germplasm

简明释义

英[ˈdʒɜːm.plæz.əm]美[ˈdʒɜrmˌplæz.əm]

n. [胚][遗] 种质（经生殖细胞传递的遗传物质）；胚质；生殖质（决定性细胞分化的卵质成分）

英英释义

单词用法

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例句

1.Dry and common temperature storage is one of the main storage methods of plants germplasm.

常温干燥贮藏是植物种质资源保存的重要方式之一。

2.Introduction of tropical germplasm is one of the ways for extending the genetic basis of maize germplasm and parental inbred lines.

导入热带种质是拓宽我国玉米种质遗传基础，改变现有亲本自交系遗传基础狭窄的途径之一。

3.They searched for germplasm that could keep plants from weakening and wilting during hot summers in the United States.

他们研究可以阻止植物在美国炎热的夏天弱化和枯萎的种质。

4.A new identifying method relating with fish germplasm identifying, the serum transferrin identifying method of breeding fishes was introduced.

本文介绍了与鱼类种质鉴定相关的一种新的鉴定方法———养殖鱼类血清转铁蛋白鉴定法。

5.A new identifying method relating with fish germplasm identifying, the serum transferrin identifying method of breeding fishes was introduced.

本文介绍了与鱼类种质鉴定相关的一种新的鉴定方法———养殖鱼类血清转铁蛋白鉴定法。

6.The guidelines are intended as best possible advice to institutions involved in germplasm exchange for research, conservation and plant breeding.

准则旨在向进行种质研究、保存和作物育种交流的机构提供最佳建议。

7.China is rich in pear germplasm and cultivar resources, and is the greatest pear production country in the world.

我国梨的种质和品种资源丰富、栽培面积大，是世界上梨栽培面积最大、产量最多的国家。

8.Germplasm is the base of the plant breeding.

种质资源是遗传育种的基础。

9.Researchers are studying the genetic diversity of the plant's germplasm 种质 to improve crop resilience.

研究人员正在研究这种植物的germplasm 种质的遗传多样性，以提高作物的抗逆性。

10.The conservation of germplasm 种质 is crucial for future food security.

保护germplasm 种质对未来的粮食安全至关重要。

11.Farmers can access a variety of germplasm 种质 resources through agricultural research centers.

农民可以通过农业研究中心获取各种germplasm 种质资源。

12.The germplasm 种质 bank stores seeds from endangered plant species.

该germplasm 种质库储存濒危植物物种的种子。

13.Using advanced techniques, scientists can analyze the germplasm 种质 for disease resistance traits.

利用先进技术，科学家可以分析germplasm 种质的抗病特性。

作文

In the field of agriculture and plant breeding, the term germplasm refers to the genetic material that is preserved for the purpose of breeding new varieties or maintaining existing ones. This genetic material can come from seeds, tissues, or even entire plants. The importance of germplasm cannot be overstated, as it serves as the foundation for developing crops that are resilient to diseases, pests, and changing environmental conditions. Without a diverse pool of germplasm, the agricultural sector would struggle to adapt to the challenges posed by climate change and global food security issues. One of the primary roles of germplasm is to provide genetic diversity, which is essential for the survival and adaptability of plant species. For instance, when breeders create new crop varieties, they rely on germplasm collections that house a wide range of traits, including resistance to specific pathogens or tolerance to drought. By cross-breeding different plants with desirable traits, breeders can produce hybrids that outperform their parents in yield and resilience. Moreover, the conservation of germplasm is vital for future generations. As certain plant species face extinction due to habitat loss, climate change, and human activities, preserving their germplasm becomes crucial. Seed banks and gene banks play a significant role in this conservation effort, storing seeds and other genetic materials in controlled environments to ensure their viability over time. These repositories not only safeguard existing biodiversity but also provide resources for research and breeding programs aimed at improving crop performance. The significance of germplasm extends beyond agriculture; it also has implications for biodiversity and ecosystem health. A diverse gene pool contributes to the overall resilience of ecosystems, allowing them to better withstand environmental stresses. In this sense, germplasm is not just about individual crops but is part of a larger ecological framework that supports life on Earth. In recent years, advancements in biotechnology have opened new avenues for utilizing germplasm. Techniques such as genetic engineering and molecular markers enable scientists to identify and manipulate specific genes associated with desirable traits. This precision allows for faster and more efficient breeding processes, ultimately leading to the development of improved crop varieties that can address food security challenges. However, the use of germplasm in biotechnology also raises ethical and ecological questions. Concerns about genetically modified organisms (GMOs) and their impact on natural ecosystems have sparked debates among scientists, policymakers, and the public. It is essential to approach the use of germplasm with caution and responsibility, ensuring that the benefits outweigh any potential risks. In conclusion, germplasm is a fundamental concept in agriculture and plant breeding that encompasses the genetic diversity necessary for developing resilient crops. Its preservation is crucial for maintaining biodiversity and ensuring food security in the face of global challenges. As we continue to explore the potential of germplasm through innovative technologies, we must also remain mindful of the ethical implications and strive for sustainable practices that benefit both humanity and the environment.

种质在农业和植物育种领域中，指的是为了培育新变种或维持现有变种而保存的遗传物质。这些遗传物质可以来自种子、组织，甚至整株植物。种质的重要性不言而喻，因为它是开发抗病、抗虫和适应变化环境条件的作物的基础。如果没有多样化的种质库，农业部门将难以应对气候变化和全球粮食安全问题带来的挑战。 种质的主要作用之一是提供遗传多样性，这对于植物物种的生存和适应性至关重要。例如，当育种者创造新的作物品种时，他们依赖于包含广泛特征的种质收藏，包括对特定病原体的抗性或对干旱的耐受性。通过杂交具有理想特征的不同植物，育种者可以生产出在产量和韧性上优于其亲本的杂交种。 此外，保护种质对于未来几代人也至关重要。随着某些植物物种因栖息地丧失、气候变化和人类活动而面临灭绝，保存它们的种质变得尤为重要。种子库和基因库在这一保护工作中发挥了重要作用，储存种子和其他遗传材料，以确保它们在时间上的可行性。这些库不仅保护现有的生物多样性，还为旨在改善作物性能的研究和育种计划提供资源。 种质的意义不仅限于农业；它还对生物多样性和生态系统健康具有深远的影响。多样化的基因库有助于生态系统的整体韧性，使其能够更好地承受环境压力。从这个意义上说，种质不仅关乎单一作物，而是支持地球生命的更大生态框架的一部分。 近年来，生物技术的进步为利用种质开辟了新的途径。遗传工程和分子标记等技术使科学家能够识别和操控与理想特征相关的特定基因。这种精确性使育种过程更快、更高效，最终导致能够应对粮食安全挑战的改良作物品种的开发。 然而，在生物技术中使用种质也引发了伦理和生态问题。对转基因生物（GMO）及其对自然生态系统影响的担忧在科学家、政策制定者和公众之间引发了辩论。我们必须谨慎和负责任地对待种质的使用，确保利益超过任何潜在风险。 总之，种质是农业和植物育种中的一个基本概念，它包含了开发韧性作物所需的遗传多样性。其保护对于维护生物多样性和确保在全球挑战面前的粮食安全至关重要。随着我们继续通过创新技术探索种质的潜力，我们还必须关注伦理影响，并努力实现惠及人类和环境的可持续实践。