Tree girth (cm) Age group Germination (%) 75-80 Juvenile 45 ± 6.51 81-90 Young 54 ± 10.11 91-105 Over mature 33 ± 5.04 106-150 Senile 21 ± 2.78

Table 4: Germination percentage of Shorea robusta seeds collected from trees of different girths.