Study Setting Artificial Irradiation on Growth and Yield of Four Varieties of Chrysanthemum

Arjana, I Gusti Made and Situmeang, Yohanes Parlindungan (2018) Study Setting Artificial Irradiation on Growth and Yield of Four Varieties of Chrysanthemum. Journal of Biological and Chemical Research (JBCR), 35 (1). pp. 48-52. ISSN 2319-3077

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Abstract

Chrysanthemum plants belonging short days and facultative, characteristics this implies that the chrysanthemum plant will be induced to enter into the generative phase and flowering when the plant received a long day shorter than Critical Day Lenght (CDL). If the length of the received chrysanthemum on juvenile period is longer than its CDL then the chrysanthemum plant will maintain the vegetative phase. The purpose of this study was to obtain cultivation technology with artificial illumination arrangement in accordance with the local environmental conditions in order to improve productivity and good-quality products. The study consisted of two factors arranged in a nested design where the variety is nested in artificial light settings. Varieties used include grand yellow, grand white, leneker yellow, and leneker Salem, while extra light settings used the 15-day, 30-day, and 45-day four-hour dive. The results showed that artificial light settings give real effect to the very real on all parameters observed. While the influence of varieties on any artificial light settings give real effect to the very real in all parameters were observed except on the length of the flower stalk varieties in artificial light setting 30-day/4 hours. The results of the economic weight of fresh flowers highest in light setting an additional 45 days/4 hours are 113.03 g and no significant additional light by setting a 30-day/4 hours. The results of the economic weight of fresh flowers highs due to the influence of any arrangement between varieties in artificial light 15 days/4 hours, 30 days/4 hours and 45 days/4 hours are on a grand white variety are respectively 94.50 g, 109.62 g, and 122.49 g.

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