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International Journal of Agronomy
Volume 2017, Article ID 9840130, 6 pages
Research Article

Growth and Fruit Yield of Okro as Influenced by Genotypes and Mulch in the Guinea Savannah Conditions of Ghana

1CSIR-Savanna Agricultural Research Institute, P.O. Box TL 52, Tamale, Ghana
2World Vegetable Center, West and Central Africa-Coastal Humid (WCA-CH) Regions, Liaison Office Cameroon, P.O. Box 2008, Messa, Yaounde, Cameroon

Correspondence should be addressed to Richard Yaw Agyare; moc.liamg@58wayerayga

Received 4 August 2017; Accepted 10 October 2017; Published 7 November 2017

Academic Editor: Maria Serrano

Copyright © 2017 Richard Yaw Agyare et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The experiment was carried out to assess the suitability of different mulch materials in enhancing the growth and fruit yield of okro. Ten okro genotypes were evaluated in a split plot design with 3 replications. Three treatments of mulch (black plastic, grass, and no mulch) represented the main plots with the genotypes as the subplots. The result indicated significant genotypic variability among the genotypes for all parameters except plant girth. However, genotype and mulch interaction was not significant. The genotype Sasilon had the tallest plants (82.6 cm) and the highest fruit yield under all mulch conditions while Koni had the widest fruits (34.1 mm) with TZ SMN 10-3 having the longest fruits (16.11 cm). Number of fruits per plant ranged from 30 to 11 with an average of 21. Mulching significantly influenced all parameters except fruit width and mean fruit weight. Plastic mulched plots had the greatest heights while no mulching had the least. The highest average yield was obtained under plastic mulch (3.49 t/ha) which was 4.2% higher than grass (3.34 t/ha) and 11% higher than no mulch (3.11 t/ha). The study has shown that mulching with black plastic or grass ensures vigorous growth and improves the fruit yield of okro.