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EFFECTS OF VARIED IRRADIANCE ON FLOWERING TIME OF FACULTATIVE LONG-DAY ORNAMENTAL ANNUALS

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dc.contributor.author BALOC, JALAL-UD-DIN
dc.contributor.author MUNIR, M.
dc.contributor.author ABID, M.
dc.contributor.author IQBAL, M.
dc.date.accessioned 2022-12-01T08:01:25Z
dc.date.available 2022-12-01T08:01:25Z
dc.date.issued 2012-02
dc.identifier.citation Jalal-ud-Din, B., Munir, M., Abid, M., & Iqbal, M. (2012). Effects of varied irradiance on flowering time of facultative long-day ornamental annuals. Pak. J. Bot, 44(1), 111-117. en_US
dc.identifier.issn 0556-3321
dc.identifier.uri http://142.54.178.187:9060/xmlui/handle/123456789/14422
dc.description.abstract Seeds of five Facultative long day plants (FLDPs) i.e. Moss Rose cv. Sundance, Pansy cv. Baby Bingo, Snapdragon cv. Coronette, Petunia cv. Dreams and Annual Verbena cv. Obsession were sown into module trays containing homogeneous leaf mould compost. After germination, saplings of each cultivar were shifted into four light intensity chambers (42, 45, 92 and 119µmol.m-2.s-1) for a duration of 8h (from 08:00 to 16:00h). The findings of this study showed that Facultative LDPs grown under high irradiance (92 and 119 µmol.m-2.s-1) flowered earlier. However, there was a non-significant difference between 42/45µmol.m-2.s-1 and 92/119µmol.m-2.s-1 irradiance levels. Although FLDPs under 119µmol.m-2.s-1 flowered few days earlier than those received 92µmol.m-2.s-1 irradiance but the quality of plants (plant height and leaf size/appearance) was inferior. It is therefore concluded that for better plant quality and early flowering FLDPs should be grown under 92µmol.m-2.s-1 irradiance. en_US
dc.language.iso en en_US
dc.publisher Karachi: Pakistan Journal of Botany , Botanical garden , University of Karachi en_US
dc.title EFFECTS OF VARIED IRRADIANCE ON FLOWERING TIME OF FACULTATIVE LONG-DAY ORNAMENTAL ANNUALS en_US
dc.type Article en_US


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