Citation: Gurdev S Khush. 1995. Modern varieties – their real contribution to food supplies and equity. Geo Journal 335(3):275-284.

Keywords: Oryza sativa, yeld potential, short growth duration, multiple insect and disease resistance, blast, bacterial blight, tungro, grassy stunt, green leafhopper Nephotettix virescens, brown planthopper Nilaparvata lugens, stemborer Scirpophaga incertulas, Chilo suppressalis, gall midge Orseolia oryza, grain quality, tolerance to abiotic stresses, combinations of desirable traits, contribution to food supply and equity, farmer adoption of modern rices, impact on rice production, increasing yield potential of irrigated rice, hybrid rice, new plant type, increasing yield stability, developing improved germplasm for unfavorable environments, rainfed wetlands.