parthenocarpy

简明释义

英[pɑːˈθiːnəʊˌkɑːpi]美[ˈpɑrθənoˈkɑrpi]

n. [植] 单性结实；未经授粉而结果

英英释义

单词用法

同义词

反义词

例句

1.Molecular genetic research reveals that some endogenous genes in plants are responsible for parthenocarpy, even that some genes derived from bacteria can regulate the production of plant hormones.

分子遗传研究表明，植物基因组中含有影响单性结实的基因，某些来自于细菌的基因也可在植物激素生物合成途径中起调节作用。

2.Molecular genetic research reveals that some endogenous genes in plants are responsible for parthenocarpy, even that some genes derived from bacteria can regulate the production of plant hormones.

分子遗传研究表明，植物基因组中含有影响单性结实的基因，某些来自于细菌的基因也可在植物激素生物合成途径中起调节作用。

3.The gene can ensure that a transgenic plant produces the parthenocarpy, thereby improving the quality, prolonging the preservation storage period, and having a simple operation method.

本发明的基因可以使转基因植物发生单性结实，从而提高品质，延长保鲜贮藏期，并且操作方法简单。

4.Sucrose synthase activity of EP-6 fruit was higher than that of ZR-2 and such difference might be one of main reason resulting in cucumber parthenocarpy.

单性结实品系EP-6的蔗糖合成酶活性含量明显高于非单性结实品系ZR-2，这可能是导致两个品种单性结实性产生明显差异的主要原因之一。

5.The CPPU is a kind of novel plant growth regulator which has higher activities in promoting cell division, fruit setting and inducing parthenocarpy.

CPPU是一种新型植物生长调节剂，具有促进细胞分裂、促进座果、诱导单性结实等特点，在农业、园艺等领域有广泛的应用。

6.CPPU not only showed high activity in inducing parthenocarpy, the parthenocarpy set was as high as 100%, but also promoted the fruit development.

而CPPU处理不仅座果率高达100%，而且促进果实的生长产生单性结实果。

7.As the result shows, the tested material is a kind of temperature-sensitive parthenocarpy and express this characteristic under low temperature.

试验结果表明，供试材料的单性结实性属于温度敏感型，在低温下表达。

8.The phenomenon of parthenocarpy is often utilized in the cultivation of seedless fruits.

无核水果的种植常常利用孤雌生殖现象。

9.Researchers are studying parthenocarpy to enhance fruit production without the need for pollination.

研究人员正在研究孤雌生殖以增强水果生产，而无需授粉。

10.Tomatoes are a common example of parthenocarpy, producing fruit without fertilization.

番茄是孤雌生殖的一个常见例子，能够在没有受精的情况下产生果实。

11.The use of parthenocarpy can lead to higher yields in commercial fruit farming.

使用孤雌生殖可以在商业水果种植中获得更高的产量。

12.Certain varieties of cucumbers exhibit parthenocarpy, making them ideal for greenhouse cultivation.

某些品种的黄瓜表现出孤雌生殖，使它们非常适合温室种植。

作文

In the world of botany, many fascinating processes govern the growth and development of plants. One such process is known as parthenocarpy, which refers to the development of fruit without fertilization. This phenomenon is particularly interesting because it allows for the production of seedless fruits, which are often more desirable to consumers. For instance, many varieties of bananas and grapes that we enjoy today are products of parthenocarpy. These fruits not only offer convenience but also appeal to those who prefer not to deal with seeds while eating. The mechanism behind parthenocarpy involves the hormonal regulation within the plant. In many cases, the absence of pollination triggers a specific hormonal response that leads to fruit development. This can be advantageous in agricultural practices, as it allows farmers to cultivate crops that do not require pollination, thus reducing the dependency on pollinators like bees. As the global bee population faces threats from pesticides and habitat loss, parthenocarpy presents a potential solution to ensure food security. Moreover, parthenocarpy can also be induced artificially through various techniques, including the application of plant hormones such as auxins and gibberellins. This has significant implications for agriculture, as it can enhance fruit yield and quality. By understanding and manipulating the conditions that lead to parthenocarpy, farmers can produce more robust crops that meet the demands of modern consumers. In addition to its agricultural benefits, parthenocarpy also holds ecological significance. Seedless fruits can sometimes lead to changes in plant-pollinator interactions, as these plants may attract different types of pollinators or even alter the behavior of existing ones. This can have cascading effects on local ecosystems, influencing everything from plant diversity to the availability of food sources for various animal species. However, it is essential to consider the potential drawbacks of relying heavily on parthenocarpy in agriculture. While seedless fruits are convenient, they may lack some genetic diversity that seeds provide. This genetic diversity is crucial for the resilience of crops against diseases and changing environmental conditions. Therefore, while parthenocarpy offers promising advantages, it is vital to balance its use with traditional breeding methods that emphasize seed production. In conclusion, parthenocarpy is a remarkable botanical process that enables the development of fruit without fertilization, leading to the creation of seedless varieties that are popular among consumers. Its implications for agriculture, ecology, and food security are profound. As we continue to explore the complexities of plant biology, understanding processes like parthenocarpy will be essential for developing sustainable agricultural practices that can adapt to the challenges of the future. By leveraging this knowledge, we can work towards a more efficient and resilient food system, ensuring that we can feed the growing global population while also preserving our natural ecosystems.

在植物学的世界中，许多迷人的过程支配着植物的生长和发展。其中一个过程被称为孤雌生殖，指的是在没有受精的情况下果实的发展。这种现象特别有趣，因为它允许生产无籽水果，这些水果通常更受消费者欢迎。例如，我们今天享用的许多香蕉和葡萄品种都是孤雌生殖的产物。这些水果不仅方便，而且吸引那些在吃的时候不想处理种子的人。 孤雌生殖背后的机制涉及植物内部的激素调节。在许多情况下，缺乏授粉会触发特定的激素反应，导致果实的发展。这在农业实践中是有利的，因为它允许农民种植不需要授粉的作物，从而减少对蜜蜂等授粉者的依赖。随着全球蜜蜂种群面临来自农药和栖息地丧失的威胁，孤雌生殖提供了一种确保粮食安全的潜在解决方案。 此外，孤雌生殖还可以通过各种技术人工诱导，包括施用植物激素如生长素和赤霉素。这对农业具有重要意义，因为它可以提高水果的产量和质量。通过理解和操控导致孤雌生殖的条件，农民可以生产出更强健的作物，以满足现代消费者的需求。 除了农业的好处，孤雌生殖还具有生态意义。无籽水果有时会导致植物与授粉者之间的相互作用发生变化，因为这些植物可能吸引不同类型的授粉者，甚至改变现有授粉者的行为。这可能对当地生态系统产生连锁效应，影响从植物多样性到各种动物物种食物来源的方方面面。 然而，依赖孤雌生殖进行农业生产的潜在缺点也必须考虑。虽然无籽水果很方便，但它们可能缺乏种子所提供的一些遗传多样性。这种遗传多样性对于作物抵御疾病和应对环境变化至关重要。因此，尽管孤雌生殖提供了令人鼓舞的优势，但在强调种子生产的传统育种方法与其使用之间保持平衡是至关重要的。 总之，孤雌生殖是一种显著的植物过程，使得在没有受精的情况下果实得以发展，从而创造出深受消费者欢迎的无籽品种。它对农业、生态和粮食安全的影响深远。随着我们继续探索植物生物学的复杂性，理解像孤雌生殖这样的过程将对开发能够适应未来挑战的可持续农业实践至关重要。通过利用这一知识，我们可以朝着更高效、更具韧性的食品系统努力，确保我们能够在保护自然生态系统的同时养活日益增长的全球人口。