1. Altman DW, Stelly DM, Kohel RJ (1987) Introgression of the glanded-plant and glandless-seed trait from Gossypium sturtianum Willis into cultivated upland cotton using ovule culture. Crop Sci 27: 880 - 884
2. Ansari BA (1994) Heterotic performance of intraspecific hybrids of Gossypium hirsutum L. Sarhad J Agril 10: 681 - 686
3. Baloch MJ, Tunio GH, Lakho AP (1993) Performance of F1 hybrids from intra hirsutum crosses of upland cotton. Pak J Sci Ind Res 36: 38 - 40
4. Basu AK (1988) Glimpses of history of varietal improvement of cotton in India. ISCI J 13: 1 - 13
5. Bhale NL, Bhat MG (1989) Use of honeybee (Apis cerana indica) as pollinator in hybrid seed production on male sterile lines of upland cotton (Gossypium hirsutum). Indian J Agric Sci 56: 74 - 77