Description
Oryza sativa, commonly known as Asian rice, is the plant species most commonly referred to in English as rice. It is the type of farmed rice whose cultivars are most common globally, and was first domesticated in the Yangtze River basin in China 13,500 to 8,200 years ago.
Oryza sativa is a grass with a genome consisting of 430Mb across 12 chromosomes. It is renowned for being easy to genetically modify and is a model organism for cereal biology.
Germination Guide
🌍 Southeast Asia
Easy
Oryza sativa is a semi-aquatic cereal grass native to Southeast Asia. Unlike other crops, rice can germinate under hypoxic (low oxygen) conditions and is traditionally grown in flooded fields. It is a staple food for more than one-third of the world population.
Germination
Germination time
Expect germination in
3 – 10 days
Temperature
Min 15°C
Ideal 30°C
Max 40°C
Substrate moisture
💧💧 High
Sowing depth
Lightly covered
Seed Pre-treatment
-
💧
Soaking — 24 hours
Soaking for 24h improves germination; soaking at 30°C for 12h reduces germination time by ~18 hours
-
🔥
Smoke/Fire treatment
Commercial liquid smoke can elicit germination in dormant seeds
-
📋
Additional notes
Pre-soaking for 24h or seed priming (24-48h soaking followed by drying) improves seedling establishment under stress
Substrate & Container
Recommended substrate
moist or wet soil, paddy fields
Growing Tips
Rice germinates readily at 20-30°C; germination at 30°C optimal with 85% germination rate. Red light enhances germination (98%) compared to other light colors. Seeds can tolerate flooded conditions during germination. Intact seeds may show better germination than dehusked seeds depending on cultivar.
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