1. DEFINITIONS OF PLANT PROTECTION DRUGS
1.1. DEFINE
What are pesticides? Pesticides are toxic compounds of natural origin or chemical synthesis used in agriculture to prevent objects that are harmful to plants and agricultural products in fields, gardens and warehouses. Generally, pesticides.

1.2. CLASSIFICATION OF PLANT PROTECTION DRUGS (Pesticide)
Pesticides have many different types (about over 10,000 toxic compounds) and have many different classifications.

CLASSIFICATION OF Pesticide Drugs According to the object of eradication
- Pesticides

- Antidote

- Antibacterial drugs

- Anti-nematode

- Spider repellent

- Snail repellent

- Rat poison

- Weed killer...

CLASSIFICATION BY HOW OF DRUG INTRODUCTION Pests
- Poisonous drugs: Poison through the digestive tract

- Drug contact: Toxic through the skin, through the body shell vỏ

- Fumigants: Toxic through inhalation...

* Classification by origin and chemical composition has:

- Inorganic chemical drugs

- Organic synthetic chemical drugs

- Herbal medicine...

1.3. TYPES OF PLANT PROTECTION DRUGS
- Milk form: EC, ND

- Absorbent powder: WP, BTN, BHN

- Powdered medicine: EASY

- Granular drugs: G, H

- Liquid drugs: SL, DD

- Water-soluble powder: SP

- Drugs in suspension: SC

- Very small amount of spray: ULV

1.4. REGULATIONS ON POISONING DRUGS
Vietnam currently applies the classification principles of the World Health Organization.

Acute LD50 (in rats) of the finished product (mg/kg).