herkogamy

简明释义

英[hɜːˈkɒɡəmi]美[hɜrˈkɑɡəmi]

雌雄蕊隔离

英英释义

单词用法

同义词

反义词

例句

1.A combination of dichogamy and herkogamy in hermaphroditic plants is an effective mechanism to encourage outcrossing and avoid selfing.

雌雄异熟和异型花在一些被子植物中的共同存在被认为是一种有效避免两性花植物自交并促进异交的机制。

2.A combination of dichogamy and herkogamy in hermaphroditic plants is an effective mechanism to encourage outcrossing.

雌雄异熟和雌雄异位共同存在于两性植物中是一种有效促进异交的机制。

3.A combination of dichogamy and herkogamy in hermaphroditic plants is an effective mechanism to encourage outcrossing and avoid selfing.

雌雄异熟和异型花在一些被子植物中的共同存在被认为是一种有效避免两性花植物自交并促进异交的机制。

4.In many flowering plants, herkogamy serves as a mechanism to promote genetic diversity.

在许多开花植物中，异花授粉作为促进遗传多样性的机制。

5.The concept of herkogamy is crucial in understanding how certain plants prevent self-pollination.

理解某些植物如何防止自花授粉的概念是异花授粉的重要部分。

6.The study of herkogamy can help botanists design better conservation strategies for endangered species.

对异花授粉的研究可以帮助植物学家设计更好的濒危物种保护策略。

7.Understanding the role of herkogamy in plant reproduction is essential for horticulturists.

了解异花授粉在植物繁殖中的作用对园艺师至关重要。

8.Some orchids exhibit herkogamy by having their reproductive organs positioned at different heights.

一些兰花通过将其生殖器官放置在不同高度来表现异花授粉。

作文

In the fascinating world of botany, the concept of herkogamy plays a crucial role in understanding plant reproduction. Herkogamy refers to a specific floral arrangement where the male and female reproductive organs of a flower are positioned at different heights or distances from each other. This spatial separation is an evolutionary strategy that helps to promote cross-pollination among plants, thereby enhancing genetic diversity. By ensuring that pollen from one flower does not easily reach its own stigma, plants can encourage pollinators to transfer pollen between different individuals, which is essential for the survival of many species.The significance of herkogamy can be observed in various flowering plants. For instance, in some species of orchids, the stamens and the pistil are arranged in such a way that they are physically separated, preventing self-pollination. This adaptation not only increases the chances of successful fertilization through cross-pollination but also allows for greater variability in the offspring. Such variability can be advantageous in changing environments, as it may lead to traits that enhance survival and reproduction.Moreover, herkogamy is often accompanied by other mechanisms such as dichogamy, where the maturation of male and female parts occurs at different times. Together, these strategies create a complex system of reproductive isolation that promotes genetic mixing. This is particularly important in ecosystems where competition for resources is fierce, as plants that can adapt through genetic diversity are more likely to thrive.Understanding herkogamy also has practical implications for agriculture and horticulture. Farmers and gardeners can benefit from this knowledge when planning their crops. By selecting varieties that exhibit herkogamy, they can improve fruit set and yield through enhanced pollination. Additionally, recognizing the importance of pollinators in this process emphasizes the need for conservation efforts aimed at protecting these vital creatures. Without healthy populations of bees, butterflies, and other pollinators, the advantages offered by herkogamy could be diminished, leading to lower crop yields and reduced biodiversity.In conclusion, herkogamy is a remarkable example of nature's ingenuity in promoting reproductive success among plants. By understanding this concept, we can appreciate the intricate relationships between plants and their pollinators, as well as the importance of maintaining biodiversity in our ecosystems. As we face challenges such as climate change and habitat loss, recognizing the value of mechanisms like herkogamy can help guide conservation efforts and agricultural practices that support both ecological and human communities. The study of herkogamy not only enriches our knowledge of plant biology but also highlights the interconnectedness of life on Earth.

在植物学的迷人世界中，herkogamy这个概念在理解植物繁殖方面发挥着至关重要的作用。herkogamy指的是一种特定的花卉排列，其中花朵的雄性和雌性生殖器官位于不同的高度或距离。这种空间分离是一种进化策略，有助于促进植物之间的异交授粉，从而增强遗传多样性。通过确保一朵花的花粉不容易到达其自身的柱头，植物可以鼓励传粉者在不同个体之间转移花粉，这对于许多物种的生存至关重要。herkogamy的重要性可以在各种开花植物中观察到。例如，在某些种类的兰花中，雄蕊和雌蕊以这样的方式排列，以至于它们在物理上是分开的，从而防止自我授粉。这种适应不仅增加了通过异交授粉成功受精的机会，而且还允许后代的更大变异性。这种变异性在环境变化时可能是有利的，因为它可能导致增强生存和繁殖的特征。此外，herkogamy通常伴随着其他机制，如异熟，即雄性和雌性部分在不同时间成熟。结合这些策略形成了一种复杂的生殖隔离系统，促进了基因混合。这在资源竞争激烈的生态系统中尤为重要，因为能够通过遗传多样性适应的植物更有可能繁荣。理解herkogamy对农业和园艺也具有实际意义。当农民和园丁在规划作物时，可以从这一知识中受益。通过选择表现出herkogamy的品种，他们可以通过增强授粉来提高果实结实率和产量。此外，认识到传粉者在这一过程中的重要性强调了保护这些重要生物的必要性。如果蜜蜂、蝴蝶和其他传粉者的健康种群受到威胁，那么herkogamy所带来的优势可能会减弱，导致作物产量降低和生物多样性减少。总之，herkogamy是自然在促进植物繁殖成功方面的非凡例证。通过理解这一概念，我们可以欣赏植物与其传粉者之间的复杂关系，以及维持生态系统生物多样性的重要性。面对气候变化和栖息地丧失等挑战，认识到像herkogamy这样的机制的价值可以帮助指导保护工作和支持生态与人类社区的农业实践。对herkogamy的研究不仅丰富了我们对植物生物学的理解，还突显了地球上生命的相互联系。