rhizoctonia

简明释义

英[ˌraɪzɒkˈtəʊnɪə]美[ˌraɪzɒkˈtəʊniə]

n. 丝核菌

英英释义

单词用法

同义词

反义词

例句

1.The results showed that the mainly pathogen fungi which caused the postharvest diseases of peaches were Ahernaria, Monilinia fructicola, Cephalothecium, Rhizoctonia;

试验结果表明：引起水蜜祧采后病害的病原菌主要有交链孢霉、褐霉、复端孢霉、丝核菌；

2.The results showed that the mainly pathogen fungi which caused the postharvest diseases of peaches were Ahernaria, Monilinia fructicola, Cephalothecium, Rhizoctonia;

试验结果表明：引起水蜜祧采后病害的病原菌主要有交链孢霉、褐霉、复端孢霉、丝核菌；

3.Rhizoctonia disease in potato is a very common and serious disease in the cool and high altitude mountainous area of Gansu Province.

马铃薯立枯丝核菌病，是甘肃省高海拔冷凉山区发生普遍而危害严重的一种病害。

4.Under intensive cropping with retention of crop residue management regimes, soils can become suppressive to Rhizoctonia root rot.

保留作物残体的精耕栽培制度可使土壤变为对病害有抑制作用的抑病土。

5.The results showed that the pathogen of Chinese cabbage Rhizoctonia leaf rot was Rhizoctonia solani.

对白菜丝核菌叶腐病标样进行了鉴定及生物学特性研究。

6.Rhizoctonia canker was discovered in Chengde, Tangshan, Shijiazhuang, Handan and Xingtai.

黑痣病分布在承德、唐山、石家庄、邢台和邯郸；

7.Ultra-structure of symbiosis mycorrhizal between cymbidium goeringii and rhizoctonia sp.

春兰与丝核菌共生菌根及结构研究。

8.Rhizoctonia disease in potato is a very common and serious disease in the cool…

马铃薯立枯丝核菌病，是甘肃省高海拔冷凉山区发生普遍而危害严重的一种病害。

9.Studies on the nuclear staining techniques for Rhizoctonia SPP.

丝核菌细胞核染色技术的研究。

10.Trichoderma spp. showed strong antagonistic action against Rhizoctonia solani in screening tests.

木霉在筛选试验中对索氏根霉菌表现出较强的拮抗作用。

11.Farmers often struggle with crop diseases caused by rhizoctonia (根腐病菌), which can lead to significant yield losses.

农民常常面临由rhizoctonia（根腐病菌）引起的作物疾病，这可能导致显著的产量损失。

12.The research team is studying the effects of rhizoctonia (根腐病菌) on soil health and plant growth.

研究小组正在研究rhizoctonia（根腐病菌）对土壤健康和植物生长的影响。

13.To combat rhizoctonia (根腐病菌), farmers are advised to rotate their crops regularly.

为了抵御rhizoctonia（根腐病菌），建议农民定期轮作作物。

14.Infected plants often show stunted growth due to rhizoctonia (根腐病菌) infection.

因感染rhizoctonia（根腐病菌）而导致的植物通常表现出生长迟缓。

15.The soil test revealed high levels of rhizoctonia (根腐病菌), prompting the farmer to take action.

土壤测试显示rhizoctonia（根腐病菌）的水平很高，促使农民采取行动。

作文

In the world of agriculture and plant pathology, understanding various pathogens is crucial for effective crop management. One such pathogen that has gained attention among farmers and researchers alike is rhizoctonia. This genus of fungi is known to cause significant damage to a wide range of crops, leading to economic losses and affecting food security. Understanding the biology and ecology of rhizoctonia can help in developing effective strategies for its management. Rhizoctonia is a soil-borne fungus that exists in various forms, including mycelium and sclerotia. It thrives in diverse environmental conditions, making it a versatile pathogen. The most common disease caused by rhizoctonia is root rot, which affects many plants, including vegetables, cereals, and ornamental species. The symptoms of root rot include wilting, yellowing leaves, and stunted growth, which can ultimately lead to the death of the plant if not managed properly. The life cycle of rhizoctonia is complex and involves both sexual and asexual reproduction. Asexual reproduction occurs through the production of hyphae and sclerotia, which can survive in the soil for extended periods. This ability to persist in the soil makes rhizoctonia particularly challenging for farmers, as it can remain dormant until favorable conditions arise. Understanding these reproductive strategies is essential for developing effective control measures. One of the primary methods of controlling rhizoctonia is through crop rotation. By alternating crops in a field, farmers can disrupt the life cycle of the fungus, reducing its population in the soil. Additionally, selecting resistant varieties of crops can significantly minimize the impact of rhizoctonia. Research has shown that certain plant varieties possess genetic traits that make them less susceptible to infection, providing a natural form of resistance. Incorporating good agricultural practices is also vital in managing rhizoctonia. Practices such as proper irrigation, soil drainage, and maintaining healthy soil structure can create an environment that is less conducive to fungal growth. Furthermore, using organic amendments like compost can enhance soil health and promote beneficial microorganisms that compete with rhizoctonia. Integrated pest management (IPM) strategies are increasingly being adopted to combat rhizoctonia. IPM combines biological, cultural, and chemical control methods to manage plant diseases sustainably. For example, introducing beneficial nematodes or fungi can help suppress rhizoctonia populations in the soil. Additionally, the judicious use of fungicides can be effective, but it is essential to apply them responsibly to avoid developing resistance in the pathogen. In conclusion, rhizoctonia poses a significant threat to crop production worldwide. However, by understanding its biology, implementing effective management strategies, and adopting sustainable agricultural practices, farmers can mitigate its impact. Ongoing research into rhizoctonia and its interactions with plants will continue to play a crucial role in safeguarding our food supply and ensuring the sustainability of agricultural systems.

在农业和植物病理学的世界中，理解各种病原体对有效的作物管理至关重要。一个引起农民和研究人员关注的病原体是rhizoctonia。这种真菌属以其对多种作物造成显著损害而闻名，导致经济损失并影响粮食安全。了解rhizoctonia的生物学和生态学有助于制定有效的管理策略。 Rhizoctonia是一种土壤传播的真菌，以菌丝体和硬球等多种形式存在。它在多种环境条件下生长良好，使其成为一种多才多艺的病原体。Rhizoctonia引起的最常见疾病是根腐病，影响许多植物，包括蔬菜、谷物和观赏植物。根腐病的症状包括枯萎、叶子发黄和生长受阻，如果不加以妥善管理，最终可能导致植物死亡。 Rhizoctonia的生命周期复杂，涉及有性和无性繁殖。无性繁殖通过产生菌丝和硬球进行，这些结构可以在土壤中存活较长时间。这种在土壤中持久存在的能力使得rhizoctonia对农民来说尤其具有挑战性，因为它可以在有利条件出现之前保持休眠。了解这些繁殖策略对于制定有效的控制措施至关重要。 控制rhizoctonia的主要方法之一是轮作。通过交替种植田地中的作物，农民可以打乱真菌的生命周期，从而减少土壤中的数量。此外，选择抗病品种的作物可以显著降低rhizoctonia的影响。研究表明，某些植物品种具有使其不易感染的遗传特性，提供了一种自然的抗性形式。 采用良好的农业实践在管理rhizoctonia中也至关重要。适当的灌溉、土壤排水和维持健康的土壤结构等做法可以创造一个不利于真菌生长的环境。此外，使用堆肥等有机改良剂可以增强土壤健康，并促进与rhizoctonia竞争的有益微生物的生长。 综合害虫管理（IPM）策略越来越多地被采用来对抗rhizoctonia。IPM结合了生物、文化和化学控制方法，以可持续的方式管理植物疾病。例如，引入有益线虫或真菌可以帮助抑制土壤中rhizoctonia的种群。此外，合理使用杀真菌剂也可以有效，但必须负责任地施用，以避免病原体产生抗药性。 总之，rhizoctonia对全球作物生产构成了重大威胁。然而，通过了解其生物学，实施有效的管理策略以及采用可持续的农业实践，农民可以减轻其影响。对rhizoctonia及其与植物相互作用的持续研究将继续在保护我们的粮食供应和确保农业系统的可持续性方面发挥关键作用。