Diallel analysis was carried out by using eight parents of garden pea (Pisum sativum L.) along with 28 hybrids. These were evaluated for heterosis. Analysis of variance revealed significant difference for all the characters except length of pod indicating the presence of genetic diversity in the studied material. The amount of heterosis was high for number of pods per plant and green pod vield per plant, moderate for days to 50 per cent flowering, plant height, number of primary branches per plant and number of seeds per pod, while remaining characters exhibited low heterosis. The most heterotic hybrids for green pod yield per plant were HUVP: 1 x UU-11, HUVP-1 x PH-1 and PH-1 x UU-11.
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