1. Ackerman WL (1971) Genetics and cytological studies with Camellia and related genera. Technical Bull. No 1427. USDA, US Gov Print Office, Washington, DC, p 115
2. Ahmed N, Singh ID (1993) A technique for rapid identification of ploidy level in tea. Two Bud 40:31–33
3. Amma S (1974) Characteristic of tetraploid tea induced from gamma irradiated Yabukita variety. Study Tea 46:1–6
4. Anon (1973) Annual report. Tea Research Institute of Sri Lanka, Talawakelle, pp 38–39
5. Anon (1979) Annual report. Tea Research Institute of Sri Lanka, Talawakelle, p 64