Quality indices, preferences and quality rating method for sorghum grain as derived from their relationship to grain market price.

摘要

This study assesses some quality indices (grain size, grain hardness, percentage of normal grains, damaged grains (molded grains), insect-eaten grains, 100 seed weight, proportion of grains of different weight categories, and components of the proximate principles) of 42 sorghum grain samples of different market prices from the kharif and rabi harvests. The samples were collected in Hyderabad, India. The study identifies the relatively important quality parameters determining the market prices of the samples, and develops an objective quality indexing system for sorghum grain samples based on the relationship between the levels of quality characteristics and market prices of the grain samples. The preferred levels of each quality characteristic are estimated from the simple correlation relationship between the market values and the particular quality characteristic values of the sorghum grain samples.