• Ecophyto
  • Logo-Cirad
  • RITA
  • Logo-CA
  • FREDON
  • LPA-COCONI

Yam

(Ipomoea potatoes)

 

  • Type of vegetable : leaves, underground organs
  • Optimum growth pH range: 5-6.8
  • Optimal growth temperature range : 21-28°C
  • Organic matter requirements :
  • Rooting : deep (more than 120 cm)
  • Special requirements : short day plant. Days of 11 hours and cool nights promote tuberization (over 14 hours, tuberization inhibited). Well suited to Mayotte.

 

  • Seed characteristics
  • Nursery : No
  • Line spacing : 90 - 120 cm
  • Interplant  : 30 - 50 cm
  • Remarks : 30 cm cuttings (terminal shoots) stripped at the base and buried inclined at 45°C
  • Duration of the crop cycle under optimal growing conditions
Field

Pollination at commercial maturity

100-180 d -

 

  • Optimal storage conditions
Temperatures Relative humidity Average shelf life
13-15°C 85-90% 4 to 7 months
Last change : 07/25/22