Acacia Mangium Trial Data

Trial site: GP Samarakan

Seed lot: GP SPA 1081

Species: Acacia mangium

Treatment: 3000±100 seeds

Tray: BCC multi-cell growing tray

Date Sown: 4 November 2010

Treatment: 1 Control and 16 treatments

Fertilizer:

  • Control: Agroblen 10-26-10+2.5MgO+TE at 10kg/m3
  • SK Cote: SK Cote Plus 13-26-8+0.8MgO+TE
    • 0% uncoated at 5, 10, 15 and 20kg/m3 (T1, T2, T3 and T4)
    • 10% uncoated at 5, 10, 15 and 20kg/m3 (T5, T6, T7 and T8)
    • 20% uncoated at 5, 10, 15 and 20kg/m3 (T9, T10, T11 and T12)
    • 30% uncoated at 5, 10, 15 and 20kg/m3 (T13, T14, T15 and T16)

​Grading:

  • 1st grading at 9-10 weeks
  • 2nd grading at 13-14 weeks

​Grading Criteria:

  • Ready 1: >25cm in height, >4 phyllodes, root collar diameter >3mm
  • Ready 2: >20cm in height, >4 phyllodes, root collar diameter >3mm
  • Delays: <20cm in height, <4 phyllodes, root collar diameter <3mm
  • Culls: <10cm in height, disease ridden or dead

Data collected as follows.

SK Cote Trial Germination
SK Cote Trial Germination Rate
SK Cote Trial Acacia Mangium First Grading
SK Cote Ready 1 Rate
SK Cote Ready 2 Rate
SK Cote Ready Output Rate
SK Cote Trial Acacia Mangium Final Grading
SK Cote Trial Total Output Rate
SK Cote Trial Total Delay Rate
SK Cote Trial Average Height
Observation:

  • Rates that performed better than control were 5 and 10kg/m3 for all uncoated levels.
  • Almost all of SK Cote had better average height than control.
  • Best performance was of SK Cote at 20% uncoated level and 10kg/m3 rate. The total output was significantly higher and the average height was higher too. It was also noted that a higher percentage of output was achieved at the first grading compared to control.
×

Powered by WhatsApp Chat

× How can I help you?