Methods of supplementary pollination

• Supplementary pollination is artificially shaking the canopy of the pollen parent at flowering to increase cross pollination.

• Supplementary pollination

• • causes anthers to shed all of their pollen.

  • disperses pollen grains uniformly over the seed parent plants.

  • increases seed set in the seed parent.

• Supplementary pollination is done by

• • two persons pulling a 1-cm diameter rope across the two R lines.

  • one person stirring the canopy layer of the R lines with a bamboo stick, taking care not to break off the panicles at the neck.