Effect of plant growth regulators on morphology and physiology of Withania somnifera (L.) Dunal

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Research Articles | Published:

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Website:www.vegetosindia.org
Pub Email: contact@vegetosindia.org
Doi: 10.1007/s42535-024-00996-z
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Keywords: Gibberellic acid, Indole 3-acetic acid, Plant growth regulators, n Withania somniferan


Abstract


Several organic compounds are referred to as plant growth regulators (PGRs) that influence the differentiation, growth and development of plants when they are applied in small concentrations. The present study aims to evaluate the effect of Indole 3-acetic acid and Gibberellic acid on the morphological and physiological traits of Withania somnifera (L.) Dunal. It is among the most crucial plants, utilized in Ayurvedic medicines and traditional healthcare systems since time immemorial. One month old plants of W. somnifera were transferred to the plastic pots and left to adapt for 15 days. Thereafter, both plant growth regulators at 25 mg/L, 50 mg/L, and 100 mg/L concentrations were exogenously sprayed on the leaves and stems of the 45 days old plants after the regular interval of 15 days for 90 days. Various concentrations of 20 mL were administered to each plant. Plants used as control were treated with distilled water. Sampling was done after 30, 60 and 90 days of treatment. Applications of plant growth regulators resulted in enhancements in root and shoot length, number of leaves, leaf area, fresh and dry weight, and carbohydrate and protein content of the plant.



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Acknowledgements


The authors are grateful to the Career Point University, Hamirpur, Himachal Pradesh, India for providing facilities and encouragement for the research. This research did not receive any specific grant from any funding agency.


Author Information


Sharma Arti Jamwal
Department of Bio Sciences, Career Point University, Hamirpur, India

Punyal Sweta
Department of Bio Sciences, Career Point University, Hamirpur, India
sweta614337punyal@gmail.com

Sharma Priyanka
Department of Bio Sciences, Career Point University, Hamirpur, India


Wani Zishan Ahmad
Conservation Ecology Lab, Department of Botany, Baba Ghulam Shah Badshah University, Rajouri, India


Pant Shreekar
Centre for Biodiversity Studies, Baba Ghulam Shah Badshah University, Rajouri, India
shreekarpant.2@gmail.com
Kumar Nitesh
Department of Biosciences, Himachal Pradesh University, Shimla, India

Kumar Jitender
Department of Plant Sciences, Central University of Himachal Pradesh, Kangra, India

,
Singh Somvir
Department of Botany, Chandigarh University, Mohali, India