Table 7. Total terpene emission rate and segmentation.

Total terpene emission rate range (ng/(gdw·hr)) Species
1st year research results 2nd year research results
5,000 < Pinus rigida Mill. Pinus strobus L.
1,000 < ~ ≤ 5,000 Acer pictum Thunb. var. mono (Maxim.) Maxim. ex Franch.
Larix kaempferi (Lamb.) Carrière
Magnolia denudata Desr.
Metasequoia glyptostroboides Hu & W.C.Cheng
500 < ~ ≤ 1,000 Pinus koraiensis Siebold & Zucc.
Pinus densiflora Siebold & Zucc.
Acer palmatum Thunb.
100 < ~ ≤ 500 Pinus parviflora Glauca Group Cedrela sinensis Juss.
Abies holophylla Maxim. Cercis chinensis Bunge
Spiraea prunifolia Siebold & Zucc. f. simpliciflora Nakai
Rhododendron mucronulatum Turcz.
Acer buergerianum Miq.
Phyllostachys bambusoides Siebold & Zucc.
Pyracantha angustifolia (Franch.) C.K.Schneid.
Betula schmidtii Regel
Cornus officinalis Siebold & Zucc.
Ulmus parvifolia Jacq.
Buxus koreana Nakai ex Chung & al.
llex crenata ‘Convexa’
≤ 100 Quercus variabilis Blume Fraxinus rhynchophylla Hance
Juniperus chinensis L. Liriodendron tulipifera L.
Quercus serrata Thunb. ex Murray Acer triflorum Kom.
Forsythia koreana (Rehder) Nakai Abelia x grandiflora (Rovelli ex André) Rehder
Daphniphyllum macropodum Miq. Koelreuteria paniculata Laxm.
Ginkgo biloba L. Sorbus commixta Hedl.
Kerria japonica (L.) DC Cornus kousa Bürger ex Hance
Quercus acutissima Carruth. Machilus thunbergii Siebold & Zucc.
Euonymus japonicus Thunb. Robinia pseudoacacia L.
Prunus x yedoensis Matsum. other 20 species