Weed & Turfgrass Science

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Increase of Growth on Cool Season Turfgrass by Foliar Application of Preparations of Turfgrass Fertilizer during Fall Season

잔디 비료 제형의 엽면 살포가 가을철 한지형 잔디의 생장 증대

  • Received : 2014.02.28
  • Accepted : 2014.03.24
  • Published : 2014.03.31
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Abstract

Four preparations of liquid turfgrass fertilizers were tested cool season turfgrasses during fall season. The preparations of PS-A, PS-B, PH-C and PH-D for commercial products were contained with essential nutrient elements, seaweed extract, amino acids, and humus substance. Growth and quality of creeping bentgrass (Agrostis palustris Huds cv. Penn-A1) and Kentucky bluegrass (Poa pratensis L.) mixture (Midnight 33%, Moonlight 33%, Prosperity 33%) were evaluated by normalized difference vegetation index (NDVI), root length and fresh weight, shoot density, turf color, and chlorophyll content. Three foliar sprays of 4 preparations with an interval of 7 days were made in the fall of 2013 in the sod production field at Hapchun, Korea. No significant difference among 3 preparations was found in NDVI of creeping bentgrass. However, PS-A was significantly increased NDVI of Kentucky bluegrass. Two to three applications of PS-A significantly increased chlorophyll content and turf color. Three foliar sprays of PS-A and PS-B were significantly increased the shoot density of Kentucky bluegrass on 20 days after final application. These results may indicate that the use of some preparation is beneficial in producing higher quality turfgrass sod with better color and chlorophyll content during fall season.

액상 잔디비료의 4종류의 제형을 가을철 한지형 잔디에서 시험하였다. 상업용 제품 개발을 위한 PS-A, PS-B, PH-C 및 PH-D은 필수영양원소와 해추출액, 아미노산 및 휴믹 물질함유하고 있다. 켄터키블루그라스 혼합품종(Midnight 33%, Moonlight 33%, Prosperity 33%)과 크리핑벤트그라스 "Penn-A1" 품종에 대한 생장과 품질은 잔디색, 엽록소 함량 및 뿌리길이, 뿌리생체중 및 개체수(분얼수) 밀도로 평가하였다. 4종류의 제형을 2013년 가을철에 합천 뗏장농장에서 7일간 간격으로 3회 엽면살포를 하였다. 잔디 생장은 크리핑벤트그라스에서는 4종류 모드에서 처리간에 통계적으로 유의적인 차이는 없었으나, 켄터키블루그라스에서는 PS-A에서 잔디생장이 증가하였다. 엽록소 함량과 잔디색은 PA-A를 2와 3회 살포한 크리핑벤트그라스와 켄터키블루그라스에서 통계적으로 유의성 있게 증가하였다. 잔디 개체수밀도는 PA-A와 PA-B를 살포한 처리구에서 살포 후 20일에 켄터키블루그라스에서 유의 차이는 보였다. 이 결과는 개발 제형을 가을철에 뗏장잔디 생산과 골프장에서 사용 할 경우 잔디색과 엽록소함량증대에 도움이 될 것으로 생각된다.

Keywords

References

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