Pepper Genetics

Reactive Publishing

This book is a deep, modern exploration of how peppers become what they are, how heat is engineered inside the plant at the molecular level, how aroma compounds emerge from biochemical pathways, and how breeders can intentionally shape both traits with precision. This is not a casual gardening book; it is a guided entry point into the world of Capsicum genetics for growers who want to create elite, high-performing varieties.

Inside, readers learn how capsaicinoid production is regulated, how to select for specific heat curves, and how to stabilize rare phenotypes. The book breaks down the full inheritance patterns across Capsicum species and shows how to manipulate those patterns through controlled crosses, backcrossing, hybrid vigor, and trait stacking. Lilly also explains the subtle but critically important role of terpenes, esters, and volatile aromatics - the compounds that give peppers their signature scent, complexity, and culinary identity.

Growers will discover how to design a breeding program, evaluate parental lines, optimize pollination techniques, and track generational improvements. Detailed frameworks outline how to measure heat accurately, rank aroma intensity, and use modern data-driven selection to build superior cultivars season after season.

From stabilizing superhot lines to crafting nuanced, high-aroma culinary peppers, this book equips breeders, hobbyists, and advanced growers with the scientific and practical tools to shape the next generation of Capsicum. It is the definitive guide for anyone who wants to create peppers that are hotter, more fragrant, more complex, and truly their own.