anthesis

简明释义

英[ænˈθiːsɪs]美[ænˈθisɪs]

n. [植] 开花；开花期

复 数 a n t h e s e s

英英释义

单词用法

同义词

反义词

例句

1.Under these conditions, selection for secondary traits, such as anthesis silking interval and ear per plant, may increase the selection efficiency.

在干旱条件下，寻找遗传力高且与产量高度相关的第二类性状，构建选择指标，可提高耐旱选择效率。

2.Only 5 plants in the first year and 3 plants in the second year matched the criterion of self-incompatibility that CI was less than 1 at anthesis and more than 5 at the bud stage.

第一年有5个株系、第二年有3个株系符合花期自交亲和指数小于1，蕾期自交亲和指数大于5的选择标准。

3.In peas there is an initial deposition of materials in the endosperm following anthesis.

豌豆中紧随开花期之后胚乳开始有物质积累。

4.The SPS increased under the moderate water deficit, while it decreased under the severe water dificit in anthesis stage.

灌浆期四种小麦旗叶SPS活性随着水分胁迫程度的增加而降低。

5.The results showed that: (1) Genetic parameters of canopy temperature were smaller and unstable before 21 days after anthesis, but were bigger and increased gradually after 21 days after anthesis.

结果表明：(1)在小麦开花后21天以前冠层温度的各遗传参数的值均较小，且变化不稳定，在开花后21天以后，均较大，且随灌浆进程有增加的趋势。

6.On the fifth day after anthesis, about 57.69% of the embryo sacs matured and the rest degenerated or failed to develop.

证实短柄五加为雄蕊先熟植物。 开花第5天，成熟胚囊的比率为5769％，其余为退化和不育胚囊。

7.Grain water content declined continuously after anthesis.

花后籽粒含水量则不断下降。

8.The results showed that starting from 14 days after anthesis, root senescence of winter wheat was accelerated, corresponding with the peak stage of grain filling rate.

结果表明，冬小麦根系从开花后14天开始加速衰老，与籽粒灌浆速率高峰期相对应。

9.At anthesis 15 species of visiting insects were observed.

盛花期约有访花昆虫15种。

10.Researchers studied the environmental factors affecting the anthesis of various species.

研究人员研究了影响各种物种anthesis的环境因素。

11.During the anthesis phase, the pollen is released, making it crucial for reproduction.

在anthesis阶段，花粉被释放，这对繁殖至关重要。

12.In agriculture, understanding the timing of anthesis is essential for optimizing crop yields.

在农业中，了解anthesis的时机对于优化作物产量至关重要。

13.The flowering period of the plant is marked by its anthesis, which refers to the time when flowers open and are ready for pollination.

植物的开花期以其anthesis为标志，指的是花朵开放并准备授粉的时间。

14.The duration of anthesis can vary significantly between different types of flowers.

不同类型的花朵之间，anthesis的持续时间可能会有显著差异。

作文

In the world of botany, understanding the various stages of plant development is crucial for both enthusiasts and professionals alike. One such stage that holds significant importance is anthesis, which refers to the period during which a flower is fully open and functional. This phase is not just a beautiful spectacle but also a critical time for reproduction in flowering plants. During anthesis（开花期）, the reproductive organs of the flower become mature, allowing for pollination to occur. Pollinators, such as bees and butterflies, are attracted to the vibrant colors and enticing scents of flowers at this stage, leading to successful fertilization. The process of anthesis is influenced by various environmental factors, including temperature, light, and humidity. For instance, many plants will only open their flowers under specific conditions, ensuring that they maximize their chances of attracting pollinators. The timing of anthesis can vary widely among different species; some flowers bloom in the early morning, while others may wait until dusk. This variation can be an evolutionary advantage, allowing plants to reduce competition for pollinators by staggering their blooming times.Moreover, the duration of anthesis can also differ significantly. Some flowers may remain open for just a few hours, while others might last several days. This duration is often linked to the plant's reproductive strategy. For example, species that rely heavily on wind pollination may have shorter anthesis periods since they do not depend on pollinators to transfer pollen. In contrast, plants that require specific pollinators may keep their flowers open longer to increase the likelihood of successful mating.Understanding anthesis is not only essential for those studying plant biology but also for agricultural practices. Farmers and horticulturists must be aware of when their crops will enter this phase to optimize pollination and, consequently, fruit and seed production. By carefully managing conditions that affect anthesis, such as irrigation and pest control, they can enhance crop yields and ensure food security.Additionally, the study of anthesis has broader implications for biodiversity conservation. Many ecosystems rely on the intricate relationships between flowering plants and their pollinators. By protecting habitats that support diverse plant species, we can help maintain the delicate balance necessary for thriving populations of both flora and fauna. Conservation efforts often focus on preserving the natural cycles of anthesis and pollination, recognizing their vital roles in ecosystem health.In conclusion, anthesis is a pivotal stage in the life cycle of flowering plants, marked by the opening of blooms and the readiness for reproduction. It encompasses a range of biological and ecological processes that are fundamental to plant survival and reproduction. Recognizing the significance of anthesis allows us to appreciate the beauty of nature and the complex interactions that sustain life on Earth. Whether one is a botanist, farmer, or simply a nature lover, understanding anthesis enriches our knowledge of the natural world and underscores the importance of preserving it for future generations.

在植物学的世界中，理解植物生长的各个阶段对爱好者和专业人士来说都是至关重要的。其中一个具有重要意义的阶段是anthesis，指的是花朵完全开放并具备功能的时期。这个阶段不仅是一个美丽的景象，也是开花植物繁殖的关键时刻。在anthesis（开花期）期间，花朵的生殖器官成熟，使得授粉能够发生。蜜蜂和蝴蝶等授粉者被花朵在这一阶段的鲜艳色彩和诱人香气所吸引，从而实现成功的受精。anthesis的过程受到多种环境因素的影响，包括温度、光照和湿度。例如，许多植物只有在特定条件下才会开放花朵，以确保它们最大限度地吸引授粉者。anthesis的时机在不同物种之间可能有很大差异；有些花在清晨绽放，而另一些则可能等到黄昏。这种变化可以作为一种进化优势，使植物通过错开开花时间来减少授粉者之间的竞争。此外，anthesis的持续时间也可能显著不同。有些花可能只开放几个小时，而其他花可能会持续几天。这种持续时间通常与植物的繁殖策略有关。例如，依赖风授粉的物种可能有较短的anthesis周期，因为它们不依赖授粉者来传播花粉。相反，需要特定授粉者的植物可能会让花朵开放更久，以增加成功交配的可能性。理解anthesis不仅对研究植物生物学的人至关重要，也对农业实践有着重要意义。农民和园艺师必须意识到他们的作物何时进入这一阶段，以优化授粉，从而提高果实和种子的产量。通过仔细管理影响anthesis的条件，如灌溉和病虫害控制，他们可以提高作物产量，确保粮食安全。此外，anthesis的研究对生物多样性保护也有更广泛的意义。许多生态系统依赖于开花植物与其授粉者之间的复杂关系。通过保护支持多样植物物种的栖息地，我们可以帮助维持繁荣的动植物种群所需的微妙平衡。保护工作通常专注于保护anthesis和授粉的自然周期，认识到它们在生态系统健康中的重要作用。总之，anthesis是开花植物生命周期中的一个关键阶段，其特征是花朵的开放和繁殖的准备。它涵盖了一系列对植物生存和繁殖至关重要的生物和生态过程。认识到anthesis的重要性使我们能够欣赏自然的美丽以及维持生命的复杂相互作用。无论是植物学家、农民还是单纯的自然爱好者，理解anthesis都丰富了我们对自然界的知识，并强调了保护自然以造福后代的重要性。