Integrated Physiological, Multi-Omics Analyses Reveal Key Factors Underlying Seed Abortion in Dimocarpus longan

Embryo abortion severely limits fruit set and yield stability in longan (Dimocarpus longan), yet the upstream physiological triggers and coordinated molecular program remain incompletely defined. Here, we characterized normal seed-forming (NF) and aborted seed-forming (AF) fruits at the critical abortion window by integrating phenotyping, mineral nutrient profiling, embryo-targeted RNA sequencing, and quantitative proteomics, followed by cross-omics association analyses.