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A New Single Cross Maize Hybrid for Silage, "Pyeonganok"  

Son, Beom-Young (National Institute of Crop Science (NICS), RDA)
Kim, Sun-Lim (Rural Development Administration (RDA))
Jung, Tae-Wook (Rural Development Administration (RDA))
Kim, Jung-Tae (National Institute of Crop Science (NICS), RDA)
Song, Song-Yi (National Institute of Crop Science (NICS), RDA)
Kim, Chung-Kon (National Institute of Crop Science (NICS), RDA)
Kim, Si-Ju (National Institute of Crop Science (NICS), RDA)
Ji, Hee-Jung (National Livestock Research Institute (NLRI), RDA)
Huh, Chang-Suk (Gyeongbuk Agricultural Research and Extension Services)
Park, Jong-Yeol (Hongcheon Maize Experiment Station, Gangwon Agricultural Research and Extension Services)
Publication Information
Korean Journal of Breeding Science / v.41, no.3, 2009 , pp. 310-313 More about this Journal
Abstract
A single cross, Pyeonganok, is an yellow flint-like maize hybrid (Zea mays L.) developed by the maize breeding team at the National Institute of Crop Science (NICS), RDA in 2008. This hybrid, which has a high yield of dry matter was produced by crossing two inbred lines, KS140 and KS94. KS140 is the seed parent and KS94 is the pollen parent of Pyeonganok. Silking date of Pyeonganok is 3 days later than that of check hybrid, Kwangpyeongok. Stay-green of Pyeonganok is not greatly different with that of Kwangpyeongok. It has resistance to lodging. It has moderately resistance to Bipolaris maydis (southern corn leaf blight), Exserohilum turcicum (northern corn leaf blight), and corn borer but sensitivity to black streaked dwarf virus (BSDV). Pyeonganok was evaluated for the yields of dry matter at four locations from 2006 to 2008. The yields of Pyeonganok in dry matter was 20.84 ton/ha. Seed production of Pyeonganok has gone well due to a good match during crossing between the seed parent, KS140 and the pollen parent, KS94 in Yeongwol.
Keywords
Maize; crossing; dry matter; yield; seed production;
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