vernalization

简明释义

英[vɜːn(ə)laɪˈzeɪʃ(ə)n]美[ˌvɜːrnəlɪˈzeʃən]

n. [农学] 春化处理；种子促熟法；开花结实促进法

英英释义

单词用法

同义词

反义词

例句

1.The results are that when the soak of Chinese Medical stone is added during the time of vernalization, contaimination and repairment the micronuclei frequency caused by the alcohol ca…

中华麦饭石可能具有治疗、减轻和预防由饮酒引起的遗传损伤的作用。

2.Finalleaf number on main stem could be a reliable measure for wheat vernalization response.

主茎总叶数的变化是量测小麦春化反应性的一个可靠指标。

3.The period of tripe mound of barley is the morphological symbol to complete the vernalization phase and start ear initiation, but the wheat is in double ridge.

三联期是大麦通过春化阶段和幼穗分化开始的形态指标，而小麦是二棱期。

4.During the vernalization, POD isoenzyme activity increased with lengthening of vernalization time and the cold hardiness of wheat improved.

在春化过程中，POD酶活性在适宜春化时间内随春化时间延长而增加，且抗寒性增加。

5.The results are that when the soak of Chinese Medical stone is added during the time of vernalization, contaimination and repairment the micronuclei frequency caused by the alcohol ca…

中华麦饭石可能具有治疗、减轻和预防由饮酒引起的遗传损伤的作用。

6.The effect of short-day photoperiod is evident in the vernalization process on the ecotype of winter wheat varieties.

在冬型小麦的春化过程中有短日光周期效应。

7.Quantitative analyses and dynamic simulation were undertaken on vernalization, photoperiod response, and their relationships to development progress in wheat.

对小麦品种的春化作用、光周期反应及其与发育进程的关系进行了量化分析和动态模拟。

8.Researches on the vernalization gene and its allelic variation can efficiently facilitate the improvement of growth habit in breeding program.

对春化基因及其等位变异的研究对小麦冬、春性的遗传改良具有重要指导意义。

9.Therefore we could say vernalization and freezing tolerance were two characteristics of wheat, and vernalization was beneficial to forming of freezing tolerance of variety.

低温春化特性与抗寒性是品种的两种特性，低温春化有利于小麦抗寒性的形成。

10.In some plants, vernalization can reduce the time needed for flowering.

在某些植物中，春化作用可以减少开花所需的时间。

11.The process of vernalization is crucial for certain crops to flower in the spring.

对于某些作物来说，春化作用是它们在春天开花的关键。

12.Research has shown that vernalization affects gene expression in many species.

研究表明，春化作用影响许多物种的基因表达。

13.Without proper vernalization, many biennial plants will not produce seeds.

没有适当的春化作用，许多二年生植物将无法产生种子。

14.Farmers often use vernalization techniques to ensure a good yield of winter wheat.

农民常常使用春化作用技术，以确保冬小麦的良好产量。

作文

Vernalization is a fascinating biological process that plays a crucial role in the life cycle of many plants. This phenomenon involves the exposure of seeds or young plants to a prolonged period of cold temperatures, which promotes flowering and ensures successful reproduction. Understanding vernalization can provide valuable insights into agricultural practices and plant biology. In temperate regions, many crops require this cold treatment to transition from vegetative growth to the reproductive stage. For instance, winter wheat and certain varieties of barley need vernalization to flower properly. Without this cold exposure, these plants may fail to produce grains, leading to reduced yields for farmers.The mechanism behind vernalization is quite complex and involves various physiological and genetic changes within the plant. When exposed to cold temperatures, specific genes are activated that promote the development of flowers. This process ensures that plants bloom at the right time of year, typically in spring, when conditions are favorable for pollination and seed development. The understanding of vernalization has led to advancements in breeding programs, allowing scientists to develop new cultivars that can thrive in different climates and conditions.Moreover, vernalization is not limited to just agricultural crops; it also occurs in many wild plant species. For example, some flowering plants in colder climates have adapted to rely on vernalization to synchronize their blooming with the arrival of spring. This adaptation is essential for their survival, as it ensures that they reproduce when pollinators are available and conditions are suitable for seed germination.In recent years, climate change has raised concerns about the impact of altered temperature patterns on vernalization. As winters become milder, some plants may not receive the necessary cold exposure, potentially leading to shifts in flowering times and reproductive success. This phenomenon could disrupt ecosystems and agricultural systems alike, highlighting the importance of understanding vernalization in the context of environmental changes.In conclusion, vernalization is a critical process that influences the reproductive success of many plant species. By requiring a period of cold exposure, plants can time their flowering to coincide with optimal growing conditions. As we face the challenges posed by climate change, further research into vernalization will be essential for developing resilient crops and understanding ecological dynamics. This knowledge not only aids in improving agricultural productivity but also enhances our appreciation of the intricate relationships between plants and their environments.

春化是一个迷人的生物过程，在许多植物的生命周期中发挥着至关重要的作用。这个现象涉及到将种子或幼苗暴露在较长时间的低温下，这促进了开花并确保成功繁殖。理解春化可以为农业实践和植物生物学提供有价值的见解。在温带地区，许多作物需要这种冷处理才能从营养生长过渡到生殖阶段。例如，冬小麦和某些大麦品种需要春化才能正常开花。如果没有这种冷暴露，这些植物可能无法产生谷物，从而导致农民的产量减少。春化背后的机制相当复杂，涉及植物内部的各种生理和遗传变化。当暴露于低温时，特定基因被激活，促进花朵的发展。这个过程确保植物在一年中的正确时间开花，通常是在春天，当条件适合授粉和种子发育时。对春化的理解促成了育种计划的进展，使科学家能够开发出能够在不同气候和条件下茁壮成长的新栽培品种。此外，春化不仅限于农业作物；许多野生植物物种也发生这种现象。例如，一些寒冷气候中的开花植物已经适应依赖于春化来使其开花与春天的到来同步。这种适应对于它们的生存至关重要，因为它确保它们在授粉者可用且种子发芽条件合适时繁殖。近年来，气候变化引发了人们对温度模式变化对春化影响的担忧。随着冬季变得更加温和，一些植物可能无法获得必要的冷暴露，可能导致开花时间和生殖成功的变化。这种现象可能会破坏生态系统和农业系统，突显了在环境变化背景下理解春化的重要性。总之，春化是一个关键过程，影响许多植物物种的生殖成功。通过要求一段冷暴露期，植物可以将其开花时间与最佳生长条件相协调。随着我们面临气候变化带来的挑战，进一步研究春化将对开发抗逆作物和理解生态动态至关重要。这一知识不仅有助于提高农业生产力，还增强了我们对植物与环境之间复杂关系的欣赏。