF

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.

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That is why, while crossing sugarcane, self-pollination is actively avoided by physical treatment, as it is believed that a reduction in vigor could occur CASSALETT et al. Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Sporophytic and gametophytic self-incompatibility.

Signal transduction in plant growth and development. On the importance of male fitness in plants. In this research, 26 parental varieties were self-pollinated to obtain about 19, seedlings. SP, parental mean diameter of 3. Molecular aspects of the self-incompatibility systems of Brassica and Nicotiana. The good results obtained in this research may be due to the fact that there is a complex inter specific hybrid with Saccharum noble and Saccharum spontaneum species involved with one noble plangas two S.

Reprodución das plantas – Wikipedia, a enciclopedia libre

Genetics and breeding of sugarcane. Only six seedlings, i. A mucilaxe atrae os anterozoides por quimiotaxe. Hereditas, v 52, p. The effects of selfing and the use of pure lines developed by selfing after successive generations in breeding have autofecundacikn widely studied in a number of simple diploids. FAQ Frequently asked questions Display options.

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Sugarcane species are allogamous, i. Selfing varieties with high diameter of the stalks i. In the analysis of variance Table 1 the source of variation for treatment was partitioned into parents and self. After one month, seedlings were transplanted to a nursery and kept for 60 days before transplanting to the field. Inbreeding in sugarcane varieties.

Glossaries and vocabularies Access Translation Bureau glossaries and vocabularies. Inbreeding depression estimates allow the inference of population genetic structure and predominant gene action in the genetic control of characters.

Inbreeding depression rates of semi-exotic maize Zea mays L. The effect of accidental autifecundacion on the analysis of a diallel cross with sugar cane.

Genetic control of specificty and activity of the S antigen in plants. As a possible means to overcome the ceiling on sugarcane production, this research was initiated with a group of parental varieties to obtain and evaluate first-generation inbred lines plantass may be used for further crosses and to determine also the extent of inbreeding depression. Columbia University Press, New York.

Alfalfa and alfalfa improvement. Cell-cell signaling in the self-incompatibility response. George, BB, Barbados, W. The existence of SI in economically important plants may be very important, being very positive in some cases or a burden in others, depending on the plant part harvested vegetative or reproductive and its mode of reproduction, sexual or asexual. The pollen determinant of self-incompatibility in Brassica campestris.

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Molecular mechanisms of self-recognition in Brassica self-incompatibility. The lowest frequency of superior offspring in relation to average parents was observed in the segregation for stalk weight.

Autotecundacion from floral ecology and molecular genetic variation. Services on Demand Journal. Scientia Agricolav. There was no null value for inbreeding depression in stalk height.

Access a collection of Canadian resources on all aspects of English and French, including quizzes. FAQ Frequently asked questions Display options.

Nowadays, the research has put emphasis on the identification and understanding of the molecular and cellular processes leading to the recognition and rejection of the self-incompatible pollen, including the identification, localization and sequencing of proteins, enzymes and genes involved.

Os musgos poden ser dioicos ou monoicos. Consultado o 10 de xaneiro de Low level of selfing found in a sample of crosses in Australian sugarcane breeding programs. Iowa State University, At flowering, stalks were isolated in the crossing house to avoid foreign pollen and obtain only self-pollinated seeds. Plots comprised four rows of 5.

Reprodución das plantas

Biological Sciences Espazos de nomes Artigo Conversa. Correlation of stylar ribonuclease zymograms with incompatibility alleles in sweet cherry. Evolution, Diversity, autofecundafion Mechanisms. A androesterilidade pode manifestarse das seguintes maneiras:

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