orthotropism

简明释义

英[ˌɔrθəˈtrɒpɪzəm]美[ˌɔrθəˈtrɒpɪzəm]

n. [植] 直生性

英英释义

单词用法

同义词

反义词

例句

1.Plant is vigorous, stem is strong and the color is dark green. Early maturing variety. Good orthotropism, good tastes, high quality.

早熟直立型品种，植株长势强健。叶色深绿色，耐病性好，抽苔晚，品质佳。

2.Plant is vigorous, stem is strong and the color is dark green. Early maturing variety. Good orthotropism, good tastes, high quality.

早熟直立型品种，植株长势强健。叶色深绿色，耐病性好，抽苔晚，品质佳。

3.Plants exhibit orthotropism when they grow straight towards the light source.

植物在朝向光源生长时表现出正向生长性。

4.The study of orthotropism can help improve agricultural practices by optimizing plant growth.

对正向生长性的研究可以通过优化植物生长来改善农业实践。

5.In botany, orthotropism refers to the directional growth of roots and shoots.

在植物学中，正向生长性指的是根和茎的定向生长。

6.Understanding orthotropism is crucial for engineers designing structures that must withstand natural forces.

理解正向生长性对于设计必须承受自然力量的结构的工程师至关重要。

7.Certain species of trees display orthotropism by growing straight up despite strong winds.

某些树种在强风中仍然直立生长，表现出正向生长性。

作文

In the fascinating world of biology, plants exhibit various growth patterns in response to environmental stimuli. One such intriguing phenomenon is known as orthotropism, which refers to the growth of plant organs in the direction of the stimulus, often gravity or light. This adaptive behavior allows plants to optimize their growth and maximize their chances of survival. Understanding orthotropism not only sheds light on plant biology but also has significant implications for agriculture and horticulture. Plants are constantly exposed to different environmental factors that can influence their growth. For instance, when a seed germinates, it must grow roots downward into the soil to access nutrients and water, while the shoot must grow upward towards the light. This directional growth is a direct result of orthotropism, where the plant responds to gravitational pull and light intensity. The roots of the plant exhibit positive gravitropism, meaning they grow in the direction of gravity, while the shoots display negative gravitropism, growing against the force of gravity. Moreover, orthotropism is not limited to just gravity; light plays a crucial role in how plants orient themselves. Phototropism, a related concept, describes how plants bend towards light sources. This bending occurs because cells on the side of the plant that is farthest from the light source elongate more than those on the side facing the light. This differential growth allows the plant to maximize its exposure to sunlight, which is essential for photosynthesis. The study of orthotropism has significant implications for agricultural practices. Farmers and horticulturists can manipulate the growth patterns of plants by adjusting their environment. For example, understanding how plants respond to light can lead to better placement of crops in fields to ensure they receive adequate sunlight. Additionally, knowledge of orthotropism can aid in the development of new farming techniques that enhance crop yields and sustainability. Furthermore, orthotropism can be observed in various plant species, each exhibiting unique adaptations. For instance, climbing plants often show pronounced orthotropism as they grow towards support structures, allowing them to reach sunlight more effectively. This capability not only highlights the versatility of plant growth but also emphasizes the importance of environmental interactions in shaping plant morphology. In conclusion, orthotropism is a fundamental aspect of plant growth that enables organisms to adapt to their surroundings. By responding to gravity and light, plants can optimize their growth patterns for survival. As we delve deeper into the mechanisms of orthotropism, we uncover valuable insights that can enhance agricultural practices and improve our understanding of plant biology. The exploration of this phenomenon not only enriches our knowledge but also underscores the intricate relationships between living organisms and their environments.

在生物学的迷人世界中，植物在响应环境刺激时展现出各种生长模式。其中一个引人入胜的现象被称为正向趋性，指的是植物器官朝向刺激方向的生长，通常是重力或光。这种适应性行为使植物能够优化其生长并最大化生存机会。理解正向趋性不仅揭示了植物生物学的奥秘，还有重要的农业和园艺意义。 植物不断受到不同环境因素的影响，这些因素可以影响它们的生长。例如，当种子发芽时，它必须将根向下生长到土壤中以获取养分和水分，而芽则必须向上生长以接触光线。这种方向性生长是正向趋性的直接结果，植物对重力和光强度做出反应。植物的根表现出正向重力趋性，意味着它们朝着重力的方向生长，而芽则表现出负向重力趋性，逆着重力的方向生长。 此外，正向趋性不仅限于重力；光在植物的定向生长中也起着至关重要的作用。光向性是一个相关概念，描述了植物如何弯向光源。这种弯曲发生在远离光源的一侧细胞比面向光的侧面细胞更长。这种差异生长使植物能够最大化其阳光暴露，这是光合作用所必需的。 对正向趋性的研究对农业实践具有重要意义。农民和园艺师可以通过调整环境来操纵植物的生长模式。例如，了解植物如何对光作出反应可以帮助更好地安排作物在田地中的位置，以确保它们获得足够的阳光。此外，了解正向趋性可以帮助开发新的农业技术，从而提高作物产量和可持续性。 此外，各种植物物种中都可以观察到正向趋性，每种植物都有其独特的适应性。例如，攀援植物通常表现出明显的正向趋性，因为它们朝向支撑结构生长，使它们能够更有效地接触阳光。这种能力不仅突显了植物生长的多样性，还强调了环境相互作用在塑造植物形态方面的重要性。 总之，正向趋性是植物生长的基本方面，使生物能够适应其周围环境。通过对重力和光的响应，植物能够优化其生长模式以求生存。当我们深入探讨正向趋性的机制时，我们发现了宝贵的见解，这些见解可以增强农业实践并改善我们对植物生物学的理解。对这一现象的探索不仅丰富了我们的知识，还强调了生物体与其环境之间复杂关系的重要性。