Effective Management of shoot gall psylla doubled the production of mango
Amongst various insect-pests, shoot gall psylla, Apsylla cistellata Buckton (Psyllidae: Homoptera) is a devastating pest of mango causing formation of galls on the leaf axils which result in inhibition of inflorescence and most of the affected branches later dry up. According to an estimate, mango orchards in more than 4,000 ha area are badly affected with incidence of shoot gall psylla in Dehradun district of Uttarakhand. From last one decade, the incidence of shoot gall psylla has increased considerably in Dehradun. Earlier, monocrotophos, dimethoate and quilanphos insecticides recommended for the control of shoot gall psylla these insecticides are not giving any relief to the farmers from the last 6-7 years, may be due to continuous use of these insecticides and change in agro environmental conditions.
Krishi Vigyan Kendra, Dehradun approached ICAR-Central Institute of Sub Tropical Horticulture, Lucknow for effective management of shoot gall psylla in mango. The Institute suggested that thiamethoxam 1 g/liter of water + profenophos 2 ml/ liter of water + sticker 1 2 ml/ liter of water effectively manages of shoot gall psylla. Demonstrations conducted along with earlier recommended insecticides in which two spray of thiamethoxam 1 g/ liter of water + profenophos 2 ml/ liter of water have been reduced the incidence of shoot gall psylla up to 90 % in most affected orchard.