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Journal articles on the topic 'Plastochrone interval'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Cebrián, Just, Nuria Marbà, and Carlos M. Duarte. "Estimating leaf age of the seagrass Posidonia oceanica (L.) Delile using the plastochrone interval index." Aquatic Botany 49, no. 1 (1994): 59–65. http://dx.doi.org/10.1016/0304-3770(94)90006-x.

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2

Brouns, Joop J. W. M. "The plastochrone interval method for the study of the productivity of seagrasses; possibilities and limitations." Aquatic Botany 21, no. 1 (1985): 71–88. http://dx.doi.org/10.1016/0304-3770(85)90097-x.

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3

Hibara, Ken-ichiro, Masayuki Miya, Sean Akira Benvenuto, et al. "Regulation of the plastochron by three many-noded dwarf genes in barley." PLOS Genetics 17, no. 5 (2021): e1009292. http://dx.doi.org/10.1371/journal.pgen.1009292.

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The plastochron, the time interval between the formation of two successive leaves, is an important determinant of plant architecture. We genetically and phenotypically investigated many-noded dwarf (mnd) mutants in barley. The mnd mutants exhibited a shortened plastochron and a decreased leaf blade length, and resembled previously reported plastochron1 (pla1), pla2, and pla3 mutants in rice. In addition, the maturation of mnd leaves was accelerated, similar to pla mutants in rice. Several barley mnd alleles were derived from three genes—MND1, MND4, and MND8. Although MND4 coincided with a cyto

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4

Jin, Jung-Kang, Hui-Ling Chen, Chih-Wen Yu, and Chin-Ho Lin. "Establishment of a plastochron index for growth assessment of Phalaenopsis." Canadian Journal of Botany 83, no. 1 (2005): 47–53. http://dx.doi.org/10.1139/b04-150.

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A plastochron index was established for four commercial cultivars of Phalaenopsis: Phalaenopsis 'Taisuco Carol' × (Doritaenopsis 'New Cinderella' × P. 'Isaribi') (Taiwan Sugar Corp., code No. S88-41); Phalaenopsis 'Taisuco Swan' × (P. 'Casablanca Dream' × (P. 'Hohoemi' × P. 'Grace Palm')) (code No. S88-89); Doritaenopsis 'I-Hsin Dreamer' × Phalaenopsis 'Taisuco Harmonylip' (code No. S88-104), and Phalaenopsis aphrodite. The plastochron was based on a 20-mm reference leaf length. Semilogarithmical plots of ln-transformed leaf lengths versus time and linear regression analysis were used to evalu

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5

Russin, W. A., M. K. Clayton, and R. D. Durbin. "Modeling nonexponential growth of a short-cycling plant, Tagetes erecta (Asteraceae)." Canadian Journal of Botany 69, no. 2 (1991): 316–20. http://dx.doi.org/10.1139/b91-043.

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A method for establishing a plastochron index was developed as part of an analysis of the growth pattern of Tagetes erecta 'Moonshot' plants. Both log-linear and log-quadratic equations were fitted to balanced sets of leaf-length data. Although the log-linear model fit the data, the log-quadratic model consistently provided a better fit. Slope values and length of plastochron from both models were compared versus leaf and plant number. An analysis of variance showed that overall, the leaves grew at different rates and were initiated at different intervals. However, leaves 2–4 on each plant ful

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6

Solana-Arellano, E., H. Echavarria-Heras, and E. Franco-Vizcaíno. "A dynamical model for characterising seasonality effects on eelgrass plastochron intervals." Annals of Applied Biology 157, no. 1 (2010): 99–110. http://dx.doi.org/10.1111/j.1744-7348.2010.00414.x.

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7

Ceulemans, R., I. Impens, and V. Steenackers. "Genetic variation in aspects of leaf growth of Populusclones, using the leaf plastochron index." Canadian Journal of Forest Research 18, no. 8 (1988): 1069–77. http://dx.doi.org/10.1139/x88-162.

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Leaf growth characteristics of seven clones of Populustrichocarpa, P. nigra, and interspecific hybrids with P. deltoides were examined on 1-year-old cuttings grown in a controlled-environment growth chamber. The plastochron index, a morphological time scale that is a linear function of time and correlated with other morphogenetic and physiological developmental processes, was applied to this development and growth study. Uniformity of leaf initiation was studied; new leaves were initiated at regular time intervals, at least under the controlled conditions of this study. Clones with a high leaf

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8

Gould, Kevin S., Elizabeth G. Cutter, and J. Peter W. Young. "Does growth rate determine leaf form in Pisum sativum?" Canadian Journal of Botany 67, no. 9 (1989): 2590–95. http://dx.doi.org/10.1139/b89-334.

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We have examined the long-standing hypothesis that leaves are morphologically more complex following prolonged proximity to the shoot apical meristem. Growth rates of the petiole and rachis of conventional and mutant pea leaves were compared for successive nodes of insertion in seedling plants. Leaves were longer at higher nodes, though the relative growth rate did not vary. Mature afila leaves were longer than those of conventional and tendril-less genotypes. The afila leaf alone exhibited a transient, highly significant rise in relative growth rate during the plastochron interval P4.5–P5.5.

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9

Dengler, Nancy G. "The shoot apical meristem and development of vascular architectureThis review is one of a selection of papers published on the Special Theme of Shoot Apical Meristems." Canadian Journal of Botany 84, no. 11 (2006): 1660–71. http://dx.doi.org/10.1139/b06-126.

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The shoot apical meristem (SAM) functions to generate external architecture and internal tissue pattern as well as to maintain a self-perpetuating population of stem-cell-like cells. The internal three-dimensional architecture of the vascular system corresponds closely to the external arrangement of lateral organs, or phyllotaxis. This paper reviews this correspondence for dicotyledonous plants in general and in Arabidopsis thaliana (L.) Heynh., specifically. Analysis is partly based on the expression patterns of the class III homeodomain-leucine zipper transcription factor ARABIDOPSIS THALIAN

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10

Vincent, Coral A., and Enrico S. Coen. "A temporal and morphological framework for flower development in Antirrhinum majus." Canadian Journal of Botany 82, no. 5 (2004): 681–90. http://dx.doi.org/10.1139/b04-042.

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The entire course of flower development in Antirrhinum majus L., from initiation to maturity, is described in terms of regular time intervals. Floral meristem and bud morphology was determined by scanning electron microscopy for a sequence of 58 plastochrons. These can be grouped to define 15 stages or 7 phases of development, providing a temporal framework for gene expression and key morphological events, such as the formation of the complex corolla. The time course is also used to estimate overall growth rates of sepals and petals. Sepals initially grow at a constant rate, but growth rate gr

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11

Evans, LT, and C. Blundell. "The Acceleration of Primordium Initiation as a Component of Floral Evocation in Lolium temulentum L." Functional Plant Biology 23, no. 5 (1996): 569. http://dx.doi.org/10.1071/pp9960569.

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An acceleration of leaf primordium initiation by the shoot apex frequently follows floral evocation, but after varying intervals. The purpose of the experiments reported here was to define more closely the relation between this reduction of the plastochron and floral evocation, using the long day (LD) plant Lolium temulentum grown under closely controlled conditions.The acceleration begins at floral evocation, on the day after the first LD exposure, and increases after exposure to additional LDs. However, plants too young to be florally evoked by one LD nevertheless manifested an acceleration

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12

Rawson, HM. "Radiation Effects on Rate of Development in Wheat Grown Under Different Photoperiods and High and Low Temperatures." Functional Plant Biology 20, no. 6 (1993): 719. http://dx.doi.org/10.1071/pp9930719.

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This study was designed to examine whether development rate of wheat might be changed by radiation at high temperature and more generally whether development might be varied by changed source: sink ratio. In the genotype studied, when temperature was high (27/22�C) and especially when the photoperiod was short (9 h), leaf primordia were produced more slowly under low than high natural radiation, and this slowing was reflected in lower final spikelet numbers and in fewer grains per ear. Under the higher source: sink condition of low temperature (17/7�C), and under either short or long photoperi

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13

Baker, J. T., D. I. Leskovar, V. R. Reddy, and F. J. Dainello. "591 MelonMan: A Simple Phenology Model of Muskmelon Development." HortScience 35, no. 3 (2000): 498D—498. http://dx.doi.org/10.21273/hortsci.35.3.498d.

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A temperature experiment with two cultivars of muskmelon (`Gold Rush' and `Mission') was conducted in growth chambers to determine how main vine leaf appearance rates responded to temperature. We identified three cardinal temperatures for leaf appearance rate: the base temperature (10 °C) at which leaf appearance rate was zero, an optimum temperature where leaf appearance rate was at a maximum (34 °C) and an upper threshold temperature (45 °C) where leaf appearance rate returned to zero. Using these three cardinal temperatures, we constructed a simplified thermal unit accumulator for hourly me

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14

Schultz, Hans R. "Extension of a Farquhar model for limitations of leaf photosynthesis induced by light environment, phenology and leaf age in grapevines (Vitis vinifera L. cvv. White Riesling and Zinfandel)." Functional Plant Biology 30, no. 6 (2003): 673. http://dx.doi.org/10.1071/fp02146.

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Measurements of gas exchange and stomatal conductance were made on potted and field-grown grapevines (Vitis vinifera L.) on leaves from different light environments (sun and shade) at different phenological stages during the season to parameterise the Farquhar model. The model parameters for Rubisco activity (Vcmax), maximum electron transport rate (Jmax), and triose-phosphate utilisation (TPU) were estimated on the basis of a large data set (n = 105) of CO2 assimilation (A) versus internal CO2 pressure (Ci) curves. Leaf age was described with the leaf plastochron index (LPI). Stomatal couplin

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15

Rahman*, S. M. Lutfor, Jeffrey T. Baker, Raul I. Cabrera, Dennis J. Timlin, and Bruno Quebedeaux. "Simulation of Phenology, Growth and Yield of Cucumis melo." HortScience 39, no. 4 (2004): 785A—785. http://dx.doi.org/10.21273/hortsci.39.4.785a.

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We collected growth and yield data on eight cantaloupe cultivars and constructed a simple phenology model that uses local weather data to allow growers to quantify phenological growth and development to project harvest dates. Main vine plastochron interval (PI), time to harvest, and final yield were determined. PI was calculated for each cultivar × transplanting date combination as the reciprocal of the slope of main vine node number vs. growing degree days. Among the tested cultivars,`Ovation' and `Primo' produced significantly higher yields of marketable melons (51.3 Mg/ha, 49.5 Mg/ha, respe

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16

Rawson, HM, and M. Zajac. "Effects of Higher Temperatures, Photoperiod and Seed Vernalisation on Development in Two Spring Wheats." Functional Plant Biology 20, no. 2 (1993): 211. http://dx.doi.org/10.1071/pp9930211.

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The intention of this work was to examine to what degree development in wheat is modified by increased temperature when other environmental factors are also varied. The genotypes used were an early season wheat, Hartog, and a closely related mid-season line, Late Hartog. Plants were grown throughout in temperature regimes of 25/15�C or 17/7�C and photoperiods of 9, 11, 13 or 15 h with 9 h of natural summer radiation. Seeds were vernalised for 0, 2 or 4 weeks. Increased temperature extended the thermal time to ear emergence, particularly in Late Hartog, and particularly under short days after p

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17

Cusset, Gérard. "La morphogenèse du limbe des Dicotylédones." Canadian Journal of Botany 64, no. 12 (1986): 2807–39. http://dx.doi.org/10.1139/b86-375.

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In this unique and comprehensive article, Dr. Cusset presents a historical review of ideas and theories on leaf development, a detailed description and critique of the classical model, a discussion of Jeune's model, and finally his own synthetic model.According to Cusset, the classical model, which has been widely adopted in textbooks, reference books, and research, postulates that (i) leaf morphogenesis results from the successive activity of apical, marginal (or submarginal), and intercalary meristems; (ii) cell files arise from submarginal initials; (iii) the cell is the fundamental unit of

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18

Solana-Arellano, Elena, Hector Echavarría-Heras, and Cecilia Leal-Ramírez. "Caracterización del forzamiento ambiental sobre la dinámica del intervalo de plastocrono en Zostera marina L. en el estuario de Punta Banda b.c. México: una aproximación de modelado empírico." Scientia Marina 73, no. 1 (2009). http://dx.doi.org/10.3989/scimar.2009.73n1095.

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