This document provides an abstract for Volume 4, Issue 4 of the journal HortFlora Research Spectrum published in December 2015. It includes 20 research article summaries related to horticulture and floriculture. The summaries cover topics like physico-chemical variations in Nagpur mandarin fruits, genetic diversity assessment of garlic germplasm using microsatellite markers, changes in physical and biochemical attributes during fruit development of aonla, the impact of vermicompost and plant growth promoting bacteria on custard apple growth, and effect of planting densities on guava yield and quality. The document also provides information about the journal's international impact factors.