Estimation of heterosis for some traits in Linseed (Linum usitatissimum L.) in Central Uttar Pradesh

The estimation of economic for parent heterosis Linum usitatissimum L. genotypes 11 characters namely, Flowering duration (Days), Bud length (mm), Bud width (mm), Sepal thickness (mm), Maturity period (Days), Dough stage bud fly infestation (%), Capsules/ plant, Grains/ capsule, Yield/ plant (gm), Test weight (1000) grains and Oil content % were studied for testing the significance of differences among the treatments on experiment conducted at Oilseed Research Farm, Kalyanpur, of the university Kanpur during rabi 2012-13. The heterosis over economic parent (Neelum) showed positive and significant results. Crosses are JRF-5×Neela, GS-234 × IC-15888, GS-234 × JRF-5, EC-1424×GS-234, EC-1424×IC-15888, EC-1424×JRF-5, EC-1424×Neela, GS-234× Neela, IC-15888×JRF-5, IC-15888×Shekhar, IC-15888×Neela, JRF-5×Shekhar, Shekhar×Neela and IC-15888×Neelum. sepal thickness, (JRF-5×Shekhar, JRF-5×Neelum and JRF-5×Neela). Days to maturity, (EC-1424× Shekhar). Dough stage bud fly infestation, EC-1424×IC-15888, EC-1424×JRF-5, IC-15888×Neelum, Shekhar×Neelum, IC-15888×JRF-5, GS-234×Neela, JRF-5×Neelum and Neelum×Neela. Capsule per plant, (GS-234×Shekhar, IC-15888×Shekhar, IC-15888×Neela and JRF-5 × Shekhar) Oil content and EC-1424×IC-15888, IC-15888×Neelum, JRF-5×Neelum, Shekhar× Neelum, IC-15888×JRF-5 and Neelum×Neela. for Seed yield per plant.