All the current Bt cotton hybrids available in India belong to which among the following species?
India is the only country to grow all four species of cultivated cotton Gossypium arboreum and herbaceum (Asian cotton), G.barbadense (Egyptian cotton) and G. hirsutum (American Upland cotton). Gossypiumhirsutumre presents 90% of the hybrid cotton production in India and all the current Bt cotton hybrids are G.hirsutuim. India produces large number of cotton varieties and hybrids. Though the number of varieties in cultivation exceeds seventy-five, 98% of the production is contributed by about 25 varieties only.
This question is a part of GKToday's Integrated IAS General Studies Module