Selfpollinated Progeny
Mostrando 1-12 de 15 artigos, teses e dissertações.
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1. Efeito do gene CP4 EPSPS na produtividade de óleo em populações de soja / Effect of CP4 EPSPS gene on the oil yield of soybean populations
During the past few years, with the increase of the biodiesel international price and rising demand, there has been a larger interest in increasing the oil content of soybean cultivars. It is known that the high oil production is a function of yield. However, there are many factors that prevent cultivars from expressing their full yield potential, for exampl
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/08/2011
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2. SeleÃÃo de progÃnies S1 de milho em diferentes densidades de semeadura / Selection of S1 maize progenies under different plant densities
Most maize breeding programs has given emphasis on cultivar development more adapted to high plant densities. However there is little information about the interaction of S0:1 progenies x plant densities. The present work aimed to evaluate plant density effect on the selection process of inbred progenies. Ninety-eight S0:1 progenies from the single cross hyb
Publicado em: 2005
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3. Sensitivity to an Ethylene Biosynthesis-Inducing Endoxylanase in Nicotiana tabacum L. cv Xanthi Is Controlled by a Single Dominant Gene.
The ethylene biosynthesis-inducing xylanase (EIX) is known to be a potent elicitor of ethylene biosynthesis and other responses when applied to leaf tissue of Nicotiana tabacum L. cv Xanthi. In contrast, leaf tissue of the tobacco cultivar Hicks was insensitive to EIX at concentrations 100-fold higher than was needed to elicit responses from Xanthi. Cell-sus
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4. The Effect on Net Photosynthesis of Pedigree Selection for Low and High Rates of Photorespiration in Tobacco
A normal appearing plant with a low rate of photorespiration (ratio of 14CO2 released light/dark = 1.6) was found in an unselected tobacco (Nicotiana tabacum) cultivar. The plant was self-pollinated, and further selections were made on several successive generations. Excised leaves from the progeny of the selections were examined for photorespiration and net
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5. The Yeast HAL1 Gene Improves Salt Tolerance of Transgenic Tomato1
Overexpression of the HAL1 gene in yeast has a positive effect on salt tolerance by maintaining a high internal K+ concentration and decreasing intracellular Na+ during salt stress. In the present work, the yeast gene HAL1 was introduced into tomato (Lycopersicon esculentum Mill.) by Agrobacterium tumefaciens-mediated transformation. A sample of primary tran
American Society of Plant Physiologists.
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6. The Mu Transposable Elements of Maize: Evidence for Transposition and Copy Number Regulation during Development
The Mu transposon of maize exists in a highly mutagenic strain called Robertson's Mutator. Plants of this strain contain 10–50 copies of the Mu element, whereas most maize strains and other plants have none. When Mutator plants are crossed to plants of the inbred line 1S2P, which does not have copies of Mu, the progeny plants have approximately the same nu
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7. Rapid proliferation of the maize transposable element Activator in transgenic tomato.
We have found that the maize transposable element Activator (Ac) can rapidly proliferate when transformed into tomato plants. The fate of transposed Ac elements in self-pollinated progeny of independent transgenic tomato plants was examined by DNA gel blot hybridizations. When a single copy of Ac was introduced into a transformant, the number of copies usual
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8. Protection against tobacco mosaic virus in transgenic plants that express tobacco mosaic virus antisense RNA.
Transgenic tobacco plants that express RNA sequences complementary to the tobacco mosaic virus (TMV) coat protein (CP) coding sequence with or without the tRNA-like structure at the 3' end of the TMV RNA were produced. Progeny of self-pollinated plants were challenged with TMV to determine their resistance to infection. Plants that expressed RNA sequences co
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9. Decreased Cell Wall Digestibility in Canola Transformed with Chimeric Tyrosine Decarboxylase Genes from Opium Poppy1
Tyrosine decarboxylase (TYDC) is a common plant enzyme involved in the biosynthesis of numerous secondary metabolites, including hydroxycinnamic acid amides. Although a definite function has not yet been determined, amides have been proposed to form a physical barrier against pathogens because they are usually found as integral cell wall components. Canola (
American Society of Plant Physiologists.
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10. Quantum speciation in Aegilops: Molecular cytogenetic evidence from rDNA cluster variability in natural populations
Data are presented on quantum speciation in the Sitopsis section of the genus Aegilops (Poaceae, Monocotyledones). Two small, peripheral, isolated, wild populations of annual cross-pollinated Ae. speltoides and annual self-pollinated Ae. sharonensis are located 30 m apart on different soil types. Despite the close proximity of the two species and their close
National Academy of Sciences.
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11. Plants transformed with a cistron of a potato virus Y protease (NIa) are resistant to virus infection.
An oligonucleotide carrying signals for translation initiation in plants was engineered upstream to a cDNA clone containing nucleotides 5812-7260 of the potato virus Y (PVY) genome. This fragment contains all but the first 100 5' terminal bases of the cistron encoding one of the PVY proteases (NIa) as well as the first 251 bases of the next cistron (NIb). Ni
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12. Inheritance and expression of foreign genes in transgenic soybean plants
DNA-coated gold particles were introduced into meristems of immature soybean seeds using electric discharge particle acceleration to produce transgenic fertile soybean plants. The lineages of integrated foreign DNA in two independently transformed plants were followed in the first (R1) and second (R2) generation of self-pollinated progeny. One plant (4615) w