Author: Potula Ushasri, Zehra Salma, P. Prasanth, G. Jyothi and S. Praneeth Kumar
The present investigation ‘Studies on the efficacy of natural dye extracts for tinting of tuberose cut spikes’ was carried out at Floricultural Research Station, ARI, Rajendranagar, Hyderabad, during the year 2022-23. The experiment was carried out in Completely Randomised Design with 8 treatments, viz., T₁-Beetroot peel, T₂- Fully opened flowers of Butea monosperma,T₃-Fully opened blue butterfly pea flowers, T₄-Seeds collected from freshly harvested annatto pods, T₅-Red amaranthus leaves, T₆-Fully opened Four ‘o’ clock flowers, T₇-Pomegranate peel and T₈-Indigo leaves. The natural dye extracted from the treatments was used for tinting tuberose spikes. The results of the experiment revealed that, among all treatments, treatment T₅- Red amaranthus leaves along with citric acid -300ppm and 2% sucrose recorded maximum vase life 9.04 days and colour retention 9.04 days of tuberose spikes. Maximum colour intensity L 25.3 a 21.6 b 0.9 with red colour group and high dye solution uptake 6.49 ml/spike, change in fresh weight 29.06 %, basal floret diameter 2.83 cm was recorded in treatment T₁-Beetroot peel. Whereas Least time was taken for treatment T₅-Red amaranthus leaves 4.90 hrs.
Natural dyes, Tinting, Butea monosperma, chromometer
It can be concluded from present study that naturally available dyes extracted from different plant sources like T1- Beetroot peel, T2- Flame of the forest flowers, T5- Red amaranthus leaves, T6- Four ‘o’ clock flowers are suitable for tinting of tuberose spikes.
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Potula Ushasri, Zehra Salma, P. Prasanth, G. Jyothi and S. Praneeth Kumar (2023). Studies on the Efficacy of Natural Dye Extracts for Tinting of Tuberose Cut Spikes. Biological Forum – An International Journal, 15(10): 528-532.