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- 2013
Role of photoperiod on some growth characters of Amaryllis (Hippeastrum johnsonii), a Bulbous plantKeywords: Amaryllidaceae, Bulbous plants, Light, Bulblets diameter, Leaf length, Root number and length., list of open access journals, open access, open access journals, open access publication, open access publisher, open access publishing, open access journal articles, imedpub, imedpub publishing, insight medical publishing, imedpub online Abstract: Day length is an important factor effective on plant growth and development. The present study describes the effects of different photoperiods (16-8, 14-10 and 12-12 h light/dark) on some growth characters of Hippeastrum johnsonii using bulblets cultured on MS basal medium. Explants were bulblets. In all cases, 16-8 h light/dark was more effective. Maximum bulblets diameter (3.15 cm), leaf length (9.80 cm), root number (2.25), root length (2.18 cm) and longest root length (2.70 cm) were observed in explants treated with 16-8 h light/dark.
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