First global estimate of importance of pollinators for seed production in plants

Source: Science Daily

Without pollinators, a third of flowering plant species would produce no seeds and half would suffer an 80% or more reduction in fertility. Therefore, even though auto-fertility is common, it by no means fully compensates for reductions in pollination service in most plant species.

https://www.sciencedaily.com/releases/2021/10/211013152109.htm