cultivar

简明释义

英[ˈkʌltɪvɑː(r)]美[ˈkʌltɪvɑːr]

n. 培育品种，栽培变种

英英释义

单词用法

同义词

反义词

例句

1.However, data about inheritance to head scab of Sichuan wheat cultivar are quite rare.

但是，目前缺乏四川小麦赤霉病抗性遗传基础的研究资料。

2.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。

3.Thus, se content in tea is resulted from a common function of soil se, tea harvesting season and tea cultivar.

茶叶含硒量是土壤含硒量、茶叶采摘季节、茶树品种等因素共同影响的结果。

4.The rate of callus induction is strongly different with the cultivar.

结果表明早熟禾不同品种间，愈伤组织诱导率显著不同。

5.The carrot cultivar, 02d2101, indicated better experiment results and could be extended.

代号02d 2101是较理想的胡萝卜品种，有推广价值。

6.Tree peony cultivars may be classified scientifically by a new system composed of five classes: color, type, form, group and cultivar.

按色、类、型、组和品种五个等级组成的牡丹品种分类系统，“色型兼备、科学实用”，有推广价值。

7.This tomato cultivar 品种 is known for its high yield and disease resistance.

这种番茄品种以高产和抗病性著称。

8.The new apple cultivar 品种 has a sweeter taste and is resistant to pests.

这种新的苹果品种味道更甜，并且对害虫有抵抗力。

9.Farmers are experimenting with a drought-resistant cultivar 品种 to cope with climate change.

农民们正在尝试一种抗旱的品种以应对气候变化。

10.The local nursery offers a variety of rose cultivars 品种 for gardeners to choose from.

当地的苗圃提供多种玫瑰品种供园丁选择。

11.Researchers are developing a new rice cultivar 品种 that can grow in saline soils.

研究人员正在开发一种可以在盐碱土壤中生长的新稻米品种。

作文

In the world of horticulture and agriculture, the term cultivar refers to a specific variety of a plant that has been cultivated for certain desirable characteristics. These characteristics can include improved yield, disease resistance, or unique aesthetic qualities. The concept of cultivar is crucial for both commercial growers and home gardeners alike, as it allows them to select plants that will thrive in their specific environments and meet their particular needs.The development of cultivars is a result of selective breeding, where plants are chosen for their favorable traits and bred over generations to enhance these qualities. For example, a gardener may choose to cultivate a cultivar of tomato that is known for its sweetness and high yield. This process not only improves the quality of the plants but also contributes to biodiversity, as different cultivars can coexist within the same species, offering various options for cultivation.One of the most fascinating aspects of cultivars is how they can adapt to different climates and soil types. For instance, some cultivars of grapes are better suited for cooler climates, while others thrive in warmer regions. This adaptability means that farmers can choose the right cultivar to maximize their harvest regardless of their geographical location. Additionally, the use of cultivars can help in sustainable farming practices. By selecting varieties that are resistant to pests and diseases, farmers can reduce their reliance on chemical pesticides, promoting a healthier ecosystem.Moreover, cultivars play an essential role in preserving plant genetic diversity. As climate change poses new challenges to agriculture, having a wide range of cultivars ensures that some will be able to withstand changing conditions. For example, scientists and breeders are currently working on developing cultivars of wheat that can tolerate drought, which is becoming increasingly important as water scarcity becomes a global issue.In addition to their agricultural importance, cultivars also contribute significantly to the ornamental plant industry. Many cultivars have been developed for their unique flowers, foliage, or growth habits, making them popular choices for landscaping and gardening. Homeowners often seek out specific cultivars to create visually appealing gardens that reflect their personal style.However, the commercialization of cultivars can also lead to challenges. With the rise of monoculture farming, where a single cultivar is planted over vast areas, there is a risk of reduced genetic diversity. This lack of diversity can make crops more susceptible to diseases and pests, potentially leading to catastrophic failures in food production. Therefore, it is essential for growers to strike a balance between utilizing specific cultivars for their advantages while also maintaining a diverse range of plants in their fields and gardens.In conclusion, the term cultivar encompasses a vital aspect of plant cultivation that influences both agriculture and horticulture. Understanding the significance of cultivars allows us to appreciate the efforts behind plant breeding and the impact it has on our food systems and landscapes. As we continue to face challenges such as climate change and food security, the role of cultivars will only become more critical in ensuring a sustainable and resilient agricultural future.

在园艺和农业的世界中，术语cultivar指的是经过特定培育而形成的植物品种，这些品种具有某些理想的特征。这些特征可以包括提高产量、抗病性或独特的美学品质。cultivar的概念对于商业种植者和家庭园丁来说至关重要，因为它使他们能够选择在特定环境中茁壮成长并满足特定需求的植物。cultivar的发展是选择性育种的结果，选择具有有利特征的植物，并通过世代繁殖来增强这些特征。例如，园丁可能会选择培育一种以甜味和高产量著称的番茄cultivar。这一过程不仅改善了植物的质量，还促进了生物多样性，因为不同的cultivars可以在同一物种中共存，为栽培提供各种选择。cultivars最迷人的方面之一是它们如何适应不同的气候和土壤类型。例如，某些葡萄的cultivars更适合寒冷的气候，而其他则在温暖的地区茁壮成长。这种适应性意味着农民可以选择合适的cultivar，无论其地理位置如何，都能最大化收成。此外，使用cultivars有助于可持续农业实践。通过选择抗虫害和疾病的品种，农民可以减少对化学农药的依赖，从而促进更健康的生态系统。此外，cultivars在保护植物遗传多样性方面也发挥着重要作用。随着气候变化给农业带来新的挑战，拥有广泛的cultivars确保一些能够抵御变化的条件。例如，科学家和育种者目前正在开发能够耐旱的小麦cultivar，这在水资源日益稀缺的全球问题上变得越来越重要。除了农业的重要性，cultivars在观赏植物行业中也贡献显著。许多cultivars因其独特的花朵、叶子或生长习性而被开发，成为景观和园艺中的热门选择。房主通常会寻找特定的cultivars来创建视觉上吸引人的花园，以反映他们的个人风格。然而，cultivars的商业化也可能带来挑战。随着单一作物种植的兴起，即在广阔区域内种植单一cultivar，存在减少遗传多样性的风险。这种多样性的缺乏可能使作物更容易受到疾病和害虫的侵袭，可能导致粮食生产的灾难性失败。因此，种植者必须在利用特定cultivars的优势和在田野和花园中保持多样化植物之间找到平衡。总之，术语cultivar涵盖了植物栽培的一个重要方面，这影响了农业和园艺。理解cultivars的重要性使我们能够欣赏植物育种背后的努力及其对我们的食品系统和景观的影响。随着我们继续面临气候变化和食品安全等挑战，cultivars的作用将变得更加关键，以确保可持续和有韧性的农业未来。