Korean Journal of Weed Science (한국잡초학회지)

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Growth of Zoysiagrass (Zoysia japonica Steud.) as Affected by Prohexadione-calcium Application

한국잔디에 대한 Prohexadione-calcium의 생장 억제 효과

  • Lim, Sang-Muk (Department of Crop Science, Chungbuk National University) ;
  • Choi, Bong-Su (National Institute of Crop Science, RDA) ;
  • Woo, Sun-Hee (Department of Crop Science, Chungbuk National University) ;
  • Lee, Chul-Won (Department of Crop Science, Chungbuk National University)
  • 임상묵 (충북대학교 식물자원학과) ;
  • 최봉수 (농촌진흥청 국립식량과학원) ;
  • 우선희 (충북대학교 식물자원학과) ;
  • 이철원 (충북대학교 식물자원학과)
  • Received : 2011.04.14
  • Accepted : 2011.05.25
  • Published : 2011.06.30
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Abstract

This experiment was carried out to investigate the growth responses of zoysiagrass (Zoysia japonica Steud.) as affected by prohexadione-calcium foliar application for the effective labour saving and cost down management in the lawn yard, field and golf course etc. The leaf growth of zoysiagrass treated with prohexadione-calcium one day after mowing was significantly slow compared to the untreated plot. And the effect was continued up to 50 days. The growth inhibition rate at the treated plot was 46 to 50% compared to untreated plot and the leaf widths treated with prohexadione-calcium were narrower than control plot. The change of leaf dry weight 10 days after prohexadione-calcium treated was significantly shown less speedy than untrated plot and the results were continued up to 40 days after application. The SPAD values of the leaf colour were increased in the treated plots and continued for 40 days more.

본 연구는 예초 직후에 prohexadione-calcium을 처리하여 잔디의 생장 상태를 조사하였다. 한국잔디로 조성된 잔디밭이나 골프장을 효과적으로 관리하기 위하여 한국잔디의 예초 직후 prohexadionecalcium의 농도를 달리하여 엽면 처리한 결과 무처리와 비교하여 잎의 생장이 현저히 감소되는 것으로 나타났으며 prohexadione-calcium의 1회 처리로도 그 효과가 처리후 50일까지 잎의 생장이 46~50%정도 감소되는 것으로 나타났고, 엽폭도 처리농도가 높을수록 무처리에 비하여 좁아졌다. Prohexadionecalcium 처리후 건물중의 변화를 보면 처리후 2주후 부터 무처리에 비하여 현저하게 감소하는 것으로 나타났는데, 처리 농도가 높을수록 건물중이 작았으며 처리 40일까지도 건물중의 증가가 무처리에 비하여 유의하게 감소하는 것으로 나타났다. 또한 엽색도는 prohexadione-calcium의 처리구가 무처리구에 비하여 높았다.

Keywords

References

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