Accession × Treatment Interaction, Variability and Correlation Studies of Pepper (Capsicum spp.) under the Influence of Arbuscular Mycorrhiza Fungus (Glomus clarum) and Cow Dung

Odunayo Joseph Olawuyi, Segun Gbolagade Jonathan, Fikayo Ezekiel Babatunde, Busayo Joshua Babalola, Ola Oluwa Simon Yaya, James Oludare Agbolade, Daniel Ayandiran Aina, Chike Joseph Egun

Department of Agronomy, College of Agriculture, Osun State Uni-versity, Ejigbo Campus, Ejigbo, Nigeria.
Department of Biosciences and Biotechnology, Babcock University, Lagos, Nigeria.
Department of Plant Sciences and Biotechnology, Federal University Oye-Ekiti, Oye-Ekiti, Nigeria.
Department of Statistics, University of Ibadan, Ibadan, Nigeria.
Genetics & Molecular Biology Unit, Department of Botany, University of Ibadan, Ibadan, Nigeria.
Mycology & Biotechnology Unit, University of Ibadan, Ibadan, Nigeria.

DOI: 10.4236/ajps.2014.55083                

Abstract

The field experiment was conducted in the Department of Botany, University of Ibadan, Nigeria between September to December 2012. Four accessions of pepper (Capsicum spp.), obtained from Moor plantation in Ibadan and LUTH (Lagos University Teaching Hospital) vegetable garden, Idi-Araba Lagos were evaluated to investigate the morpho-agronomic variability and interaction of accession × treatment × days after transplant in treatment combinations of arbuscular mycorrhizal fungus (Glomus clarum) and cowdung. The experiment was a 4 × 4 factorial arrangement laid out in a randomized complete block design with three replications. The combined analysis of variance showed significant accession, treatment, days after transplant, and accession × treatment interactive effect for most of the growth characters at P < 0.01 and P < 0.05. The result also showed significant difference in yield related traits of fruits for pepper accessions. The number of leaves per plant was significant and positively associated with plant height (r = 0.516; P < 0.05), and highly significant and positively correlated with the number of branches (r = 0.836; P < 0.01), but negative and non-significantly related with stem girth. Glomus clarum treated plants responded significantly with higher growth and yield. It suggested that G. clarum treatment had higher potential in influencing crop yield compared to cowdung and untreated plants. This study further explored the relationship between G.

Keywords

Capsicum; Glomus clarum; Cowdung; Variability; Yield

Conflicts of Interest

The authors declare no conflicts of interest.

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