MADRAS AGRICULTURAL JOURNAL
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Studies on Seed Dormancy and Breaking Methods in Groundnut cv.VRI 7

Abstract

                                The semispreading groundnut variety VRI 7, a hybrid derivative was used tostudy the dormancy status and breaking methods. The cultivar VRI 7 exhibiteddormancy for a duration of 30 days. The fresh kernels were subjectedto various dormancy breaking treatments viz., warm stratification, coldstratification, seed treatment with GA3, ethrel and their combinations. Amongdifferent dormancy breaking treatments, groundnut kernels subjected towarm stratification was evaluated as the effective treatment for breakingdormancy and enhanced the seed germination and vigour.

Key words : Dormancy; Groundnut; ethrel; GA3; warm stratification and cold stratification

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