đạo ôn
Học thuậtThân thiện
Definition
- Noun:
- Rice blast disease: A serious fungal disease affecting rice plants, caused by the fungus Pyricularia oryzae (also known as Magnaporthe oryzae). It can damage leaves, stems, and grains, significantly reducing crop yield.
Usage Examples
- Noun:
- Nông dân lo ngại vụ lúa năm nay có thể bị đạo ôn tấn công. (Farmers are worried that this year's rice crop could be attacked by rice blast.)
- Cánh đồng lúa bị cháy lá do đạo ôn. (The rice field has scorched leaves due to blast disease.)
- Phun thuốc phòng trừ đạo ôn là biện pháp cần thiết. (Spraying fungicide to prevent blast is a necessary measure.)
Advanced Usage
- Technical/Agricultural Context: The term is almost exclusively used in agricultural, botanical, or scientific contexts related to rice cultivation and plant pathology.
- Nghiên cứu về cơ chế kháng bệnh đạo ôn. (Research on the resistance mechanism to rice blast disease.)
Variants and Related Words
- Bệnh đạo ôn: A more complete term, where "bệnh" means "disease." This is the most common way to refer to it.
- Theo dõi sát sao để phát hiện sớm bệnh đạo ôn. (Monitor closely for early detection of rice blast disease.)
- Nấm đạo ôn: Refers specifically to the blast fungus itself ().
- Nấm đạo ôn lây lan nhanh trong điều kiện ẩm ướt. (The blast fungus spreads quickly in humid conditions.)
Synonyms
- Rice blast: The direct and most common English equivalent.
- Blast disease (of rice): A descriptive synonym.
- Pyricularia blast: A more technical synonym derived from the fungal genus name.
Related Phrases/Compounds
- Đạo ôn cổ bông: Refers specifically to "panicle blast" or "neck blast," a severe form of the disease that attacks the rice panicle (flowering/fruiting part).
- Đạo ôn cổ bông có thể làm lúa lép hoàn toàn. (Panicle blast can cause complete grain sterility.)
- Đạo ôn lá: Refers specifically to "leaf blast," which affects the leaves of the rice plant.
- Triệu chứng ban đầu của đạo ôn lá là những đốm hình thoi. (The initial symptom of leaf blast is spindle-shaped spots.)
- (nông nghiệp) piriculariose