Meiotic studies in the ha ploids 2n equals 2 x equals 26 of the tetra ploid cottons 2n equals 4 x equals 52 Mehetre, S.S.; Thombre, M.V. Proceedings of the Indian National Science Academy Part B Biological Sciences 47(4): 516-518 1981 https://eurekamag.com/research/005/874/005874120.php