Growth and Quality Improvement of Creeping Bentgrass by Two Fertilizers Containing Trichoderma Species
2015
Lee, J.J., Chungnam National University, Daejeon, Republic of Korea | Kim, Y.S., HyosungO and B Co. Ltd., Daejeon, Republic of Korea | Ham, S.K., Daejung-golf Engineering Co. Ltd., Hwasung, Republic of Korea | Lee, C.E., C and L Chemical Co. Ltd., Seoul, Republic of Korea | Lee, G.J., Chungnam National University, Daejeon, Republic of Korea
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 (P0.05) and shoot number was positively relate to chlorophyll index (P0.05). These results indicated that application of Trichoderma harzianum and T. atroviride improved a growth and quality of creeping bentgrass by promoting N uptake.
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