Assessment of mango hopper population during flowering period on mango (Mangifera indica L.) cv. Alphonso under South Konkan Agroclimatic conditions

The experiment was conducted during October 2017 and, 2018, flowering induction to flowering period at Mango Research Sub-Centre, Rameshwar, Tal. Deogad, Dist. Sindhudurg (Maharashtra) to study the mango hopper population during the flowering period in mango cv. Alphonso. The post-monsoon vegetative flush was emerged in 43^rd SMW and vegetative flush phase was further observed upto 46^th SMW. The flowering was initiated in 45^th SMW and complex phase (Vegetative flush and flowering) was advanced for next one week. The mean population of mango hopper per panicle was studied weekly during the 15 weeks period and it was in the range 0.5 to 21.0 hoppers per panicle. The maximum incidence of mango hopper (17.17 hoppers per panicle) was recorded in 48^th SMW and lowest population (1.75 hoppers per panicle) was in 3^rd SMW. The population of the mango hoppers was declined gradually from the 50^th SMW. The population of mango hopper was significantly highest (7.61 per panicle) was near creek area(Valley conditions) whereas it was lowest (6.63 per panicle) in upper site.