The researchers studied genetic diversity in brinjal plants by analyzing nine different traits using a statistical method called Mahalanobis D2. They found that the 35 genotypes could be grouped into nineteen clusters, showing a wide range of diversity. Some clusters had more genotypes than others, and there was no clear link between where the plants were from and how genetically different they were. The traits that had the biggest impact on diversity were total fruit yield, fruit length, days to first flower, and number of branches per plant. This diversity could be used to develop new high-yielding hybrids in future breeding programs.