International Journal of Plant Sciences

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Effect of Application of Plant Growth Regulators in Sustainable Improvement of Gladiolus Production in Manipur


Affiliations
1 Department of Botany and Plant Pathology, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
2 Department of Agricultural Statistics, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
3 Department of Computer Science, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
4 Department of Crop Physiology, Assam Agricultural University, Jorhat, Assam, India
     

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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., GA3 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 T5 while plant height was more with T3 (90.133cm). GA3 (500 ppm) recorded early flowering (78.53 days) followed by GA3 750 ppm (83.63 days) and (T5) NAA 500 ppm (81.30 days). Number of florets per spike (14.30) was recorded with T3. Spike length (81.233 cm), rachis length (42.067 cm) were more with T2 while control (T7) was found minimum in all parameters.

Keywords

Gladiolus, Plant Growth Regulators, Applause, Spike, Rachis
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  • Effect of Application of Plant Growth Regulators in Sustainable Improvement of Gladiolus Production in Manipur

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Authors

N. Montessori
Department of Botany and Plant Pathology, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
R. K. Bhanishana
Department of Botany and Plant Pathology, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
L. Hemochandra
Department of Agricultural Statistics, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
Rickey Sharma
Department of Computer Science, College of Agriculture, Central Agricultural University, Imphal, Manipur, India
Ranjan Das
Department of Crop Physiology, Assam Agricultural University, Jorhat, Assam, India

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., GA3 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 T5 while plant height was more with T3 (90.133cm). GA3 (500 ppm) recorded early flowering (78.53 days) followed by GA3 750 ppm (83.63 days) and (T5) NAA 500 ppm (81.30 days). Number of florets per spike (14.30) was recorded with T3. Spike length (81.233 cm), rachis length (42.067 cm) were more with T2 while control (T7) was found minimum in all parameters.

Keywords


Gladiolus, Plant Growth Regulators, Applause, Spike, Rachis