Self-incompatibility (SI) is a genetic mechanism that allows flowering plants to identify and block fertilization by self-pollen. In the Solanaceae. SI is controlled by a multiallelic S-locus encoding both S-RNases and F-box proteins as female and male determinants. respectively. https://www.roneverhart.com/BULK-PACK-3-12-Ivory-Dragon-Cloud-Premium-Texture-Fibrous-Paper-Lantern/