rice blast

简明释义

稻瘟病

英英释义

例句

1.The government is providing resources to help manage rice blast outbreaks.

政府正在提供资源以帮助管理稻瘟病的暴发。

2.Farmers must monitor their fields closely to detect early signs of rice blast.

农民必须密切监视他们的田地，以便及早发现稻瘟病的迹象。

3.The rapid spread of rice blast in the region has alarmed agricultural experts.

该地区稻瘟病的快速传播令农业专家感到警觉。

4.To combat rice blast, scientists are researching resistant rice varieties.

为了对抗稻瘟病，科学家们正在研究抗病稻种。

5.The farmers are worried about the impact of rice blast on their crops this season.

农民们担心稻瘟病对他们今年作物的影响。

作文

Rice is one of the most important staple foods in the world, serving as a primary source of nutrition for billions of people. However, its cultivation faces numerous challenges, one of which is a devastating disease known as rice blast (稻瘟病). This fungal disease, caused by the pathogen Magnaporthe oryzae, can lead to significant yield losses and threaten food security in many rice-producing regions. Understanding the nature of rice blast (稻瘟病) and developing effective strategies to combat it are crucial for sustaining global rice production.The symptoms of rice blast (稻瘟病) typically manifest as dark, water-soaked lesions on the leaves, which can expand rapidly and cause the leaves to die off. In severe cases, the disease can also affect the panicles, leading to empty grains and reduced harvests. Farmers often find themselves in a constant battle against rice blast (稻瘟病), as the fungus can spread quickly under favorable conditions, such as high humidity and warm temperatures. This rapid spread can devastate entire fields within days, making it imperative for farmers to be vigilant and proactive in their management practices.To combat rice blast (稻瘟病), researchers have focused on developing resistant rice varieties. Through traditional breeding methods and modern biotechnological approaches, scientists have identified and incorporated genes that confer resistance to the disease into new rice cultivars. These resistant varieties can significantly reduce the impact of rice blast (稻瘟病) and provide farmers with a more sustainable means of production. Additionally, integrated pest management (IPM) strategies, which combine biological control, cultural practices, and chemical treatments, have been recommended to manage the disease effectively.Education and awareness are also critical components in the fight against rice blast (稻瘟病). Farmers need to be informed about the signs of the disease, the conditions that favor its development, and the best practices for prevention and control. Extension services and agricultural organizations play a vital role in disseminating this information, ensuring that farmers are equipped with the knowledge they need to protect their crops.In conclusion, rice blast (稻瘟病) poses a significant threat to rice production worldwide. Its ability to spread rapidly and cause extensive damage makes it a formidable challenge for farmers. However, with ongoing research, the development of resistant varieties, and effective management strategies, it is possible to mitigate the impact of this disease. By raising awareness and providing education to farmers, we can enhance their capacity to combat rice blast (稻瘟病) and ensure a stable food supply for future generations. The fight against rice blast (稻瘟病) is not just about protecting crops; it is about safeguarding the livelihoods of millions and maintaining global food security.

稻米是世界上最重要的主食之一，为数十亿人提供了主要的营养来源。然而，它的种植面临着许多挑战，其中之一就是一种名为稻瘟病(rice blast)的毁灭性疾病。这种由病原体Magnaporthe oryzae引起的真菌病害，可能导致显著的产量损失，并威胁到许多稻米生产地区的粮食安全。理解稻瘟病(rice blast)的性质并制定有效的应对策略，对于维持全球稻米生产至关重要。稻瘟病(rice blast)的症状通常表现为叶片上出现深色的、浸水状的病斑，这些病斑可以迅速扩展并导致叶片枯死。在严重的情况下，疾病还会影响到穗部，导致空粒和减产。农民常常发现自己在与稻瘟病(rice blast)进行一场持续的斗争，因为这种真菌可以在适宜的条件下迅速传播，例如高湿度和温暖的气温。这种快速传播可能在几天内摧毁整个田地，因此农民必须保持警惕并积极管理。为了抵御稻瘟病(rice blast)，研究人员专注于开发抗病稻米品种。通过传统育种方法和现代生物技术手段，科学家们已经识别出并将能够抵抗该疾病的基因纳入新的稻米品种中。这些抗病品种可以显著减少稻瘟病(rice blast)的影响，为农民提供更可持续的生产方式。此外，综合虫害管理(IPM)策略，结合生物控制、农业实践和化学处理，被建议用于有效管理该病。教育和意识提升也是对抗稻瘟病(rice blast)的重要组成部分。农民需要了解疾病的迹象、促进其发展的条件以及预防和控制的最佳实践。推广服务和农业组织在传播这些信息方面发挥着至关重要的作用，确保农民具备保护作物所需的知识。总之，稻瘟病(rice blast)对全球稻米生产构成了重大威胁。它快速传播和造成广泛损害的能力使其成为农民面临的一项艰巨挑战。然而，随着持续的研究、抗病品种的开发和有效的管理策略，有可能减轻这种疾病的影响。通过提高意识和向农民提供教育，我们可以增强他们抵御稻瘟病(rice blast)的能力，并确保未来几代人的稳定粮食供应。与稻瘟病(rice blast)的斗争不仅仅是保护作物；而是保障数百万人的生计，维护全球粮食安全。