Author(s):

Himanshu Rai, Ramesh Nath Gupta, Shyam Babu Sah and OS Dahiya

Abstract: Indian mustard (Brassica juncea L. Czern & Coss) is an important economical oilseed crop worldwide. An experiment was carried out at the Department of Seed Science & Technology, CCS Haryana Agriculture University, Hisar, Haryana to prepare an identification key for mustard varieties. It was based on seed characters of twenty Indian mustard varieties release for general cultivation from the various organizations. The characterization of varieties was based on the morphological characters as well as response of chemical seed tests. Mustard varieties were distinguished from each other on the basis of seed colour, test weight, oil content, phenol test, modified phenol test, potassium hydroxide test, peroxidase test and 2, 4-D auxin test. These seed characters based identification key can be an effective tool for maintaining the genetic purity of the varieties during seed certification process.

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