Weed & Turfgrass Science

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Growth and Quality Improvement of Creeping Bentgrass by Two Fertilizers Containing Trichoderma Species

Trichoderma 종 미생물비료 시비에 따른 Creeping bentgrass 생육 및 품질 향상

  • Received : 2015.02.27
  • Accepted : 2015.04.18
  • Published : 2015.09.30
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Abstract

Trichoderma spp. were famous fungi used for turfgrass management in golf course. This study was conducted to evaluate effects of two microbial fertilizers containing Trichoderma harzianum and T. atroviride on the growth and quality of creeping bentgrass with turf color index, chlorophyll index, root length, shoot number, clipping yield and nutrient content. Treatments were designed as follow; non-fertilizer (NF), control fertilizer (CF), T. harzianum (TH), and T. atroviride (TA). Chlorophyll index and root length of TH and TA were increased than these of CF and shoot number and content and uptake of nitrogen (N) of TA higher than these of CF. The N content in turfgrass tissue was significantly related to shoot number, root length and N uptake (P<0.05) and shoot number was positively relate to chlorophyll index (P<0.05). These results indicated that application of Trichoderma harzianum and T. atroviride improved a growth and quality of creeping bentgrass by promoting N uptake.

Trichoderma spp.는 골프장에서 잔디관리를 위해 사용하는 대표적인 미생물이다. 본 연구는 두 종류의 Trichoderma spp. 미생물비료의 잔디 생육과 품질에 미치는 효과를 평가하기 위해 수행되었다. 처리구는 비료의 종류에 따라 무처리구(non-fertilizer; NF), 대조구(control fertilizer; CF), Trichoderma harzianum처리구(TH) 및 T. atroviride처리구(TA)로 설정하여 처리한 후 엽색지수와 엽록소지수, 잔디뿌리길이, 잔디밀도, 잔디 예지물 및 잔디 중 양분함량 등을 측정하여 잔디생육과 품질을 평가하였다. TH와 TA에서 엽록소지수와 잔디뿌리길이가 CF보다 증가하였고, TA는 CF보다 잔디밀도와 질소함량 및 질소 흡수량이 증가하였다. 잔디 생육인자 별 상관관계에서 잔디 중 질소함량은 잔디밀도와 잔디뿌리길이 및 질소 흡수량에서 정의상관성을 보였으며, 잔디밀도는 엽록소지수와 정의 상관성을 나타냈다. 이러한 결과들을 종합할 때, Trichoderma harzianum 및 T. troviride의 미생물비료 처리는 잔디의 질소흡수를 촉진하여 지상부와 지하부의 생육 증가 및 품질을 향상시킬 수 있다는 것을 알 수 있었다.

Keywords

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