clubroot

简明释义

英[ˈklʌbˌruːt]美[ˈklʌbˌruːt]

n. 棒状硬化根

英英释义

单词用法

同义词

反义词

例句

1.To sum up , the symptom of clubroot disease in rape is similar to it in cruciferae.

其症状与十字花科蔬菜根肿病症状相似。

2.To sum up, the symptom of clubroot disease in rape is similar to it in cruciferae.

综上所述，油菜中根瘤病的症状与十字花科相似。

3.To sum up , the symptom of clubroot disease in rape is similar to it in cruciferae.

其症状与十字花科蔬菜根肿病症状相似。

4.The farmer noticed that his cabbage plants were wilting and suspected they had contracted clubroot.

农民注意到他的卷心菜植物在枯萎，怀疑它们感染了根肿病。

5.After testing the soil, they found high levels of pathogens causing clubroot.

在测试土壤后，他们发现导致根肿病的病原体水平很高。

6.Gardeners often use resistant varieties to combat clubroot in their vegetable patches.

园丁们常常使用抗病品种来对抗他们菜园中的根肿病。

7.The symptoms of clubroot include swollen roots and stunted growth.

根肿病的症状包括根部肿胀和生长缓慢。

8.To prevent clubroot, it's important to rotate crops every year.

为了防止根肿病，每年轮作作物是很重要的。

作文

In the world of agriculture, farmers face numerous challenges, one of which is the presence of soil-borne diseases. Among these, clubroot is particularly notorious. clubroot (根肿病) is caused by the pathogen Plasmodiophora brassicae, which primarily affects members of the Brassica family, including cabbage, broccoli, and cauliflower. This disease can lead to significant crop losses, making it essential for farmers to understand its implications and management strategies.The symptoms of clubroot are often first noticed when plants begin to wilt or exhibit stunted growth. Upon closer inspection, the roots of affected plants are swollen and distorted, resembling club-like formations—hence the name clubroot. These root galls impede the plant's ability to absorb water and nutrients, leading to poor yields and, in severe cases, plant death. The disease thrives in acidic soils with a pH below 6.0, making certain regions more susceptible than others.To effectively manage clubroot, farmers must adopt an integrated approach. Crop rotation is one of the most effective methods to prevent the buildup of the pathogen in the soil. By alternating crops, especially those that are not part of the Brassica family, farmers can disrupt the life cycle of the pathogen. Additionally, maintaining proper soil pH through liming can reduce the severity of clubroot infections. Regular soil testing helps farmers monitor pH levels and make necessary adjustments.Another crucial aspect of managing clubroot is the use of resistant varieties. Many seed companies now offer Brassica crops that have been bred for resistance to clubroot. By selecting these varieties, farmers can significantly reduce the risk of infection. Furthermore, practicing good sanitation in the field, such as cleaning equipment and removing infected plant debris, can help minimize the spread of the disease.In conclusion, clubroot poses a significant threat to Brassica crops, but with proper knowledge and management techniques, farmers can mitigate its impact. Understanding the biology of the pathogen and implementing strategies like crop rotation, soil pH management, and the use of resistant varieties are essential steps in the fight against clubroot. As the agricultural community continues to face challenges from pests and diseases, staying informed about threats like clubroot is vital for ensuring sustainable farming practices and securing food production for the future.

在农业的世界里，农民面临着许多挑战，其中之一就是土壤传播的疾病。在这些疾病中，clubroot（根肿病）尤其臭名昭著。clubroot 是由病原体 Plasmodiophora brassicae 引起的，主要影响十字花科植物，包括卷心菜、花椰菜和菜花。这种疾病可能导致显著的作物损失，因此农民必须了解其影响及管理策略。clubroot 的症状通常在植物开始枯萎或表现出生长迟缓时首次显现。仔细检查后，会发现受影响植物的根部肿胀且扭曲，呈现出俱乐部状的形成——因此得名 clubroot。这些根肿妨碍了植物吸收水分和养分的能力，导致产量下降，在严重情况下甚至导致植物死亡。该病在酸性土壤中繁盛，pH 值低于 6.0，使某些地区更易受到影响。为了有效管理 clubroot，农民必须采取综合方法。轮作是防止病原体在土壤中积累的最有效方法之一。通过交替种植，特别是那些不属于十字花科的作物，农民可以打乱病原体的生命周期。此外，通过施加石灰来维持适当的土壤 pH 值，可以减少 clubroot 感染的严重性。定期进行土壤检测有助于农民监测 pH 值并进行必要的调整。管理 clubroot 的另一个关键方面是使用抗病品种。许多种子公司现在提供经过培育以抵抗 clubroot 的十字花科作物。通过选择这些品种，农民可以显著降低感染风险。此外，在田间实践良好的卫生措施，如清洁设备和清除感染的植物残骸，可以帮助最小化疾病的传播。总之，clubroot 对十字花科作物构成了重大威胁，但通过正确的知识和管理技术，农民可以减轻其影响。了解病原体的生物学并实施诸如轮作、土壤 pH 管理和使用抗病品种等策略，是对抗 clubroot 的重要步骤。随着农业界继续面临来自害虫和疾病的挑战，了解像 clubroot 这样的威胁对于确保可持续农业实践和保障未来粮食生产至关重要。