microspore

简明释义

英[ˈmaɪkrəʊspɔː]美[ˈmaɪkrəˌspor]

n. 小孢子；（种子植物的）花粉粒

英英释义

单词用法

同义词

反义词

例句

1.The tapetum of P. hortorum belongs to periplasmodial tapetum. The invasion into the locule occurs when microspore form large vacuole in its cytoplasm.

天竺葵的绒毡层属周原质团绒毡层，其原生质体侵入药室的时间发生在小孢子中大液泡开始形成的时期。

2.We obtain haploid by isolated microspore culture, and the pure-line is very useful in Purple Flowering Stalks breeding.

利用游离小孢子培养技术获得单倍体，所获纯合系在育种上有较高利用价值。

3.Microspore development showed correlativity with the morphological characteristics of buds, and the color of anthers.

孢子发育时期与花蕾形态特征、花药颜色具有相关性。

4.The effects of colchicine on in vitro microspore embryogenesis of Brassica napus were investigated using 23 genotypes.

研究了秋水仙碱不同浓度和处理时间对甘蓝型油菜23个基因型离体小孢子胚胎发生的影响。

5.It is of great interrelation between cytology growing period of strawberry's microspore and the outside shape and size of flower organ.

草莓小孢子细胞学发育时期与花器外部形态、大小密切相关。

6.The best development period for microspore culture is monokaryotic stage;

小孢子离体培养的最佳发育时期是单核期；

7.The principle and structure of rice microspore microscopy image collection and analysis system are discussed.

文章描述了水稻花粉颗粒显微图像采集与分析系统的原理及结构。

8.Studying the microspore can provide insights into plant reproduction.

研究微孢子可以为植物繁殖提供见解。

9.In ferns, the microspore undergoes mitosis to form male gametophytes.

在蕨类植物中，微孢子通过有丝分裂形成雄配子体。

10.Under the right conditions, a microspore can develop into a pollen grain.

在适当的条件下，微孢子可以发育成花粉粒。

11.The process of pollen formation begins with the development of a single microspore.

花粉形成的过程始于一个单一的微孢子的发展。

12.The microspore is crucial for the fertilization process in seed plants.

微孢子对于种子植物的受精过程至关重要。

作文

In the fascinating world of botany, the study of plant reproduction reveals intricate processes that ensure the survival and diversity of plant species. One of the critical components in this reproductive cycle is the microspore, a term that refers to the smaller type of spore produced by seed plants and certain ferns. Understanding the role of the microspore is essential for grasping how plants propagate and adapt to their environments.The microspore is typically formed within the anthers of flowering plants, where it undergoes meiosis, a process that reduces the chromosome number by half. This reduction is crucial because it allows for genetic variation when the microspore develops into pollen grains. Each microspore can eventually give rise to a male gametophyte, which is responsible for fertilizing the ovules in the female reproductive structures of plants.Moreover, the significance of the microspore extends beyond mere reproduction. It plays a vital role in the evolutionary success of plants. For instance, the ability of plants to produce microspores enables them to adapt to various environmental conditions. In harsh climates, certain plants may produce more microspores to increase the chances of successful fertilization and seed production. This adaptability is a key factor in the survival of many plant species, allowing them to thrive in diverse ecosystems.Furthermore, the study of microspores has implications for agriculture and horticulture. By understanding how microspores function, scientists and farmers can develop strategies to enhance crop yields and improve plant resilience against diseases. For example, manipulating the conditions under which microspores are produced could lead to the development of hybrid plants that are more productive and resistant to environmental stressors.In addition to their practical applications, microspores also contribute to our understanding of plant evolution. Fossil records indicate that the structure and formation of microspores have changed over millions of years, providing insights into how plants have evolved in response to changing climates and habitats. By studying these changes, researchers can gain a deeper understanding of the history of life on Earth and the factors that drive biodiversity.In conclusion, the microspore is a fundamental element in the reproductive cycle of plants, playing a crucial role in ensuring their survival and adaptability. Its importance extends beyond reproduction to influence agricultural practices and provide insights into plant evolution. As we continue to explore the complexities of plant biology, the microspore remains a key focus for researchers seeking to unlock the secrets of plant life and its interactions with the environment. Understanding the microspore not only enriches our knowledge of botany but also enhances our ability to cultivate and conserve plant species for future generations.

在植物学这个迷人的世界中，植物繁殖的研究揭示了确保植物物种生存和多样性的复杂过程。其中一个关键组成部分是微孢子，这是一个术语，指的是种子植物和某些蕨类植物产生的较小类型的孢子。理解微孢子的作用对于掌握植物如何繁殖和适应环境至关重要。微孢子通常在开花植物的花药中形成，在那里它经历减数分裂，这一过程将染色体数量减少一半。这种减少至关重要，因为它允许在微孢子发育成花粉粒时产生遗传变异。每个微孢子最终可以产生一个雄性配子体，负责在植物的雌性生殖结构中授精卵子。此外，微孢子的重要性超越了单纯的繁殖。它在植物的进化成功中发挥着重要作用。例如，植物能够产生微孢子使它们能够适应各种环境条件。在恶劣气候条件下，某些植物可能会产生更多的微孢子以增加成功授精和种子生产的机会。这种适应能力是许多植物物种生存的关键因素，使它们能够在多样的生态系统中茁壮成长。此外，微孢子的研究对农业和园艺也有影响。通过理解微孢子的功能，科学家和农民可以制定策略来提高作物产量并改善植物抵御疾病的能力。例如，操控微孢子产生的条件可能导致更具生产力和抗环境压力的杂交植物的发展。除了其实际应用外，微孢子还为我们理解植物进化提供了贡献。化石记录表明，微孢子的结构和形成在数百万年间发生了变化，为我们提供了植物如何响应气候变化和栖息地变化而进化的见解。通过研究这些变化，研究人员可以更深入地理解地球生命的历史以及驱动生物多样性的因素。总之，微孢子是植物繁殖周期中的基本元素，在确保植物的生存和适应性方面发挥着关键作用。它的重要性不仅限于繁殖，还影响农业实践，并为植物进化提供见解。当我们继续探索植物生物学的复杂性时，微孢子仍然是研究人员寻求解锁植物生命及其与环境相互作用秘密的关键焦点。理解微孢子不仅丰富了我们对植物学的知识，还增强了我们培养和保护植物物种以供未来世代使用的能力。