Author(s):

S Mahanta, MC Talukdar and P Talukdar

Abstract: The present investigation was carried out at the Experimental Farm of the Department of Horticulture, Assam Agricultural University, Jorhat during 2015-16 to identify a suitable and stable genotype for higher flower yield across the environments. The stability analysis was done over six environments created by three dates of planting and two spacing’s. Twelve marigold varieties were studied over the six environments for eleven growth and flower characters including flower yield. There was significant genotype-environment (GE) interaction for all the characters except for plant height and number of ray florets. Both linear and non linear components contributed towards GE interaction except disc floret. Seracole followed by Pusa Narangi Gainda and Pusa Basanti Gainda were found to be the best for flower yield and possess considerable average stability making them appropriate varieties for recommendation in Assam.

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