Indian Journal of Agricultural Research
Chief EditorV. Geethalakshmi
Print ISSN 0367-8245
Online ISSN 0976-058X
NAAS Rating 5.60
SJR 0.293
Chief EditorV. Geethalakshmi
Print ISSN 0367-8245
Online ISSN 0976-058X
NAAS Rating 5.60
SJR 0.293
Stability for seed yield in ajwain based on Gentoype Selection Index
Submitted28-05-2014|
Accepted16-05-2016|
First Online 09-06-2016|
Ajwain is the second most important seed spice crop in Andhra Pradesh, India. It is grown as rainfed crop in vertisols. The crop is sown usually during July to September as a rainfed crop. There is a need for identifying suitable high yielding genotypes adaptable to rainfed vertisols. In view of this, fourteen genotypes were evaluated for their performance in rainfed vertisols for four years. The uniqueness of the rainfed environment which varies with year to year was taken as advantage and Additive Main Effect and Multiplicative Interaction (AMMI) analysis was used to understand the complex genotype x environment (GE) interactions. Further AMMI Stability Values and Genotype Selection Index (GSI) were worked out for the genotypes. Stability when assessed should be reliable. Genotype Selection Index (GSI) due to its nature of combining the estimated the stability measure and yield data, gave more useful information for selection and recommendation. The most desirable genotypes for selection of both stability and high grain yield were genotype 3 (LTa-26) followed by genotype 2 (LTa-25).
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