1. Arnon, D.I., 1949. Copper enzymes in isolated chloroplasts phenoloxidases in beta vultaris. Plant Physiol 24: 1–15.
2. Basu, A.K. & N.B. Patil, 1993. Producing quality cotton from commercial cotton hybrids grown under rainfed conditions in India. Technical Seminar at the 52nd Plenary Meeting of the International Cotton Advisary Committee, New Delhi.
3. Chaudhry, M.R., 1997. Commercial cotton hybrids. The Int Cotton Advisory Committee Recorder XV(2): 3–14.
4. Dong, H.Z., W.J. Li, W. Tang & D.M. Zhang, 2004. Development of hybrid Bt cotton in China- a successful integration of transgenic technology and conventional techniques. Curr Sci 86: 778–782.
5. Evans, L.T., 1993. Crop Evolution, Adaptation, and Yield. Cambridge University Press, Cambridge.