Effect of nutrients and gibberellic acid on the growth of tea cuttings
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Date
2007-06
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
Tea (Camellia Sinensis L.) is the most popular beverage consumed by two-thirds of the world population. India is the largest producer, consumer and exporter of tea. Tea nursery plays a vital role in successful gardening which leads to the economic development. The nursery techniques and management practices are very important steps in tea production. Raising tea plants from single node cuttings has been widely and successfully adopted economic method of vegetative propagation. Soil pH higher than 5.0 may cause excessive callus formation at the expense of root growth. In this very experiment to find out the effect of nutrients and GA3 on tea cuttings in nursery at higher soil pH during March 2006 to June 2007. Cuttings for their plant height, number of leaves, girth of stem , leaf length and breadth, fresh and dry weight of roots were observed. Results from the present investigation showed that in nutrient treatment, NPK @ 0.4 g per 10 plants + ZnSO4 (0.5 per cent) gave maximum increase in height, stem girth, number of leaves per plant and root weight while in GA3 treatments, 10-50 ppm concentration of GA3 showed increase in the growth parameters i.e. height, stem girth, number of leaves, leaf length, leaf breadth and root weight of tea cuttings. GA3 50 ppm concentration showed the maximum increase in all the parameters statistically.
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