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Growth Characteristics, Yield and Nutritive Values of New Teosinte, 'Geukdong 6'

Teosinte (Zea mays ssp. mexicana) 신품종 극동 6호에 관한 생육특성, 수량성 및 사료가치

  • Cui, Yong (Department of Animal Science, Kyungpook National University) ;
  • Kim, Eun Joong (Department of Animal Science, Kyungpook National University) ;
  • Lee, Sang Moo (Department of Animal Science, Kyungpook National University)
  • 최영 (경북대학교 축산학과) ;
  • 김은중 (경북대학교 축산학과) ;
  • 이상무 (경북대학교 축산학과)
  • Received : 2016.05.12
  • Accepted : 2016.06.06
  • Published : 2016.06.30

Abstract

This study was conducted to evaluate growth characteristics, yield and feed value of newly developed domestic teosinte (Geukdong 6) compared to widely cultivated silage corn hybrid (31N27) and sorghum ${\times}$ sudangrass hybrid (P877F). Geukdong 6, a new single cross (Teosinte ${\times}$ Suwon 19) variety, is a teosinte (Zea may L. ssp. maxicana) developed by the Geukdong 6 of agricultural company corporation (GACC) in An-dong province. This field experiment was designed in a randomized block design with three replications and consisted of silage corn (T1), sorghum x sudangrass hybrid (T2) and Geukdong 6 (T3). Leaf length, number of leaves, number of tillers and fresh yield of T3 were higher than that of T1 and T2 (p<0.05). Dry matter yield of T3 was lower than that of T1 (p<0.05). In particular, T3 ($0.1kg/cm^2$) showed to be very tender compared to other T1 ($0.5kg/cm^2$) and T2 ($0.5kg/cm^2$), (p<0.05). The crude protein content of T3 as 8.25% was higher than that of T2 (5.90%), (p<0.05). However, there was no significant differences between T1 (8.14%). The brix degree of T2 was higher than that of T1 and T3 (p<0.05). T3 showed higher content of total minerals compared to T1 and T2 (p<0.05). The relative palatability of T3 was higher than T1 and T2 (p<0.05), when fed to deer as soiling crop. However, it showed a lower than T1 in Korean native cattle and korean native goats. The relative palatability of the silage shown in order of T1> T3> T2 in korean native cattle, spotted deer, and korean native goats. As mentioned above the results, Geukdong 6 (T3) could be recommended as using of soiling and lab silage, when high fresh yield, tender stem, number of many leaf, content of high crude protein, and palatability higher than sorghum ${\times}$ sudangrass hybrid were considered.

Acknowledgement

Supported by : 농림수산식품기술기획평가원

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