TUTEJA, O P, and MANJU BANGA. “Effects of Cytoplasm on Heterosis for Agronomic Traits in Upland Cotton (Gossypium Hirsutum )”. The Indian Journal of Agricultural Sciences, vol. 81, no. 11, Nov. 2011, https://epubs.icar.org.in/index.php/IJAgS/article/view/12014.