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지베렐린산(GA3) 처리에 따른 크리핑 벤트그래스 (Agrostis palustris Huds. ‘Penn A1’)의 생장 및 품질 변화

Changes in the Growth and Quality of Creeping Bentgrass (Agrostis palustris Huds. ‘Penn A1’) Following Gibberelinic Acid (GA3) Treatment

김영선|임치환|김태웅|김우성
한국환경농학회 (The Korean Society Of Environmental Agriculture)|2023.12|한국환경농학회지 (Agricultural and Environmental Sciences)|제42권 제4호|pp. 389-395|DOI 10.5338/KJEA.2023.42.4.44

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키워드

Creeping bentgrassClipping yieldGibberellic acid (GA3)Shoot lengthTurf color index
주제분류농학

초록

This study evaluated the effects of gibberellic acid (GA3) on the growth and quality of creeping bentgrass (Agrostis palustris Huds.). Experimental treatments included a No application of fertilizer and GA3 (NFG) Control [3 N active ingredient (a.i.) g/m2 ], 0.3GA3 (GA3 0.3 a.i. mg/m2 / 200 mL), 0.6GA3 (GA3 0.6 a.i. mg/m2 /200 mL), 1.2GA3 (GA3 1.2 a.i. mg/m2 /200 mL), and 2.4GA3 (GA3 2.4 a.i.mg/m2 /200 mL). Additionally, the study included a 1.5N +GA3 experiment with similar GA3 treatments combined with 1.5N a.i. g/m2 : NFG, Control (3N a.i. g/m2 ), 1.5N+ 0.3GA3 (1.5N a.i. g/m2 +GA3 0.3 a.i. mg/m2 /200 mL), 1.5N+0.6GA3 (1.5N a.i. g/m2 +GA3 0.6 a.i. mg/m2 /200 mL), 1.5N+1.2GA3 (1.5N a.i. g/m2 +GA3 1.2 a.i. mg/m2 / 200 mL), and 1.5N+2.4GA3 (1.5N a.i. g/m2 +GA3 2.4 a.i.mg/m2 /200 mL). Compared to the NFG, turf color index chlorophyll content was not significantly different (p< 0.05). However, shoot length in 1.2GA3, 2.4GA3, 1.5N+ 0.3GA3, 1.5N+0.6GA3, 1.5N+1.2GA3, and 1.5N+2.4GA3 treatments increased by 0.8%, 10.6%, 5.15%, 8.3%, 13.5 %, and 21.6%, respectively, compared to the control. As compared to the control, clipping yield in 1.5N+1.2GA3 and 1.5N+2.4GA3 treatments increased by 7.1% and 14.3 %, respectively. These results indicated that GA3 application increased shoot length, with the 1.2GA3 treatment showing shoot length similar to the control (3N a.i. g /m2 ).

Abstract

This study evaluated the effects of gibberellic acid (GA3) on the growth and quality of creeping bentgrass (Agrostis palustris Huds.). Experimental treatments included a No application of fertilizer and GA3 (NFG) Control [3 N active ingredient (a.i.) g/m2 ], 0.3GA3 (GA3 0.3 a.i. mg/m2 / 200 mL), 0.6GA3 (GA3 0.6 a.i. mg/m2 /200 mL), 1.2GA3 (GA3 1.2 a.i. mg/m2 /200 mL), and 2.4GA3 (GA3 2.4 a.i.mg/m2 /200 mL). Additionally, the study included a 1.5N +GA3 experiment with similar GA3 treatments combined with 1.5N a.i. g/m2 : NFG, Control (3N a.i. g/m2 ), 1.5N+ 0.3GA3 (1.5N a.i. g/m2 +GA3 0.3 a.i. mg/m2 /200 mL), 1.5N+0.6GA3 (1.5N a.i. g/m2 +GA3 0.6 a.i. mg/m2 /200 mL), 1.5N+1.2GA3 (1.5N a.i. g/m2 +GA3 1.2 a.i. mg/m2 / 200 mL), and 1.5N+2.4GA3 (1.5N a.i. g/m2 +GA3 2.4 a.i.mg/m2 /200 mL). Compared to the NFG, turf color index chlorophyll content was not significantly different (p< 0.05). However, shoot length in 1.2GA3, 2.4GA3, 1.5N+ 0.3GA3, 1.5N+0.6GA3, 1.5N+1.2GA3, and 1.5N+2.4GA3 treatments increased by 0.8%, 10.6%, 5.15%, 8.3%, 13.5 %, and 21.6%, respectively, compared to the control. As compared to the control, clipping yield in 1.5N+1.2GA3 and 1.5N+2.4GA3 treatments increased by 7.1% and 14.3 %, respectively. These results indicated that GA3 application increased shoot length, with the 1.2GA3 treatment showing shoot length similar to the control (3N a.i. g /m2 ).

참고문헌 (24)

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