Research progress in genetic breeding of coffee

<p indent="0mm">Coffee is an important economic crop, which is known as “one of the three major non-alcoholic beverages” in the world. The development of coffee production experienced three main stages: globalization, snackification, and specialization. The consistent domestication and improvement of coffee varieties are the reason for its popularization globally. Here, we summarized the characteristics of coffee breeding during different stages, and proposed the directions of future research based on the problems during the improvement of coffee varieties and the development trends of world coffee industry.