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http://dx.doi.org/10.5333/KGFS.2022.42.4.237

"Jogreen", A Forage Rye Cultivar with Fast Heading and High Yields  

Ouk-Kyu Han (Korean National College of Agriculture and Fisheries)
Jin-Jin Kim (Korean National College of Agriculture and Fisheries)
Dea-Wook Kim (National Institute of Crop Science, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.42, no.4, 2022 , pp. 237-242 More about this Journal
Abstract
'Jogreen' (Secale cereal L.) was developed for rye cultivars not fast heading but winter hardiness with high yields, which was open-pollinated by ten rye cultivars including 'Chochun' in 1995. Its average heading date was April 15, which was five days earlier on average compared with 'Gogu'. At harvest, the plant height of 'Jogreen' was 117 cm which was taller than 'Gogu' as much as 6 cm. The number of stems was 983 per m2, which was higher than that of Gogu (979). 'Jogreen' did not show both winter kill and powdery mildew, but showed lodging as 3 which is similar to 'Gogu'. The biomass in the dry weight base was 8.1 MT ha-1, and showing was 4% higher than 'Gogu'. The crude protein content of 'Jogreen' was 11.9%, 0.8% lower than that of 'Gogu', and the acid detergent fiber (ADF) and the neutral detergent fiber (NDF) contents were 36.9% and 64.5%, respectively, higher than that of 'Gogu'. The total digestible nutrients (TDN) content also was low, but the TDN content was 5.09 ton ha-1, which was higher than that of 'Gogu'. The seed productivity of 'Jogreen' was approximately 3.1 ton ha-1, which was similar to the check. 'Jogreen' was found to be resistant to winter kill and can be adapted to after-paddy-rice cultivation in all Korean provinces. 'Jogreen' is likely to lodge, therefore, farmers should follow the recommended seeding rate and fertilization rate.
Keywords
Cultivar; Fast heading; Forage; High yield; Rye;
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Times Cited By KSCI : 3  (Citation Analysis)
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