Niger (Guizotia abyssinica (L. f.) Cass.), an oilseed crop from the Compositae family, thrives in temperate and tropical climates. Its small seeds, rich in oil (50–60% biocrude), are widely used for biodiesel, soap production, and as a condiment in culinary applications. Additionally, harvested Niger plants serve as green manure, improving soil health. However, Niger cultivation in India has significantly declined over the past decade due to low yields, a poor seed set, self-incompatibility, a low harvest index, and seed shattering. A lack of genetic diversity further restricts breeders from developing high-yielding cultivars. The discovery of hereditary male sterility in India has facilitated heterosis utilization and laid the foundation for breeding improved varieties. This review explores the use of traditional breeding methods and genetic tools to enhance Niger, emphasizing plant tissue culture, molecular markers, and the identification of promising gene targets to produce desirable traits. Advanced technologies like CRISPR/Cas, including base and prime editing, are promising to revolutionize Niger breeding and functional genomics research. The insights in this paper stress the urgent need to genetically improve Niger and other underutilized oil crops to meet the increasing global demand for sustainable and diverse oil crops. Such interventions could transform Niger cultivation, ensuring its role in global agriculture.

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