Acrocarpus fraxinifolius is a fast-growing tropical tree native to South and Southeast Asia, valued for timber and agroforestry. Seeds have hard coat requiring pre-treatment for optimal germination.
Before sowing
Scarification
quimica Sulphuric acid for 10 minutes or mechanical scarification with knife/sandpaper
Soak
18 h Leave in water for 12-24 hours after acid/heat treatment
Hot water (80°C) for 15 minutes and imbibe 12-24 hours before sowing, OR sulphuric acid 10 minutes
Sowing
Substrate
Sandy, well-drained compost, loam, clay-loam
Depth
levemente_coberta
Temperature
22°C
Moisture
alta
Container
Beds or containers in shade
What to expect
Step 1
Pre-treat the seed
Step 2
Sow at levemente_coberta · 22°C
Day 2–7
Seedlings emerge (~88%)
Tips
Sow in shaded bed. Seedlings ready for planting at 3 months and 30-45 cm tall. Prefers moist, fertile soils and full sun after establishment. Very sensitive to frost.
Sources: World Agroforestry Centre, PROTA database, PFAF, Tropical Plants Database, tropical.theferns.info
