Effect of Various Mixtures of Used Perlite and Rockwool Slabs on Growth of Euphorbia pulcherrima 'Freedom Red' in a Mat Subirrigation System
2004
Kim, Y.H. (Gyeongsang National University, Jinju, Republic of Korea) | Hwang, S.J. (Gyeongsang National University, Jinju, Republic of Korea) | Jeong, B.R. (Gyeongsang National University, Jinju, Republic of Korea)
This study was conducted to examine the possibility of producing poinsettia with various growing media containing used perlite and rockwool slabs as medium components. Pot plants of Euphorbia pulcherrima 'Freedom Red' were grown in 10 media containing used perlite and particles of rockwool slabs at various ratios including 1:1 and 1:3 (v/v). Medium containing used perlite and peatmoss at 1:3 (v/v) was employed as the control treatment. Height, root length, length of the longest branch, number of roots, leaf area, and width and length of the largest bract of plants grown in media containing used perlite were significantly greater than those in the control.
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