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http://dx.doi.org/10.5333/KGFS.2012.32.2.157

Change of Seed Yield, Germination Rate and Hard Seed Rate with Harvest Time in Hairy Vetch (Vicia villosa Roth)  

Ku, Ja-Hwan (National Institute of Crop Science, RDA)
Kim, Min-Tae (National Institute of Crop Science, RDA)
Son, Beom-Young (National Institute of Crop Science, RDA)
Lee, Jin-Seok (National Institute of Crop Science, RDA)
Kim, Jung-Tae (National Institute of Crop Science, RDA)
Hwang, Jong-Jin (National Institute of Crop Science, RDA)
Baek, Seong-Bum (National Institute of Crop Science, RDA)
Moon, Jung-Kyung (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.2, 2012 , pp. 157-164 More about this Journal
Abstract
This experiment was conducted to investigate an optimum harvest time for hairy vetch (HV) seed production. The seeds were harvested at 5 times, 35, 42, 48, 54, and 58 days after flowering (DAF) in 2009 and 2010. In 2011, 3 times of harvest, 39, 49, and 53 DAF were done at Suwon, middle part of Korea. HV plants were harvested and threshed by manually at each time. Seed yield, yield components, germination rate, hard seed rate, and viviparous germination rate were investigated. The highest seed yield represented 54 DAF in 2009, 42 DAF in 2010, and 49 DAF in 2011. When the triticale, HV support plant, comes to early lodging, the time of highest yield was delayed. 1,000-seed weight linearly increased from 35 DAF to 54 DAF. The later harvested seed showed a trend of increasing germination and hard seed ratio. However, viviparous germination had occurred because of in rainy season. In conclusion, it was presumed that an optimum harvest time for safe seed production in HV should be during 42 DAF ~ 54 DAF before the rainy season considering seed yield, 1,000-seed weight and germination.
Keywords
Hairy vetch; Harvest time; Seed yield;
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Times Cited By KSCI : 3  (Citation Analysis)
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