Floral descriptor for different hybrids of mango (Mangifera indica L.) under Terai region of Uttarakhand

The different cultivars of mango i.e. “Amrapali, Mallika, Pusa Arunima, Pusa Surya, Ambika Arunika, Neeleshan, Neeluddin, Neelgoa, Ratna, Swarna Jahangir, Arka Neelkiran, Mahmood Bahar, Pant Sinduri, Dashehari and Langra” were studied for panicle initiation time, date of start of flowering, full boom, duration of flowering, total number of flowers proportion of male to hermaphrodite flowers and size of panicle. The present studies revealed that panicle emergence was found earlier in Arka Neelkiran (27th ? 31th January) and late in Langra (22nd Feb ? 4th March) and in case of other it was noticed within the month of February. The start of flowering was earlier in Amrapali, while, it was late in cultivar Langra. Maximum duration was observed with Arka Neelkiran (39 days) and minimum (18 days) in case of Pant Sinduri, Swarna Jahangir and Ambika. Length of panicle was found maximum in cv. ‘Pant Sindhuri'. The maximum number of flowers per panicle was observed in Pusa Arunima (788.00). Number of hermaphrodite flowers was observed maximum in Pusa Arunima (486.33) which was statically at par with Ambika (472.67), while, minimum number of hermaphrodite flowers was obtained in Arunika (199.00). The significant lower sex ratio was observed in Ambika and Arka Neelkiran i.e. 0.59 which was statistically at par with Pant Sinduri (0.62) and Pusa Arunima (0.67), and higher sex ratio was noted in case of Dashehari (1.90) followed by Ratna (1.70).