Exploitation of plant growth substances for improving the yield and quality of pomegranate under ultra high density planting

The present investigation was conducted in the Department of Fruit Crops, HC & RI, TNAU, Coimbatore during the year 2011 to 2013 at Jain Irrigation Systems Pvt. Limited Farms, (JISL), Udumalpet, to investigate the response of plant growth substances on yield and quality of pomegranate cv. Mridula under ultra high density planting (UHDP). The experiments was laid out in randomized block design with nine treatment of plant growth substances viz., NAA 10 ppm, GA3 50 ppm and KNO3 1 % and combination of each two and three including of water spray and were sprayed three times from 150 days after pruning subsequently, at 30 and 60 days after first spray and absolute control were maintained.