The effect of sowing rate on quantity and quality of oat yield. Part I. Growth of plants, yield and the elements of its structure
2010
Kozak, M. | Malarz, W. | Helios, W. | Kotecki, A.,Uniwersytet Przyrodniczy, Wroclaw (Poland). Katedra Szczegolowej Uprawy Roslin
The split-plot experiments were set for two following variable factors: I-hulled oat strains and cultivars STH 7105,STH 7205 and Krezus, and naked oat strains STH 7505 and Polar; II number of grains sown per 1 square m:300,400 and 500. Compared the results obtained with Krezus, naked, dwarf strain STH 7505 produced 7,6 percent more grains in a panicle. At the same time STH 7505 grain had by 28% lower 1000-grain weight and by 16,4 percent lower grain weight in a panicle than Krezus. The highest 1000-grain weight was obtained with the hulled dwarf oat strain-STH 7205. The sowing rate of 400 grains per 1 square m was sufficient for hulled strains and Polar cultivar, while Krezus required a sowing rate of 500 grains per 1 square m. STH 7105, STH 7505 and Polar produced lower yields than Krezus by 16 percent, 43 percent and 61 percent, respectively, while STH 7205 had a higher yield by 8 percent than Krezus
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