gibberellins

简明释义

英[ˌdʒɪbəˈrɛlɪnz]美[ˌdʒɪbəˈrɛlɪnz]

n. [农药]赤霉素（gibberellin 的复数形式）；激勃素

英英释义

单词用法

同义词

反义词

例句

1.A new method is presented for the spectrophotometric determination of Gibberellins, which is based on the reaction of phosphorus-molybdenum heteropoly acid with Gibberellins.

本文研究了赤霉素在磷钼杂多蓝形成反应中的现象，通过正交试验比较并优化了实验条件，建立了测定赤霉素的杂多酸光度法。

2.A new method is presented for the spectrophotometric determination of Gibberellins, which is based on the reaction of phosphorus-molybdenum heteropoly acid with Gibberellins.

本文研究了赤霉素在磷钼杂多蓝形成反应中的现象，通过正交试验比较并优化了实验条件，建立了测定赤霉素的杂多酸光度法。

3.In this article we cloned two crucial gibberellins biosynthesis enzyme genes: ent - kaurene oxidase and 20 - oxidase, and we investigated their expression patterns. 1.

本文克隆了赤霉素生物合成途径中关键合成酶：贝壳杉烯氧化酶和20-氧化酶，并研究了二者在果树生长发育中的表达规律。

4.Gibberellins (GA) or Girdling (GIR) treatment inhibited or promoted 'Anliucheng' Orange flower-bud differentiation respectively.

赤霉素或环剥处理分别对暗柳橙的花芽分化起阻遏或促进怍用。

5.Farmers often use gibberellins to promote flowering in fruit trees.

农民经常使用赤霉素来促进果树开花。

6.The role of gibberellins in stem elongation is well documented in botanical studies.

在植物学研究中，赤霉素在茎伸长中的作用有充分的文献记录。

7.Some varieties of rice are known to respond positively to gibberellins treatment.

一些稻米品种已知对赤霉素处理有积极反应。

8.Researchers are studying how gibberellins affect seed germination in various crops.

研究人员正在研究赤霉素如何影响各种作物的种子发芽。

9.The application of gibberellins can significantly enhance the growth rate of certain plants.

施用赤霉素可以显著提高某些植物的生长速度。

作文

In the world of plant biology, one cannot overlook the significance of hormones that regulate growth and development. Among these vital substances are gibberellins, a group of plant hormones that play a crucial role in various physiological processes. Discovered in the early 20th century, gibberellins were first identified through their effect on the growth of rice seedlings infected by the fungus Gibberella fujikuroi. This discovery opened up a new realm of understanding regarding how plants grow and respond to their environment.Gibberellins are known for their ability to promote stem elongation, seed germination, and flowering. They work by stimulating cell division and elongation, which leads to increased growth rates in plants. For example, when seeds absorb water, they release gibberellins, which trigger the enzymes responsible for breaking down stored food reserves, providing the necessary energy for the seedling to grow. This process is essential for the successful germination of many plant species.Moreover, gibberellins have been found to influence flowering in many plants. Certain species require specific environmental cues, such as temperature and light duration, to flower. However, the presence of gibberellins can override these conditions, allowing plants to bloom even when environmental factors are not ideal. This characteristic is particularly beneficial in agricultural practices, where farmers can manipulate hormone levels to enhance crop yield and ensure timely flowering.The application of gibberellins in agriculture has revolutionized the way we cultivate crops. By using synthetic versions of these hormones, farmers can achieve desired growth patterns and improve fruit size and quality. For instance, the application of gibberellins can lead to larger grapes, which are more appealing to consumers. This not only increases marketability but also boosts the overall productivity of the farming sector.However, the use of gibberellins is not without its challenges. Excessive application can lead to abnormal growth patterns or reduced resistance to diseases. Therefore, it is crucial for farmers to understand the correct dosage and timing for applying these hormones to maximize benefits while minimizing potential drawbacks.In addition to their agricultural applications, gibberellins are also important in research settings. Scientists study these hormones to gain insights into plant development and to explore their potential in genetic engineering. By manipulating the pathways involved in gibberellins production, researchers aim to create plant varieties that can thrive in adverse conditions, such as drought or poor soil quality.In conclusion, gibberellins are essential plant hormones that significantly influence growth and development. Their discovery has paved the way for advancements in agriculture and plant science. As we continue to explore the complexities of plant biology, understanding gibberellins will undoubtedly remain a key focus, offering opportunities for innovation in crop production and sustainability. The future of agriculture may very well depend on our ability to harness the power of these remarkable hormones, ensuring food security for generations to come.

生长素是植物生物学中不可忽视的重要激素，它们调节植物的生长和发育。在这些重要物质中，生长素是一组植物激素，在各种生理过程中发挥着关键作用。早在20世纪初，生长素首次被发现，是通过其对感染了真菌Gibberella fujikuroi的水稻幼苗生长的影响而识别出来的。这一发现开启了对植物如何生长和响应环境的新理解领域。生长素以促进茎的伸长、种子的萌发和开花而闻名。它们通过刺激细胞分裂和伸长来发挥作用，这导致植物的生长速度增加。例如，当种子吸收水分时，它们释放生长素，从而触发分解储存食物的酶，为幼苗的生长提供必要的能量。这个过程对于许多植物物种的成功萌发至关重要。此外，生长素还被发现会影响许多植物的开花。某些物种需要特定的环境线索，例如温度和光照时长，才能开花。然而，生长素的存在可以覆盖这些条件，使植物即使在不理想的环境因素下也能开花。这一特性在农业实践中尤其有利，农民可以操控激素水平以增强作物产量并确保及时开花。在农业中应用生长素已经彻底改变了我们培育作物的方式。通过使用这些激素的合成版本，农民可以实现所需的生长模式，提高水果的大小和质量。例如，施用生长素可以导致更大的葡萄，这对消费者更具吸引力。这不仅增加了市场竞争力，还提高了农业部门的整体生产力。然而，生长素的使用并非没有挑战。过量施用可能导致异常的生长模式或降低对疾病的抵抗力。因此，农民必须了解施用这些激素的正确剂量和时间，以最大化收益，同时最小化潜在的缺点。除了农业应用，生长素在研究领域也很重要。科学家们研究这些激素，以深入了解植物的发育，并探索它们在基因工程中的潜力。通过操控与生长素生产相关的途径，研究人员旨在创造出能够在逆境条件下生存的植物品种，例如干旱或贫瘠的土壤。总之，生长素是对生长和发育有重要影响的植物激素。它们的发现为农业和植物科学的进步铺平了道路。随着我们继续探索植物生物学的复杂性，理解生长素无疑将仍然是一个关键焦点，为作物生产和可持续性创新提供机会。农业的未来很可能取决于我们利用这些显著激素的能力，从而确保几代人的粮食安全。