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An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

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European Journal of Pharmaceutical and Medical Research (EJPMR) has indexed with various reputed international bodies like : Google Scholar , Indian Science Publications , InfoBase Index (In Process) , SOCOLAR, China , Research Bible, Fuchu, Tokyo. JAPAN , International Society for Research activity (ISRA) , Scientific Indexing Services (SIS) , Polish Scholarly Bibliography , Global Impact Factor (GIF) (Under Process) , Universal Impact Factor , International Scientific Indexing (ISI), UAE  , Index Copernicus , CAS (A Division of American Chemical Society) USA (Under Process) , Directory of Open Access Journal (DOAJ, Sweden, in process) , UDLedge Science Citation Index , CiteFactor , Directory Of Research Journal Indexing (DRJI) , Indian citation Index (ICI) , Journal Index (JI, Under Process) , Directory of abstract indexing for Journals (DAIJ) , Open Access Journals (Under Process) , Impact Factor Services For International Journals (IFSIJ) , Cosmos Impact Factor , Jour Informatics (Under Process) , Eurasian Scientific Journal Index (ESJI) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Pubmed Database [NLM ID: 101669306] (Under Process) , IP Indexing (IP Value 2.40) , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , Scope Database , Academia , 

 ISSN 2394-3211

Impact Factor: 7.065

 ICV - 79.57



H. C. Singh*, Parvej Alam, A. K. Srivastava, Geeta Rai and Ajay Kumar


Seventy eight genotypes of maize [12 parents + 66 F1s (derived from 12 parental diallel cross excluding reciprocals)] were evaluated for eleven attributes namely; days to tasseling, days to silking, days to maturity, plant height (cm) cob height (cm) ear length (cm), ear diameter (cm) number of grain rows per ear, number of grains per row, 1000- kernel weight (g) and grain yield per plant (g). Analysis of variance of means revealed highly significant differences for all the characters among parents and crosses. Phenotypic coefficient of variability (PCV) was higher than corresponding genotypic coefficient of variability (GCV) for all the characters except 1000 - kernel weight. The maximum phenotypic variability was estimated in grain yield per plant (16.16%) followed by rows per ear (11.38%) and 1000 - kernel weight (10.72%) and the least was observed in days to tasseling (3.27%), High broad sense heritability estimates were observed for all the characters (83.50 to 100%) except for cob diameter, ear length and grains per row for which it was moderate (70.30 to 79.10%). An advancement of 27.76g in grain yield per plant was expected from single cycle of selection at k=2.06. Comparatively, the expected gain to the tune of 23.45% was estimated for grain yield per plant followed by 1000 - kernel weight (22.06%), grain rows per ear (21.96%) cob height (16.18%) ear length (12.34%) and grains per row (12.31%). Path analysis revealed that ear diameter, number of rows per ear, days to tasseling and ear length had positive and high direct effect on grain yield per plant. The characters directly related to grain yield viz ear length ear diameter, rows per ear, grains per row and 1000 - kernel weight were significantly and positively correlated hence due emphasis be paid on these characters while making selection for grain yield.

Keywords: maize, genetic variability, selection parameter, heritability, genetic advance, correlation, path analysis.

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia