Correlation Study on Growth and Yield Components of Rice (Oryza sativa L.) Varieties Grown under Integrated Weed Management in Sudan Savanna of Nigeria

Main Article Content

A. A. Ajala
A. Muhammad
A. I. Yakubu
M. Adamu
Y. A. Busari

Abstract

Weeds are the most prominent of all rice biotic stresses across all the ecologies in terms of yield reduction and increased cost of production. Weed control is therefore one of the most important and suggestive practices for potential rice production. Based on the above, field trials were carried out during 2017/2018 dry season at the Teaching and Research Fadama farm of the Kebbi State University of Science and Technology located at Jega (Latitude 12º21ˈN; Longitude 4º36ˈE) and that of Usmanu Danfodiyo University Sokoto located at Kwalkwalawa (Latitude 130 01ˈN, Longitude 5º09ˈE) to study the correlation between yield and selected parameters of some rice varieties grown in an integrated weed management (IWM) system. Both locations lie within the Sudan Savanna ecological zone of Nigeria. The experiment was done between December, 2017 and August, 2018. The treatments consisted of six (6) weed management options (Solarization/Orizo-plus (3WAT)/Hoe-weeding (6WAT), Round-up/Orizo-plus(at 3WAT)/Hoe-weeding (6WAT), Solarization/Hoe-weeding (3WAT)/Hoe-weeding (6WAT), Round-up/Hoe-weeding (3WAT)/Hoe-weeding(6WAT), Weedy-check and Weed-free) and three (3) rice varieties (Jamila, Faro 44 and Faro 57). The factorial combinations of the treatments were laid out in a randomized complete block design (RCBD) with split-plot arrangement, replicated three times. Weed management options formed the main plots while rice varieties were assigned to the sub-plots. Based on the results of this study, it could be concluded that high weed density in rice field causes poor rice growth and reduces grain yield (r=-0.757). Also, increase in number of leaves, number of tillers, leaf area index, percent productive tillers, length of panicle, weight of panicle and 1000-grain weight resulted to increased grain yield. Therefore, factors that encourage the performance of those parameters can be explored for high rice grain yield.

Keywords:
Correlation, integrated weed management, rice varieties, Sudan Savanna.

Article Details

How to Cite
Ajala, A., Muhammad, A., Yakubu, A., Adamu, M., & Busari, Y. (2019). Correlation Study on Growth and Yield Components of Rice (Oryza sativa L.) Varieties Grown under Integrated Weed Management in Sudan Savanna of Nigeria. Journal of Agriculture and Ecology Research International, 19(1), 1-6. https://doi.org/10.9734/jaeri/2019/v19i130075
Section
Original Research Article

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