相关实验视频

Updated: Mar 15, 2026

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

扩展1D多尺度植物生长模型,包括环境和土壤营养动力学下的分支

Hassan Chini^1,2, Aissam Jebrane³, Abdelilah Hakim⁴

¹Complex Systems and Interactions Research Center, Centrale Casablanca, Ville Verte, Bouskoura, 27182, Morocco. hassan.chini@centrale-casablanca.ma.

Journal of mathematical biology

|March 13, 2026

概括

这项研究增强了植物生长模型,包括温度和太阳辐射等环境因素,改善了植物结构和动态条件下的分支的预测.

科学领域:

植物生物学植物生物学
数学建模的数学建模
环境科学环境科学

背景情况:

贝索诺夫-沃尔珀特模型描述了基于营养吸收的植物延长,但缺乏环境影响.
植物的发展受到温度和太阳辐射等环境因素的重大影响,影响了生长和分枝.

研究的目的:

扩展植物生长的1D多尺度混合模型,以纳入环境动态.
在波动的土壤营养和环境条件下将植物发育的框架概括起来.
为了使模型中侧面分支的出现.

主要方法:

扩展了贝索诺夫-沃尔珀特模型,将基于有效日度的有效时间变量纳入其中.
将温度和太阳辐射集成到模型中,以影响生长速度.
与局部荷尔蒙信号 (auxin和cytokinin) 与依赖营养的生长和环境约束相结合.

主要成果:

修改后的模型显示生长速度取决于环境波动,不像原始模型那样是恒定的.
数字模拟表明了土壤营养和环境条件如何影响植物分枝模式和结构.
该模型成功地整合了荷尔蒙信号,营养吸收和环境因素.

结论:

改进的模型为研究适应性植物生长提供了一个数学上一致和生物学上的基础框架.
这种通用模型为动态环境如何塑造植物架构提供了新的见解.
该研究强调了环境因素在植物发育和分枝的重要性.

关键词:

1D 有分支的 1D.辅酶和细胞因子激素的辅酶和细胞因子激素.贝索诺夫 - 沃尔珀特模型环境条件环境条件多尺度建模多尺度建模土壤营养物质土壤营养物质

更多相关视频

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

Imaging the Root Hair Morphology of Arabidopsis Seedlings in a Two-layer Microfluidic Platform

Imaging the Root Hair Morphology of Arabidopsis Seedlings in a Two-layer Microfluidic Platform

Published on: August 15, 2017

相关概念视频

Exponential Equations for Modeling Growth

Exponential Equations for Modeling Growth

Exponential models are essential for describing rapid, multiplicative changes in natural systems, such as population growth. When a population doubles at regular intervals, the process can be modeled using a suitable base. For instance, a bacterial culture that doubles every three hours follows the model n(t)=n0⋅2t/3, where n(t) is the population at the time t.A more general model uses the natural base e, especially for continuous growth. This takes the form n(t)=n0⋅ert, where r is...

Modeling with Differential Equations

Modeling with Differential Equations

Population dynamics can be described mathematically by considering the population size P(t) as a function of time. The rate of change of the population is then represented by the derivative of P(t). A simple assumption is that the rate of growth is proportional to the size of the population itself. This leads to an exponential growth model, where the population increases rapidly without bound. While this is a useful first approximation, it does not reflect realistic long-term...

Meristems and Plant Growth

Meristems and Plant Growth

Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.

Short-distance Transport of Resources

Short-distance Transport of Resources

Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.

Growth Models with Integration: Problem Solving

Growth Models with Integration: Problem Solving

In population modeling, integration provides a systematic way to determine accumulated quantities from known rates of change. One such application arises in ecology, where the total weight of a fish population in a body of water is referred to as its biomass. When the rate of growth of this biomass is known as a function of time, calculus can be used to determine the total biomass at a future date.Growth Rate and Biomass FunctionLet the growth rate of the fish population be represented by a...

Tonicity in Plants

Tonicity in Plants

Plant cells maintain appropriate osmotic balance in extreme conditions. For instance, plants in dry environments store water in vacuoles, limit the opening of their stoma, and have thick, waxy cuticles to prevent unnecessary water loss. Some species of plants that live in salty environments store salt in their roots. As a result, water osmosis occurs in the root from the surrounding soil.
Tonicity
Tonicity describes the capacity of a cell to lose or gain water depending on the solute...