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 Message  查看  搜尋  通訊錄  複製  引用  回覆 | [第 12 樓] |
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| | [以下之前個人搜集的關於石斛所須的照度資訊，提供作參考。]
石斛蘭、虎頭蘭依品種不同有不同的照度須求，平均約 3000 呎燭光（foot candle）。
石斛蘭、虎頭蘭一般最大容許光量為 5000 呎燭光（54000 lux）。超過最大容許光量，則葉綠素可能被破壞，光合作用效率不增反減。
依品種的分別則為：
1) 1200-1800 fc (bright shade, no direct sun) for Chiloschista usneoides, in Charles and Margaret Baker's free culture sheets (Orchid Culture - Charles and Margaret Baker)
2) 1500-2500 fc for Coelogyne mooreana (in C&M Baker)
3) 1500-2000 fc for Callista Group of Dendrobiums : species include aggregatum, chrysotoxum, densiflorum, farmeri and thyrsiflorum (in White Oak Orchids culture sheets: White Oak Orchids)
4) 2000 fc for the Oxyglossum group of Dendrobium include cuthbertsonii, hellwigianum, laveifolium, masarangense, seranicum, vexillarius, and violaceum (in White Oak Orchids culture sheets)
5) 2000-3000 fc for Coelogyne cristata and Coelogyne mossiae (in C&M Baker), for Dendrobium Group of Dendrobiums Dendrobium chrysanthum, friedricksianum, nobile, wardianum, anosum, crassinode, falconeri, fimbriatum, findlayanum, heterocarpum, loddigesii, moniliforme, parishii, primulinum, for Phalaenanthe group : include Dendrobium affine, bigibbum, dicuphum, phalaenopsis and williamsianum and most popular hybrids, also for the Spathulata group : antennatum, canaliculatum, discolor, gouldii, johannis, lineale, stratiotes, strebloceras, taurinum (in White Oak Orchids culture sheets)
6) 2000-3600 fc for Neofinetia falcata (in C&M Baker)
c.f. http://www.orchidboard.com/community/beginner-discussion/16895-lumex-footcandle-shade-semishade-co.html
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 2009/12/30 08:15pm  IP: 已設定保密 | [本文共 1671 位元組]  |
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