AEBI 421 Lecture Notes - Lecture 7: Bagasse, Cultivar, Photoperiodism

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27 Jan 2016
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14. 0 billion for cut flower of 20. 6 billion. Regulation of growth: flowering promotion or inhibition, cultivar, age, photoperiod, light energy, temperature, rainfall, relative humidity. Well-draining soil that is very rich in decaying organic matter. Shipping temp. at >12 c: upon arrival after shipping, the basal 2-3 of the stem should be cut off, holding temp. Spadix : tiny flowers on a fleshy spike. Mature when of spadix rough (= open flowers) Sprays - % open buds key and varies by genus and cultivar: single flowers 3-4 days after opening. Leave a long stem (peduncle: anthuriums cut with sharp sterilised knife, leaving a long stalk, orchids viruses ! Anthuriums, gingers and heliconias= not sensitive to ethylene. Gingers should be stored vertically to avoid gravitropic curvature. Blooms received by distributor/retailer immersed in water, few cm of stalk cut off under water. Orchids may be treated with silver thiosulphate solution.

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