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http://dx.doi.org/10.5333/KGFS.2012.32.3.209

Effect of Seeding Dates on Yield and Quality of Various Oat Cultivars for Year-Around Forage Production  

Han, Ouk-Kyu (National Institute of Crop Science, RDA)
Park, Tae-Il (Dept. Rice & Winter Cereal Crop, NICS, RDA)
Park, Hyung-Ho (Dept. Rice & Winter Cereal Crop, NICS, RDA)
Song, Tae-Hwa (Dept. Rice & Winter Cereal Crop, NICS, RDA)
Hwang, Jong-Jin (National Institute of Crop Science, RDA)
Baek, Seong-Beum (National Institute of Crop Science, RDA)
Kim, Dea-Wook (National Institute of Crop Science, RDA)
Kwon, Young-Up (National Institute of Crop Science, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.32, no.3, 2012 , pp. 209-220 More about this Journal
Abstract
Most oats are used for livestock feed in the world. This experiment was conducted at Iksan city of Korea from 2007 to 2008. The objective of this study was to select eminent oat (Avena sativa L.) cultivars with high-yielding and a quality for forage adaptable in each planting seasons. Experimental design was split-plot design with three replications. A split plot design was used with seeding date on the main plots and other treatments fully randomized in sub-plots. A factorial arrangement of treatments included three different ecotypes cultivars, winter type (Sanmhan, Donghan and Chohan), summer type (High-speed, Darkhorse, and Swan), and naked oats near to spring type (Daeyang, Choyang, and Sunyang) and twelve seeding dates (twice a month from March to November). Plant height, dry matter yield, and percent TDN was significantly affected by seeding dates, cultivars, and the interaction of cultivars ${\times}$ seeding dates. There was a decrease in plant height, dry matter yield, and percent total digestible nutrients (TDN) as seeding was delayed from early March to late June and it also from early September to early November. The winter type oat cultivars such as Samhan, Donghan, and Chohan adapted to fall seeding and early summer harvest, while summer type cultivars such as High-speed, Darkhorse, and Swan showed high productivity either to summer seeding and mid-fall harvest or to spring seeding and early summer harvest. Naked type cultivars, Choyang and Daeyang, showed high forage yield by spring and summer seeding except for fall seeding because of cold damage. Summer type oat cultivars such as High-speed, Darkhorse, and Swan can supplement high forage production in spring. TDN yield showd the most at seeding in October 10 (780 kg $10a^{-1}$), followed at seeding in March 23 (627 kg $10a^{-1}$).
Keywords
Oat; Forage; Year-around production; Seeding date; Yield;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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