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Effects of Single and Twin Row Planting on Yield and Yield Components in Maize

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Author(s): Huseyin Gozubenli | Mehmet Kilinc | Okan Sener | Omer Konuskan

Journal: Asian Journal of Plant Sciences
ISSN 1682-3974

Volume: 3;
Issue: 2;
Start page: 203;
Date: 2004;
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Keywords: Grain yield | maize | plant density | twin row

ABSTRACT
Maize hybrids response differently to various plant density and row configurations. A two-year field experiment was conducted in Agricultural Faculty research farm at Mustafa Kemal University in 2000 and 2001 growing seasons, to compare single and twin-row planting pattern and to determine optimum plant density for maize hybrid Dracma, commercially grown in Eastern Mediterranean Region of Turkey. The experimental design was a randomized complete block in a split-plot arrangement with three replications. Main plots were plant densities of 60000, 75000, 90000, 105000, 120000 and 135000 plants ha-1. Split-plots were planting patterns (single row and twin row). The effects of plant density and planting patterns on grain yield were statistically significant. Grain yield gradually increased with increasing plant densities up to 90000 plants ha-1 (10973 kg ha-1 mean), then decreased in higher plant densities. There were no significant differences between 90000 plants ha-1 and 105000 plants ha-1 densities. Twin row planting pattern out-yielded single row and 10398 kg ha-1 and 9986 kg ha-1 grain yield obtained, respectively. This increase is important since without any additional input or cost.
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