The effects of sowing rates and seed dressing on the level and structure of yield of hulless and hulled oats
Magdalena Świderska-Ostapiak
wksir@zut.edu.plKatedra Uprawy Roli, Roślin i Doświadczalnictwa, Akademia Rolnicza w Szczecinie (Poland)
Sławomir Stankowski
Katedra Uprawy Roli, Roślin i Doświadczalnictwa, Akademia Rolnicza w Szczecinie (Poland)
Abstract
The field experiments were conducted on two cultivars of oats: a hulless cv. Akt and a hulled cv. Bajka grown on good rye complex soil at the Experimental Station Lipnik near Stargard Szczeciński in the years 2000–2002. The effects of four sowing rates (400, 530, 660 or 790 germinating seeds/1 m2), two variants of seed dressing: Sarfun T450 FS and Dithane 455 SC, compared to the variant with no dressing, upon grain yield and its components were evaluated. Grain yield of cv. Bajka was higher than that of cv. Akt. The change in a sowing rate from 400 to 790 seeds/m2 effected an increase in grain yield by 2.6 dt·ha-1. With rising sowing rates a number of panicles/1 m2 increased but both a number of grains per panicle and weight of 1000 grains decreased. Hence, only a relatively slight increase in total grain yield was recorded. No difference between the investigated oat cultivars in reaction to sowing rates was found. Seed dressing with Sarfun and Dithane resulted in a statistically significant but not considerable increase in grain yield (1.0 dt·ha-1). These results indicate no marked response of oats to seed dressing.
Supporting Agencies
Keywords:
hulled and hulless oat, grain yield, yield components, sowing rates, seed dressingReferences
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Authors
Magdalena Świderska-Ostapiakwksir@zut.edu.pl
Katedra Uprawy Roli, Roślin i Doświadczalnictwa, Akademia Rolnicza w Szczecinie Poland
Authors
Sławomir StankowskiKatedra Uprawy Roli, Roślin i Doświadczalnictwa, Akademia Rolnicza w Szczecinie Poland
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