abortive pollen

简明释义

1. 败育花粉; 2. 发育不全的花粉;

英英释义

例句

1.Understanding the mechanisms behind abortive pollen 无效花粉 formation can lead to better breeding strategies.

理解无效花粉形成背后的机制可以导致更好的育种策略。

2.The study revealed that the presence of abortive pollen 无效花粉 can significantly affect the fertilization process in plants.

研究表明，无效花粉的存在可能会显著影响植物的授粉过程。

3.In agricultural practices, managing abortive pollen 无效花粉 is crucial for ensuring higher crop yields.

在农业实践中，管理无效花粉对确保更高的作物产量至关重要。

4.Researchers are investigating how abortive pollen 无效花粉 contributes to the decline of certain plant species.

研究人员正在调查无效花粉如何导致某些植物物种的衰退。

5.The genetic analysis showed a high rate of abortive pollen 无效花粉 production in the hybrid plants.

基因分析显示杂交植物中有高比例的无效花粉产生。

作文

In the world of botany, understanding the reproductive mechanisms of plants is crucial for both ecological studies and agricultural practices. One term that often comes up in discussions about plant reproduction is abortive pollen. This term refers to pollen grains that fail to germinate or develop properly after being produced by a plant. The occurrence of abortive pollen can have significant implications for plant fertility and the overall reproductive success of a species.Pollen is essential for the fertilization process in flowering plants. It carries the male gametes and is transferred to the female stigma during pollination. However, not all pollen grains are viable. Factors such as environmental stress, genetic issues, or even diseases can lead to the production of abortive pollen. When these non-viable pollen grains are produced in large quantities, they can reduce the chances of successful fertilization, leading to lower seed set and potentially impacting the population dynamics of the species.The presence of abortive pollen can also be influenced by environmental factors. For example, extreme temperatures, drought, or nutrient deficiencies can affect the quality of pollen produced. In agricultural contexts, this is particularly important because crops rely on successful pollination for yield. Farmers need to be aware of the conditions that may lead to increased levels of abortive pollen to mitigate potential losses in crop production.Moreover, understanding abortive pollen is vital for conservation efforts. Many plant species are threatened by habitat loss and climate change, which can exacerbate the production of non-viable pollen. By studying the factors that contribute to abortive pollen, conservationists can develop strategies to protect endangered species and maintain biodiversity.In addition to its ecological implications, abortive pollen also has relevance in plant breeding programs. Breeders aim to select for traits that enhance pollen viability and overall reproductive success. By identifying and minimizing the factors that lead to abortive pollen, breeders can improve the outcomes of their programs, resulting in more resilient and productive plant varieties.In conclusion, the concept of abortive pollen plays a critical role in our understanding of plant reproduction and its implications for ecology and agriculture. As we face the challenges of climate change and habitat destruction, recognizing the importance of viable pollen will be essential for ensuring the survival of plant species and the sustainability of our agricultural systems. Research into the causes and effects of abortive pollen will continue to be a vital area of study in the field of botany, contributing to our knowledge of plant biology and informing practical applications in farming and conservation.

在植物学的世界中，理解植物的繁殖机制对于生态研究和农业实践至关重要。一个常常出现在植物繁殖讨论中的术语是abortive pollen。这个术语指的是那些未能发芽或在被植物产生后未能正常发展的花粉粒。abortive pollen的出现可能对植物的生育能力和一个物种的整体繁殖成功产生重大影响。花粉对开花植物的受精过程至关重要。它携带雄性配子，并在授粉过程中转移到雌蕊的柱头上。然而，并非所有的花粉粒都是可行的。环境压力、遗传问题甚至疾病等因素都可能导致abortive pollen的产生。当这些非活性花粉粒大量产生时，它们可能会降低成功受精的机会，导致种子产量下降，并可能影响物种的人口动态。abortive pollen的存在也受到环境因素的影响。例如，极端温度、干旱或营养缺乏可能会影响所产生花粉的质量。在农业环境中，这一点尤其重要，因为作物依赖成功授粉来获得产量。农民需要意识到可能导致abortive pollen水平增加的条件，以减轻潜在的作物生产损失。此外，理解abortive pollen对于保护工作也至关重要。许多植物物种受到栖息地丧失和气候变化的威胁，这可能加剧非活性花粉的产生。通过研究导致abortive pollen的因素，保护主义者可以制定策略来保护濒危物种并维持生物多样性。除了生态意义外，abortive pollen在植物育种计划中也具有相关性。育种者旨在选择增强花粉活力和整体繁殖成功的特征。通过识别和最小化导致abortive pollen的因素，育种者可以改善其计划的结果，从而产生更具韧性和高产的植物品种。总之，abortive pollen的概念在我们理解植物繁殖及其对生态和农业的影响中发挥着关键作用。随着我们面临气候变化和栖息地破坏的挑战，认识到可行花粉的重要性对于确保植物物种的生存和农业系统的可持续性至关重要。对abortive pollen的原因和影响的研究将继续成为植物学领域的重要研究方向，为我们提供植物生物学的知识，并为农业和保护的实际应用提供信息。