+2 Botany -6. Biology in Human welfare (part -7) Plant Pathology ( plants disises and its control methods)

+2 Botany -6. Biology in Human welfare (part -5) Bio pestizide

+2 Botany -6. Biology in Human welfare (part -4) Bio fertilizer

+2 Botany -6. Biology in Human welfare (part -3) Plant breeding - Hybrid vigor or Hetrosis

2 Botany -6. Biology in Human welfare - Part 2 ( Plant Breeding - Plants Introduction methods)

+2 Botany - 6. Biology in Human welfare (Plant Breeding ) Part 1