monocots

简明释义

英[/ˈmɒnəˌkɒt/]美[/ˈmɑːnəˌkɑːt/]

n. 单子叶植物；单子叶植物分支（monocot 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.These results demonstrate that the SOS salt tolerance pathway operates in cereals and evidences a high degree of structural conservation among the SOS proteins from dicots and monocots.

这些结果说明SOS耐盐通路在谷类作物中也存在，同时也说明双子叶植物和单子叶植物中SOS蛋白结构是高度保守的。

2.Rice is one of the most important crops in the world and the model of monocots as well, and its mechanism of disease resistance has been attracting researchers.

水稻作为全世界栽培最为广泛的粮食作物之一和单子叶的模式植物，其抗病性研究非常重要。

3.This paper has reviewed the recent progress of researches on plant recombinant DNA technology in monocots in 1980s.

本文就国际上八十年代植物重组DNA在单子叶作物上的研究作了综述。

4.One duplication occurred 200 million years ago, just before monocots and eudicots arose.

一次加倍发生在2亿年前，即单子叶和双子叶植物出现之前。

5.Rice (Oryza sativa L.) is not only one of the most important food crops in the world, but also a model plant for study of molecular developmental biology in monocots.

水稻是世界上最重要的粮食作为之一，也是单子叶植物发育生物学研究较理想的模式植物。

6.These results demonstrate that the SOS salt tolerance pathway operates in cereals and evidences a high degree of structural conservation among the SOS proteins from dicots and monocots.

这些结果说明SOS耐盐通路在谷类作物中也存在，同时也说明双子叶植物和单子叶植物中SOS蛋白结构是高度保守的。

7.Rice is not only the most important food crop in the world, but also a model plant for study of the molecular developmental biology in monocots.

水稻是世界上最重要的粮食作物之一，也是单子叶植物发育分子生物学研究的理想模式植物。

8.Some orchids are classified as monocots due to their floral structure.

一些兰花因其花的结构被分类为单子叶植物。

9.Corn is a well-known example of a monocot that is widely cultivated for food.

玉米是一个众所周知的单子叶植物的例子，广泛用于食品生产。

10.The leaves of monocots typically have parallel veins.

单子叶植物的叶子通常具有平行的叶脉。

11.In gardening, understanding the differences between monocots and dicots can help you choose the right plants.

在园艺中，理解单子叶植物和双子叶植物之间的差异可以帮助你选择合适的植物。

12.Many common plants, such as grasses and lilies, belong to the group known as monocots.

许多常见植物，如草和百合，属于被称为单子叶植物的类别。

作文

In the world of botany, understanding plant classification is essential for both scientific research and practical applications. One of the primary classifications in the plant kingdom is between monocots and dicots. monocots (单子叶植物) are a group of flowering plants that are characterized by having a single cotyledon, or seed leaf, in their seeds. This simple feature leads to a variety of other distinctions that set them apart from their counterparts, the dicots (双子叶植物). One of the most noticeable characteristics of monocots is their leaf structure. The leaves of monocots typically have parallel veins, which can be seen in plants like grasses, lilies, and orchids. This parallel venation allows for efficient water transport and photosynthesis, making monocots well-suited for various environments, especially in grasslands and wetlands. In contrast, dicots usually have net-like or branched vein patterns, which provide different advantages in terms of structural support and nutrient distribution.Another significant difference lies in the flower structure of monocots. Generally, monocots possess floral parts that are in multiples of three. For example, many flowers of monocots, such as tulips and irises, have three petals and three sepals. This contrasts with dicots, which often have floral parts in multiples of four or five. The diversity of flower structures among monocots contributes to their adaptability and ecological success across various habitats.Furthermore, the root systems of monocots differ from those of dicots. Monocots typically have a fibrous root system, which consists of numerous thin roots that spread out from the base of the stem. This type of root system helps prevent soil erosion and allows the plant to quickly absorb water and nutrients from the surface layer of the soil. In contrast, dicots usually develop a taproot system, where a single, thick root grows deep into the ground, providing stability and access to deeper water sources.From an agricultural perspective, monocots play a crucial role in global food production. Many staple crops, such as rice, wheat, and corn, belong to this group. These plants are not only vital for human consumption but also serve as essential feed for livestock. The cultivation of monocots has led to significant advancements in agricultural practices, including selective breeding and genetic modification, aimed at increasing yield and resistance to pests and diseases.In conclusion, the classification of plants into monocots and dicots provides valuable insights into their biology and ecology. Understanding the unique features of monocots—from their leaf structure and flower arrangements to their root systems—helps us appreciate the diversity of the plant kingdom. Moreover, recognizing the importance of monocots in agriculture underscores their significance in sustaining human life and supporting ecosystems around the world. As we continue to explore and study these fascinating plants, we uncover more about their roles in our environment and their potential for future innovations in agriculture and horticulture.

在植物学的世界中，理解植物分类对科学研究和实际应用至关重要。植物王国中的主要分类之一是单子叶植物（monocots）和双子叶植物（dicots）。monocots（单子叶植物）是一类开花植物，其种子中具有一个子叶或种子叶。这一简单特征导致了许多其他区别，使它们与其对手双子叶植物截然不同。monocots 最显著的特征之一是其叶片结构。monocots 的叶子通常具有平行的脉络，这可以在草、百合和兰花等植物中看到。这种平行的脉络使得水分运输和光合作用效率高，使 monocots 非常适合于各种环境，尤其是在草原和湿地中。相比之下，双子叶植物的叶子通常具有网状或分支的脉络，这在结构支持和养分分配方面提供了不同的优势。另一个显著的区别在于 monocots 的花结构。一般来说，monocots 的花部件是以三的倍数出现。例如，许多 monocots 的花，如郁金香和鸢尾花，具有三片花瓣和三片萼片。这与双子叶植物形成对比，后者的花部件通常是四或五的倍数。monocots 中花的多样性结构有助于它们在各种栖息地中的适应能力和生态成功。此外，monocots 的根系与双子叶植物的根系也有所不同。monocots 通常具有纤维根系，由许多细根从茎基部向外扩展。这种类型的根系有助于防止土壤侵蚀，并使植物能够快速从土壤表层吸收水分和养分。相反，双子叶植物通常发展出主根系统，其中一根粗壮的根深入地下，为植物提供稳定性和获取更深水源的能力。从农业的角度来看，monocots 在全球粮食生产中发挥着至关重要的作用。许多主食作物，如稻米、小麦和玉米，都属于这一类。这些植物不仅对人类消费至关重要，而且还为家畜提供了重要的饲料。对 monocots 的耕种促进了农业实践的重大进步，包括选择性育种和基因改造，旨在提高产量和抵抗害虫和疾病的能力。总之，将植物分类为 monocots 和双子叶植物为它们的生物学和生态提供了宝贵的见解。了解 monocots 的独特特征——从其叶片结构和花卉排列到其根系——帮助我们欣赏植物王国的多样性。此外，认识到 monocots 在农业中的重要性强调了它们在维持人类生活和支持全球生态系统方面的重要性。随着我们继续探索和研究这些迷人的植物，我们会发现它们在环境中的作用以及它们在未来农业和园艺创新中的潜力。