Pre Fertilisation Structures & Events Pre fertilisation events are the processes that occur before the fusion of male and female gametes in flowering plants. Key Structures: Androecium: Male reproductive part producing pollen Indoor Plant Soil Mix 8 quarts Perfect Plants When to Plant Calla Lily Bulbs Outside Echinacea Pallida Drought Tolerant Pale Purple Coneflower Flower Seeds The Basil Trick: Everything You Need to Know