Response of Growth Characteristics and Yield of Silage Corns at Different Regions
2011
Son, B.Y., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kim, J.T., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Lee, J.S., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Baek, S.B., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kim, W.H., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kim, J.D., Cheonan Yonam College, Cheonan, Republic of Korea | Ko, K.H., Keimyung College, Daegu, Republic of Korea
This study was carried out to compare growth characteristics and yield of silage corn hybrids at four different regions(Hwaseong, Dangjin, Gochang and Pyeongchang). Two domestic corn hybrids, 'Kwangpyeongok' and 'Gangdaok' and two imported corn hybrids, 'P3394' and '32P75' were used in this study. Plant height and ear height ratio were not significantly different among corn hybrids. 'Kwangpyeongok' was the strongest of all corn hybrids for lodging. The others except 'Kwangpyeongok' were similar to lodging. All corn hybrids were excellent to stay-green. Incidence of southern corn leaf blight(Bipolaris maydis) was low at all com hybrids. '32P75' was 10.1%, the most of all corn hybrids for incidence of BSDV (black streaked dwarf virus). 'Kwangpyeongok' and 'Gangdaok' were stronger than '32P75' for BSDV. Fresh yield of 'Kwangpyeongok' and 'Gangdaok' were the most of all com hybrids as 74.85 and 76.68 ton/ha and 'P3394' was the least of all corn hybrids as 64.97 ton/ha Dry matter yield as 18.83~21.92 ton/ha and TDN yield as 12.73~14.52 ton/ha were not significantly different among corn hybrids.
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