phytopathogenic

简明释义

英[ˌfaɪtəˌpæθəˈdʒɛnɪk]美[ˌfaɪtəˌpæθəˈdʒɛnɪk]

adj. 致植物病的

英英释义

单词用法

同义词

反义词

例句

1.In this paper, 16 sequenced phytopathogenic bacteria complete genome were analysed, as a result the pathogenic genes were speculated and classified basic on their function analyse.

本文对已完成全基因组测序的16个植物病原细菌基因组进行序列分析，推测出基因组中的致病基因并对其进行了功能分类。

2.The fermentation extract of SZF2 and SZF7exhibited an inhibitory ability to 5 species of phytopathogenic fungi, this showed that thefermentation extract had a broad antibiotic spectrum.

试验结果表明SZF2和SZF7这两个拮抗菌株发酵液的抗菌谱具有广谱性，对5种病原真菌均有抑制作用。

3.The fermentation extract of SZF2 and SZF7exhibited an inhibitory ability to 5 species of phytopathogenic fungi, this showed that thefermentation extract had a broad antibiotic spectrum.

试验结果表明SZF2和SZF7这两个拮抗菌株发酵液的抗菌谱具有广谱性，对5种病原真菌均有抑制作用。

4.The research focused on the impact of phytopathogenic 植物病原的 fungi on crop yields.

这项研究集中在植物病原的真菌对作物产量的影响。

5.Studies show that phytopathogenic 植物病原的 organisms can drastically reduce plant health.

研究表明，植物病原的生物可以大幅降低植物健康。

6.Effective management of phytopathogenic 植物病原的 diseases is crucial for sustainable agriculture.

有效管理植物病原的疾病对于可持续农业至关重要。

7.Farmers must be aware of phytopathogenic 植物病原的 bacteria that can infect their plants.

农民必须意识到可能感染他们植物的植物病原的细菌。

8.Researchers are developing resistant varieties to combat phytopathogenic 植物病原的 strains.

研究人员正在开发抗性品种以对抗植物病原的菌株。

作文

Plants are vital to our ecosystem, providing oxygen, food, and shelter for countless species. However, they are also susceptible to various diseases caused by organisms known as phytopathogenic agents. The term phytopathogenic refers to pathogens that cause diseases in plants, including fungi, bacteria, viruses, and nematodes. Understanding these agents is crucial for agriculture, horticulture, and environmental conservation, as plant diseases can lead to significant economic losses and affect food security.One of the most common phytopathogenic organisms is the fungus. Fungal diseases such as powdery mildew and rust can devastate crops if not managed properly. For instance, wheat rust, caused by the fungus Puccinia triticina, can reduce wheat yields by up to 70% in severe cases. Farmers often rely on fungicides to control such diseases, but over-reliance on chemical treatments can lead to resistance, making it even harder to manage these phytopathogenic threats.Bacterial infections are another category of phytopathogenic diseases. Bacteria like Xanthomonas campestris can infect a wide range of crops, leading to symptoms such as wilting, leaf spots, and rot. These diseases can spread rapidly, especially in warm and humid conditions, posing a significant challenge for farmers. Integrated pest management (IPM) strategies are essential to combat these bacterial threats, combining biological control, cultural practices, and resistant crop varieties to minimize the impact of phytopathogenic bacteria.Viruses also play a significant role in plant diseases. Viral infections can be particularly devastating because they often go unnoticed until significant damage has occurred. For example, the Tobacco Mosaic Virus (TMV) affects a wide variety of plants, leading to stunted growth and reduced yield. Controlling viral infections is challenging since they cannot be treated with antibiotics or fungicides. Instead, prevention through the use of resistant varieties and proper sanitation practices is critical in managing phytopathogenic viruses.Nematodes, microscopic worms that live in the soil, are another group of phytopathogenic organisms that can cause considerable damage to roots and overall plant health. Root-knot nematodes, for instance, can lead to galls on roots, inhibiting nutrient and water uptake. Crop rotation and the use of nematicides are common methods employed to manage these pests, highlighting the need for a comprehensive approach to controlling phytopathogenic organisms.In conclusion, the study of phytopathogenic agents is essential for safeguarding our plants and ensuring food security. As climate change and globalization continue to alter ecosystems, the emergence of new plant diseases poses an increasing threat. Therefore, continued research and innovation in plant pathology are crucial. By understanding the mechanisms through which phytopathogenic organisms operate, scientists can develop more effective strategies for disease prevention and management, ultimately leading to healthier plants and a more sustainable agricultural system.

植物对我们的生态系统至关重要，提供氧气、食物和无数物种的栖息地。然而，它们也容易受到称为植物病原体的各种病害的侵袭。植物病原体一词指的是导致植物疾病的病原体，包括真菌、细菌、病毒和线虫。了解这些病原体对于农业、园艺和环境保护至关重要，因为植物疾病可能导致重大经济损失并影响粮食安全。最常见的植物病原体之一是真菌。真菌性疾病如白粉病和锈病如果管理不当会摧毁作物。例如，由真菌Puccinia triticina引起的小麦锈病在严重情况下可使小麦产量减少多达70%。农民通常依赖杀真菌剂来控制此类疾病，但过度依赖化学治疗可能导致抗药性，使管理这些植物病原体威胁变得更加困难。细菌感染是另一个类别的植物病原体疾病。像Xanthomonas campestris这样的细菌可以感染广泛的作物，导致枯萎、叶斑和腐烂等症状。这些疾病可以迅速传播，特别是在温暖和潮湿的条件下，对农民构成重大挑战。综合害虫管理（IPM）策略对于应对这些细菌威胁至关重要，结合生物控制、农业实践和抗病品种，以最小化植物病原体细菌的影响。病毒在植物疾病中也扮演着重要角色。病毒感染可能特别具有破坏性，因为它们往往在显著损害发生之前未被察觉。例如，烟草花叶病毒（TMV）影响多种植物，导致生长受阻和产量降低。控制病毒感染具有挑战性，因为它们不能用抗生素或杀真菌剂治疗。相反，通过使用抗性品种和适当的卫生措施进行预防是管理植物病原体病毒的关键。线虫是另一类可以对根部和整体植物健康造成相当大损害的植物病原体生物，生活在土壤中。根结线虫例如，可以在根部形成肿块，抑制养分和水分的吸收。轮作和使用杀线虫剂是常用的方法，以管理这些害虫，突显了控制植物病原体生物的综合方法的必要性。总之，研究植物病原体是保护植物和确保粮食安全的重要组成部分。随着气候变化和全球化不断改变生态系统，新植物疾病的出现构成了日益严重的威胁。因此，继续进行植物病理学的研究和创新至关重要。通过了解植物病原体生物的运作机制，科学家可以开发出更有效的疾病预防和管理策略，最终实现更健康的植物和更可持续的农业系统。