| Bioscience & Biotechnology |
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| Impact of light intensity on flowering time and plant quality of Antirrhinum majus L. cultivar Chimes White |
| MUNIR Muhammad, JAMIL Muhammad, BALOCH Jalal-ud-din, KHATTAK Khalid Rehman |
| Faculty of Agriculture, Gomal University, D.I.Khan, Pakistan |
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Abstract Shades of different light intensities (29%, 43%, 54%, 60% or 68%) along with control (no shade) were studied to observe their effects on the flowering time and plant quality. A hyperbolic relationship was observed between different light intensities under shade, and time to flowering. The total number of flower buds showed a curvilinear relationship with light intensities. Growth parameters related to the plant characteristics such as plant height, leaf area and plant fresh weight were improved under shading treatments at the expense of flowering time and number of flower buds. However, both linear and polynomial models applied assumed that cultivar Chimes White was equally sensitive to light intensity throughout development.
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Received: 05 September 2003
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