Modified atmosphere storage technique for the management of pulse beetle, Callosobruchus chinensis in Horse gram

The present study was aimed to investigate the effect of modified atmosphere with elevated levels of CO₂ against pulse beetle, C. chinensis in stored horse gram. Seeds were artificially infested with C. chinensis and exposed to CO₂(30%, 40% and 50%) and packed in air tight containers. Concentrations of 40% and 50% CO₂ not only checked seed infestation but also checked the progeny production of pulse beetle and reduced the weight loss of seed compared to normal atmosphere. Storage of horse gram seeds in CO₂ rich atmosphere also maintained seed quality without any detrimental effect on germination and seedling vigor up to six months of storage.