cultivars

简明释义

英[ˈkʌltɪvɑːz]美[ˈkʌltəˌvɑrz]

n. [农学]栽培品种；栽培品系（cultivar 的复数）

英英释义

单词用法

同义词

反义词

例句

1.And the distribution of nutrients in different organs varied in cultivars and harvest periods.

营养成分在植株器官中的分配因品种与收获期而异。

2.The two common corn cultivars were inoculated with Azospirillum brasilense.

两种相同玉米品种都接种了固氮螺菌。

3.Rosen, Zhu, and colleagues are also using conventional breeding techniques to select for cultivars that accumulate little arsenic.

罗森，朱和其他的同事还利用传统的育种技术选择培育少砷的种苗。

4.The study also showed that cultivars of symptomless and high resistance were 37%, high susceptibility cultivars were 23.5%.

研究还显示，参试材料中无症状和高抗品种约占37%，高感类型占23.5%，其余为中间型。

5.We can't just go on using the same cultivars for the next thousand years.

在未来的一千年里，我们总不能一直只用同一个葡萄品种酿酒啊。

6.Current cultivars with pink bracts green spot cutting-edge, but have fundamental.

目前栽培品种的粉红色苞片尖端带有绿色斑点，但是瑕不掩瑜。

7.It is an effective approach to breed the resistance cultivars of seedless grape by transferring resistant gene into the cultivars of Vitis vinifera.

将抗性基因转入葡萄品种是培育无核葡萄抗病品种的有效途径。

8.Sucrose content was present at trace amounts in most cultivars.

在大多数品种果实中，蔗糖含量微量。

9.Breed resistant plant cultivars.

种植耐螨品种。

10.Research on different cultivars helps in understanding their growth patterns and nutritional values.

对不同栽培品种的研究有助于理解它们的生长模式和营养价值。

11.Farmers often choose specific cultivars to maximize their yield based on local climate conditions.

农民通常选择特定的栽培品种以根据当地气候条件最大化产量。

12.Gardeners often seek out rare cultivars to enhance the biodiversity of their gardens.

园丁们常常寻找稀有的栽培品种来增强他们花园的生物多样性。

13.The new hybrid cultivars of tomatoes have been developed to resist common diseases.

新型杂交栽培品种的西红柿已经被开发出来，以抵抗常见疾病。

14.Some cultivars are specifically bred for drought resistance, making them ideal for arid regions.

一些栽培品种是专门培育的，以抵抗干旱，使它们非常适合干旱地区。

作文

In the world of agriculture and horticulture, the term cultivars refers to cultivated varieties of plants that have been selectively bred for specific characteristics. These characteristics can include traits such as flower color, fruit size, disease resistance, and growth habit. The development of cultivars has played a crucial role in enhancing food production and improving the aesthetic appeal of gardens and landscapes. By focusing on particular traits, plant breeders are able to create varieties that meet the needs of farmers, gardeners, and consumers alike.One of the most significant advantages of using cultivars is their ability to adapt to various environmental conditions. For instance, certain cultivars of tomatoes have been developed to thrive in cooler climates, while others are bred to withstand heat and drought. This adaptability ensures that farmers can grow crops successfully in different regions, ultimately contributing to food security.Moreover, the use of cultivars has led to the improvement of yield and quality in many crops. For example, high-yielding rice cultivars have been instrumental in increasing rice production in Asia, helping to alleviate hunger in densely populated areas. Similarly, the introduction of disease-resistant cultivars can significantly reduce the reliance on chemical pesticides, promoting more sustainable agricultural practices.In ornamental gardening, cultivars also play a vital role. Gardeners often seek out specific cultivars to achieve desired colors, shapes, and sizes in their gardens. For example, the popular rose variety 'Knock Out' is a cultivar known for its vibrant blooms and disease resistance, making it a favorite among landscapers and home gardeners. The ability to choose from a wide range of cultivars allows individuals to personalize their gardens and create unique outdoor spaces.However, the reliance on a limited number of cultivars can also pose risks. Monoculture farming, where a single cultivar is grown over large areas, can lead to vulnerabilities in the agricultural system. If a disease or pest targets that specific cultivar, it could result in devastating crop losses. Therefore, it is essential for farmers to diversify their crops and incorporate a variety of cultivars to mitigate these risks.Furthermore, the genetic diversity found within cultivars is crucial for future breeding programs. As climate change continues to impact agriculture, having a rich pool of genetic material from various cultivars will be invaluable for developing new varieties that can withstand changing conditions. Plant breeders are constantly on the lookout for unique traits in existing cultivars that can be utilized in creating resilient new varieties.In conclusion, cultivars are an essential aspect of modern agriculture and horticulture. They provide numerous benefits, including improved yields, enhanced quality, and increased adaptability to environmental conditions. While the use of cultivars has revolutionized the way we grow food and beautify our surroundings, it is crucial to maintain genetic diversity to safeguard against potential threats. As we continue to face challenges such as climate change and food security, the importance of cultivars will only grow, highlighting the need for responsible breeding practices and sustainable agricultural methods.

在农业和园艺的世界中，术语cultivars指的是为特定特征而选择性繁殖的植物栽培品种。这些特征可以包括花色、果实大小、抗病性和生长习性等。cultivars的发展在增强食品生产和改善花园及景观的美学方面发挥了至关重要的作用。通过关注特定特征，植物育种者能够创造出满足农民、园丁和消费者需求的品种。使用cultivars的一个显著优势是它们能够适应各种环境条件。例如，某些番茄cultivars已被开发出来，以在较凉爽的气候中茁壮成长，而其他品种则被培育以抵御炎热和干旱。这种适应性确保农民能够在不同地区成功种植作物，从而最终有助于粮食安全。此外，使用cultivars还提高了许多作物的产量和质量。例如，高产水稻cultivars在增加亚洲水稻生产方面发挥了重要作用，帮助缓解人口稠密地区的饥饿问题。同样，引入抗病cultivars可以显著减少对化学农药的依赖，促进更可持续的农业实践。在观赏园艺中，cultivars也发挥着重要作用。园丁通常会寻找特定的cultivars以实现他们花园中的理想颜色、形状和大小。例如，流行的玫瑰品种“Knock Out”是一种以其鲜艳的花朵和抗病性而闻名的cultivar，使其成为园艺师和家庭园丁的最爱。从众多cultivars中进行选择的能力使个人能够个性化他们的花园，创造独特的户外空间。然而，依赖有限数量的cultivars也可能带来风险。单一栽培（即在大面积上种植单一cultivar）可能导致农业系统的脆弱性。如果某种疾病或害虫针对该特定cultivar，可能导致灾难性的作物损失。因此，农民必须多样化其作物并结合多种cultivars以减轻这些风险。此外，cultivars中的遗传多样性对未来的育种计划至关重要。随着气候变化继续影响农业，拥有来自各种cultivars的丰富遗传材料对开发能够抵御变化条件的新变种将是无价的。植物育种者不断寻找现有cultivars中的独特特征，可用于创造具有韧性的新变种。总之，cultivars是现代农业和园艺的重要组成部分。它们提供了许多好处，包括提高产量、增强质量和增加对环境条件的适应性。虽然使用cultivars彻底改变了我们种植食物和美化周围环境的方式，但保持遗传多样性以保护潜在威胁至关重要。随着我们继续面临气候变化和粮食安全等挑战，cultivars的重要性只会增加，从而突显出负责任的育种实践和可持续农业方法的必要性。