The document "New Insights into Crop Molecular Breeding and Genetics" published in the Agronomy journal discusses the use of biotechnologies to optimize crop cultivation and increase agricultural productivity. The research focuses on various crops such as rice, maize, soybean, castor, Chinese cabbage, papaya, pineapple, Leucaena, and Tartary buckwheat, highlighting methods to enhance yield, quality, resistance, and stress tolerance. The findings provide valuable insights for genetic improvement in crops and sustainable agricultural development, emphasizing the importance of new technologies in plant biotechnology.