Academic literature on the topic 'Secondary inflorescence meristem'

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Journal articles on the topic "Secondary inflorescence meristem"

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Salazar-García, Samuel, Elizabeth M. Lord, and Carol J. Lovatt. "Inflorescence and Flower Development of the `Hass' Avocado (Persea americana Mill.) during “On” and “Off” Crop Years." Journal of the American Society for Horticultural Science 123, no. 4 (1998): 537–44. http://dx.doi.org/10.21273/jashs.123.4.537.

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Inflorescence and flower development of the `Hass' avocado (Persea americana Mill.) were investigated at the macro- and microscopic level with three objectives: 1) to determine the time of transition from vegetative to reproductive growth; 2) to develop a visual scale correlating external inflorescence and flower development with the time and pattern of organogenesis; and 3) to quantify the effect of high (“on”) and low (“off”) yields on the flowering process. Apical buds (or expanding inflorescences) borne on summer shoots were collected weekly from July to August during an “on” and “off” cro
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Salazar-García, Samuel, Elizabeth M. Lord, and Carol J. Lovatt. "Inflorescence Development of the `Hass' Avocado: Commitment to Flowering." Journal of the American Society for Horticultural Science 124, no. 5 (1999): 478–82. http://dx.doi.org/10.21273/jashs.124.5.478.

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The developmental stage at which the shoot primary axis meristem (PAM) of the `Hass' avocado (Persea americana Mill.) is committed to flowering was determined. Three-year-old trees were subjected to low-temperature (LT) treatments at 10/7 °C day/night with a 10-h photoperiod for 1 to 4 weeks followed by 25/20 °C day/night at the same photoperiod. Before LT treatment, apical buds of mature vegetative shoots consisted of a convex PAM with two lateral secondary axis inflorescence meristems lacking apical bracts each associated with an inflorescence bract. Apical buds did not change anatomically d
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Gisel, A., S. Barella, F. D. Hempel, and P. C. Zambryski. "Temporal and spatial regulation of symplastic trafficking during development in Arabidopsis thaliana apices." Development 126, no. 9 (1999): 1879–89. http://dx.doi.org/10.1242/dev.126.9.1879.

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Plasmodesmata provide symplastic continuity linking individual plant cells. However, specialized cells may be isolated, either by the absence of plasmodesmata or by down regulation of the cytoplasmic flux through these channels, resulting in the formation of symplastic domains. Maintenance of these domains may be essential for the co-ordination of growth and development. While cells in the center of the meristem divide slowly and remain undifferentiated, cells on the meristem periphery divide more frequently and respond to signals determining organ fate. Such symplastic domains were visualized
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Lev-Yadun, Simcha, and Moshe A. Flaishman. "THE EFFECT OF SUBMERGENCE ON ONTOGENY OF CAMBIUM AND SECONDARY XYLEM AND ON FIBER LIGNIFICATION IN INFLORESCENCE STEMS OF ARABIDOPSIS." IAWA Journal 22, no. 2 (2001): 159–69. http://dx.doi.org/10.1163/22941932-90000275.

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The inflorescence stem of Arabidopsis thaliana is characterized by a wavy ring of lignified fibers inward to the cortex. In young stems, primary fibers develop from the ground meristem, forming the outer part of the pith, while in mature stems the fiber system is comprised both of these primary fibers as well as secondary ones that differentiate from the cambium. Typically, the cambium formed in the inflorescence stem is not always continuous. Therefore, the secondary xylem and the secondary parts of the wavy band of fibers are usually formed only in sectors at the circumference. Submergence o
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Hosni, Hanene, Abdoulaye Diallo, Fabienne Morcillo, et al. "Redox-related gene expression and sugar accumulation patterns are altered in the edible inflorescence produced by the cultivated form of pacaya palm (Chamaedorea tepejilote)." Annals of Botany 128, no. 2 (2021): 231–40. http://dx.doi.org/10.1093/aob/mcab060.

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Abstract Background and Aims The pacaya palm is a dioecious neotropical palm species that is exploited in Latin America for its male inflorescence, which is edible when immature. It is cultivated, in a non-intensive manner, in Guatemala, where a morphotype occurs that produces much larger, more highly branched inflorescences compared with wild palms. We sought to identify molecular factors underlying this phenotypic divergence, which is likely to be a product of domestication. Methods We performed RNA-seq-based studies on immature pacaya palm male inflorescences in order to identify genes that
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Yin, Changxi, Yanchun Zhu, Xuefei Li, and Yongjun Lin. "Molecular and Genetic Aspects of Grain Number Determination in Rice (Oryza sativa L.)." International Journal of Molecular Sciences 22, no. 2 (2021): 728. http://dx.doi.org/10.3390/ijms22020728.

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Rice grain yield is a complex trait determined by three components: panicle number, grain number per panicle (GNPP) and grain weight. GNPP is the major contributor to grain yield and is crucial for its improvement. GNPP is determined by a series of physiological and biochemical steps, including inflorescence development, formation of rachis branches such as primary rachis branches and secondary rachis branches, and spikelet specialisation (lateral and terminal spikelets). The molecular genetic basis of GNPP determination is complex, and it is regulated by numerous interlinked genes. In this re
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Zagórska-Marek, Beata, Magdalena Turzańska, and Klaudia Chmiel. "Verbena officinalis Verbenaceae (Lamiales): a new plant model system for phyllotaxis research." Journal of Plant Research 134, no. 3 (2021): 441–56. http://dx.doi.org/10.1007/s10265-021-01288-2.

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AbstractPhyllotactic diversity and developmental transitions between phyllotactic patterns are not fully understood. The plants studied so far, such as Magnolia, Torreya or Abies, are not suitable for experimental work, and the most popular model plant, Arabidopsis thaliana, does not show sufficient phyllotactic variability. It has been found that in common verbena (Verbena officinalis L.), a perennial, cosmopolitan plant, phyllotaxis differs not only between growth phases in primary transitions but also along the indeterminate inflorescence axis in a series of multiple secondary transitions.
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Ma, Yan-Qin, Zuo-Qian Pu, Xiao-Min Tan, et al. "SEPALLATA­-like genes of Isatis indigotica can affect the architecture of the inflorescences and the development of the floral organs." PeerJ 10 (March 1, 2022): e13034. http://dx.doi.org/10.7717/peerj.13034.

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Background The architecture of inflorescence and the development of floral organs can influence the yield of seeds and have a significant impact on plant propagation. E-class floral homeotic MADS-box genes exhibit important roles in regulation of floral transition and differentiation of floral organs. Woad (Isatis indigotica) possesses unique inflorescence, floral organs and fruit. However, very little research has been carried out to determine the function of MADS-box genes in this medicinal cruciferous plant species. Results SEPALLATA orthologs in I. indigotica were cloned by degenerate PCR.
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Hubbard, Lauren, Paula McSteen, John Doebley, and Sarah Hake. "Expression Patterns and Mutant Phenotype of teosinte branched1 Correlate With Growth Suppression in Maize and Teosinte." Genetics 162, no. 4 (2002): 1927–35. http://dx.doi.org/10.1093/genetics/162.4.1927.

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Abstract The evolution of domesticated maize from its wild ancestor teosinte is a dramatic example of the effect of human selection on agricultural crops. Maize has one dominant axis of growth, whereas teosinte is highly branched. The axillary branches in maize are short and feminized whereas the axillary branches of teosinte are long and end in a male inflorescence under normal growth conditions. Previous QTL and molecular analysis suggested that the teosinte branched1 (tb1) gene of maize contributed to the architectural difference between maize and teosinte. tb1 mutants of maize resemble teo
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Hodel, Donald R. "Biology of Palms and Implications for Management in the Landscape." HortTechnology 19, no. 4 (2009): 676–81. http://dx.doi.org/10.21273/hortsci.19.4.676.

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Comprising a natural and distinctive group, palms (Arecaceae) differ from other woody plants in their structure and growth features that require or offer unique and sometimes advantageous landscape management opportunities. Although palms are a mostly tropical group that lacks dormancy and cold tolerance, there are numerous species possessing sufficient cool or cold hardiness to be suitable for landscaping in subtropical and even some temperate areas. The habit of palms is largely dependent on the number of stems and the length to which they elongate. There are solitary or multistemmed palms a
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Dissertations / Theses on the topic "Secondary inflorescence meristem"

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Rodas, Méndez Ana Lucía. "MtSUPERMAN controls the number of flowers per inflorescence and floral organs in the inner three whorls of Medicago truncatula." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/171474.

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[ES] Las leguminosas son un grupo de plantas consideradas de gran importancia por su valor nutricional para la alimentación humana y ganadera. Además, las familias de leguminosas se caracterizan por rasgos distintivos de desarrollo como su inflorescencia compuesta y su compleja ontogenia floral. Para comprender mejor estas características distintivas, es importante estudiar los genes reguladores clave involucrados en el desarrollo de la inflorescencia y la flor. El gen SUPERMAN (SUP) es un factor transcripcional de dedos de zinc (Cys2-Hys2) considerado como un represor activo que controla el n
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