adventitious root

简明释义

不定根

英英释义

例句

1.During the experiment, we observed how adventitious roots formed in response to environmental stress.

在实验过程中，我们观察到不定根是如何在环境压力下形成的。

2.The propagation of certain species can be enhanced by encouraging the growth of adventitious roots.

通过促进不定根的生长，可以增强某些物种的繁殖能力。

3.In many climbing plants, adventitious roots provide additional support as they cling to surfaces.

在许多攀爬植物中，不定根提供额外的支持，帮助它们附着在表面上。

4.Some trees can regenerate after being cut down due to their ability to produce adventitious roots.

一些树木由于能够产生不定根，在被砍伐后可以再生。

5.The plant developed an adventitious root that helped it absorb water more efficiently during the drought.

这株植物发育出了一个不定根，帮助它在干旱期间更有效地吸收水分。

作文

In the world of botany, understanding the various types of plant roots is crucial for both academic study and practical applications in agriculture and gardening. One type of root that often comes up in discussions is the adventitious root. This term refers to roots that develop from non-root tissues, typically from stems or leaves, rather than from the primary root system. The formation of adventitious roots can occur in many plants as a response to certain environmental conditions or stress factors, such as flooding or injury. For instance, many species of grasses produce adventitious roots that help stabilize the plant in loose soils. These roots can also absorb water and nutrients more efficiently, especially in environments where the primary roots may be compromised. Similarly, climbing plants often develop adventitious roots that allow them to attach to structures as they grow upward, maximizing their exposure to sunlight. The significance of adventitious roots extends beyond their structural role. They are also vital for vegetative reproduction. Many plants, such as the sweet potato and certain types of ivy, can propagate through cuttings that develop adventitious roots. This ability to regenerate roots from stem or leaf cuttings makes these plants highly resilient and adaptable in various environments. Moreover, adventitious roots can also play a role in nutrient uptake. For example, in wetland plants, these roots can help in the absorption of oxygen from the air, allowing the plant to thrive in waterlogged conditions where traditional root systems might fail. This adaptation showcases the incredible versatility of plants and their ability to evolve in response to their surroundings. In conclusion, the study of adventitious roots opens up a fascinating window into plant biology and ecology. Understanding how these roots function not only enhances our knowledge of plant physiology but also informs agricultural practices and conservation efforts. As we face challenges like climate change and habitat destruction, recognizing the importance of adaptations such as adventitious roots becomes increasingly essential. By appreciating the complexity and ingenuity of plant life, we can better protect and manage our natural resources for future generations.

在植物学的世界中，理解各种类型的植物根系对于学术研究和农业、园艺的实际应用至关重要。其中一个常常被提及的根系类型是不定根。这个术语指的是从非根组织（通常是茎或叶）发育而来的根，而不是来自主要根系的根。不定根的形成可以发生在许多植物中，作为对某些环境条件或压力因素（如洪水或损伤）的反应。例如，许多草本植物会产生不定根，帮助植物在松散的土壤中稳定。这些根还可以更有效地吸收水分和养分，尤其是在主要根系可能受到损害的环境中。同样，攀缘植物常常会发育出不定根，使它们能够在生长向上时附着于结构上，从而最大限度地增加阳光的暴露。不定根的重要性不仅体现在其结构作用上。它们对于无性繁殖也至关重要。例如，甘薯和某些类型的常春藤等植物可以通过发育出不定根的插枝进行繁殖。这种从茎或叶切割中再生根系的能力使这些植物在各种环境中具有高度的韧性和适应性。此外，不定根在养分吸收中也可能发挥作用。例如，在湿地植物中，这些根可以帮助从空气中吸收氧气，使植物能够在水淹条件下生存，而传统的根系可能会失效。这种适应展示了植物的惊人多样性及其在环境变化中的进化能力。总之，研究不定根为植物生物学和生态学提供了一个迷人的视角。理解这些根系的功能不仅增强了我们对植物生理的认识，还为农业实践和保护工作提供了信息。随着气候变化和栖息地破坏等挑战的出现，认识到不定根等适应特征的重要性变得越来越必要。通过欣赏植物生命的复杂性和独创性，我们可以更好地保护和管理我们的自然资源，以造福未来的世代。