2014•International Journal of Plant SciencesRequires access
Effect of Application of Plant Growth Regulators in Sustainable Improvement of Gladiolus Production in Manipur
N. Montessori, R. K. Bhanishana, Laishram Hemochandra, R K Sharma, Ranjan Das
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Abstract
An experiment was conducted during 2008-2009 at College of Agriculture, Central Agricultural University, Imphal to identify the effect of plant growth regulators on growth, flowering and corm production of gladiolus cv. Applause. Seven treatments with two different plant growth regulators viz ., GA 3 and NAA at three concentrations of each, including one control was set up in gunny bags. It was found that number of leaves per plant was more (8.267) with T 5 while plant height was more with T 3 (90.133cm). GA 3 (500 ppm) recorded early flowering (78.53 days) followed by GA 3 750 ppm (83.63 days) and (T 5 ) NAA 500 ppm (81.30 days). Number of florets per spike (14.30) was recorded with T 3 . Spike length (81.233 cm), rachis length (42.067 cm) were more with T 2 while control (T7) was found minimum in all parameters.