Definition

1. Noun:
   • Pests and diseases: A compound term used in agriculture and horticulture to collectively refer to harmful insects (pests) and plant diseases (often caused by fungi, bacteria, or viruses) that damage crops and plants.

Usage Examples

• Noun:
  • Vườn cây ăn quả này thường xuyên bị đe dọa bởi nhiều loại sâu bệnh. (This fruit orchard is frequently threatened by many types of pests and diseases.)
  • Nông dân cần phát hiện sâu bệnh sớm để có biện pháp xử lý kịp thời. (Farmers need to detect pests and diseases early to have timely treatment measures.)
  • Giống lúa mới có khả năng kháng một số sâu bệnh chính. (The new rice variety has resistance to some major pests and diseases.)

Advanced Usage

• The term is often used in formal, technical, or agricultural contexts. In everyday conversation, people might separate the concepts, saying "sâu" (worms/insects) or "bệnh" (disease) individually.
• It functions as a singular, collective noun. You typically say "nhiều loại sâu bệnh" (many types of pests/diseases), not "những sâu bệnh".

Variants and Related Words

• Dịch hại (n): A more formal and scientific synonym for "pest" or "blight," encompassing insects, diseases, and other harmful organisms.
• Côn trùng gây hại (n): Harmful insects (specifically insect pests).
• Bệnh hại cây trồng (n): Plant diseases (specifically pathogenic diseases).

Synonyms

• Pests and diseases: The most direct translation.
• Plant pathogens and pests: A more scientific synonym.
• Blights and pests: A synonym emphasizing destructive effects.

Related Phrases and Compounds

• Thuốc trừ sâu bệnh (n): Pesticide (a general term for substances that kill both insects and fungal/bacterial diseases).
• Phòng trừ sâu bệnh (v): To prevent and control pests and diseases.
• Kháng sâu bệnh (adj): Pest-resistant and disease-resistant (used for plant varieties).

1. Pest, insect
   • Thuốc trừ sâu bệnh
     Insecticides, perticides