International Journal of Agriculture Extension and Social Development

author(s)
Sumit Vashisth and Sudhir Verma

abstract
For the effective transfer of improved agricultural innovation to the farming community, front-line demonstration is the most suitable means. Krishi Vigyan Kendra, Lahaul and Spiti II at Tabo, Himachal pradesh have conducted a front line demonstration as plant protection technologies and management practices in the farmers’ apple orchard under cold desert region during 2019-20 to 2021-22, in all 30 demonstrations on the management of woolly apple aphid in apple. With the timely application of plant protection measures, the apple fruit yield was 13.78% higher than that of farmers (295 q/ha). Thus, the average technology gap, extension gap, and technology index of 64.33 q/ha, 40.67 q/ha and 16.08 percent, respectively were obtained between demonstration and farmer practices.