Shoot Meristem Culture
Mostrando 1-11 de 11 artigos, teses e dissertações.
-
1. Effect of Gibberellic Acid on Ipomoea Batatas Regeneration From Meristem Culture.
The elongation of the explants is one of the crucial aspects in developing protocols for regeneration of sweet potato from meristem culture. In order to promote elongation and accelerate explant development, gibberellic acid (GA3) was added to the culture medium. Experimental results were strongly influenced by the cultivars employed. The effect of GA3 was t
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
-
2. Embriogênese somática a partir de folhas imaturas e flores desenvolvidas in vitro de dendezeiro (Elaeis guineensis Jacq) / Somatic embryogenesis from immature leaves and flowers developed in vitro from oil palm (Elaeis guineensis Jacq)
The study aimed to establish an efficient protocol for somatic embryogenesis of the oil palm, especially all of cultivars explored in Brazil, as well as to acomplish the anatomical caracterization of the embryogenic process. For induction of somatic embryogenesis we used two explants types, leaves segments and female inflorescences, resulting in two experime
Publicado em: 2009
-
3. Embriogênese somática em macaúba: indução, regeneração e caracterização anatômica / Somatic embryogenesis in macauba: induction, regeneration and anatomical characterization
Among oleaginous plants that could be used to produce biodiesel, macauba (Acrocomia aculeata (Jacq.) Lodd. ex Martius) is known as a highly productive and semi-arid adapted palm. However, this species shows some problems regarding to its propagation and somatic embryogenesis can be an alternative. The aim was to contribute to the development of macauba somat
Publicado em: 2007
-
4. CONTROL OF GROWTH AND DEVELOPMENT OF POTATO TUBER SEED THROUGH THE ELECTRICAL CONDUCTIVITY OF THE NUTRIENT SOLUTION / CONTROLE DO CRESCIMENTO E DESENVOLVIMENTO DA BATATA SEMENTE ATRAVÉS DA CONDUTIVIDADE ELÉTRICA DA SOLUÇÃO NUTRITIVA
Potato average production in Brazil is well above the worlds one, but in Rio Grande do Sul the opposite is true, as this state holds one of the countrys smallest mean production. This fact is mainly due to the use of low quality tuber seed. The multiplication of virus-free propagation material, obtained by meristem culture, requires more efficient and econom
Publicado em: 2007
-
5. Produção de alho-semente com alta qualidade fitossanitária mediante cultura de ápices caulinares.
Metodologia de produção de plantas livres de vírus; Indução de parte aérea; Crescimento dos microbulbos; Indexação de plantas; Produção de alho-semente livre de vírus em condições fitossanitárias controladas.
Brasília. Publicado em: 2001
-
6. Induction of Zygotic Polyembryos in Wheat: Influence of Auxin Polar Transport.
The effects of two auxin polar transport inhibitors, N-1-naphthylphthalamic acid (NPA) and 3,3[prime],4[prime],5,7-pentahydroxyflavone (quercetin), on attaining bilateral symmetry from radial symmetry during early wheat embryogenesis were investigated by using an in vitro culture system. Although NPA and quercetin belong to two different classes of auxin tra
-
7. Phase identity of the maize leaf is determined after leaf initiation
The vegetative development of the maize shoot can be divided into juvenile and adult phases based on the types of leaves produced at different times in shoot development. Models for the regulation of phase change make explicit predictions about when the identity of these types of leaves is determined. To test these models, we examined the timing of leaf type
The National Academy of Sciences.
-
8. The ROOT MERISTEMLESS1/CADMIUM SENSITIVE2 Gene Defines a Glutathione-Dependent Pathway Involved in Initiation and Maintenance of Cell Division during Postembryonic Root Development
Activation of cell division in the root apical meristem after germination is essential for postembryonic root development. Arabidopsis plants homozygous for a mutation in the ROOT MERISTEMLESS1 (RML1) gene are unable to establish an active postembryonic meristem in the root apex. This mutation abolishes cell division in the root but not in the shoot. We repo
American Society of Plant Physiologists.
-
9. The Determination Time of the Carpel Whorl Is Differentially Sensitive to Carbohydrate Supply in Pharbitis nil1
A shoot apical meristem is florally determined if, following its removal from an induced plant, it flowers when cultured in non-inductive conditions. Determination times were measured in the short-day plant Pharbitis nil to examine whether floral whorls are determined simultaneously or sequentially. Shoot apices were excised at daily intervals following a 48
American Society of Plant Physiologists.
-
10. Expression and Maintenance of Embryogenic Potential Is Enhanced through Constitutive Expression of AGAMOUS-Like 151
The MADS domain protein AGL15 (AGAMOUS-Like 15) has been found to preferentially accumulate in angiosperm tissues derived from double fertilization (i.e. the embryo, suspensor, and endosperm) and in apomictic, somatic, and microspore embryos. Localization to the nuclei supports a role in gene regulation during this phase of the life cycle. To test whether AG
The American Society for Plant Biologists.
-
11. Regulation of Squalene Synthase, a Key Enzyme of Sterol Biosynthesis, in Tobacco1
Squalene synthase (SS) represents a putative branch point in the isoprenoid biosynthetic pathway capable of diverting carbon flow specifically to the biosynthesis of sterols and, hence, is considered a potential regulatory point for sterol metabolism. For example, when plant cells grown in suspension culture are challenged with fungal elicitors, suppression
American Society of Plant Physiologists.