Pharmacognosy

Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 7, Special Issue 1 (2018)

Effect of Plant Growth Regulators (IIA, IBA, GA3) on Rooting of Hardwood Cutting of Grape (Vitis venifera L.) cv.Thompson Seedless

Author(s): Manisha Kumari Rolaniya, Mahendra bairwa, Khushbu and S Sarvanan
Abstract: An investigation entitled, “Effect of plant growth regulators on rooting of hardwood of grape (Vitis vinifera) cv. Thompson seedless” was carried out with 3 regulators (IAA with 100, 300, 500 ppm concentration, IBA with 1000, 2000 and 3000 ppm concentration and GA3 with 50, 100, 150 ppm concentration) and control treatment. The observations from 10 randomly selected plants from each replication were recorded for quantitative traits viz. First emergence of node, Average number of leaves per cutting, Average number of buds per cutting, Dry weight of shoots, First emergence of root, Average number of roots per cutting, Average root formation zone, Average length of longest root, Average thickness of thickest roots, Dry weight of roots, Fresh weight of roots and Survival percentage of cutting. The results showed that most of the shoot and root characters of cuttings were significantly influenced by the different treatments of growth regulator as compared to control. Results showed that the treatment GA3 150ppm (T9) had taken least number of days (9 days) for emergence of first node and IBA-2000 (T4) had taken minimum number of days for emergence of first node and vice versa for the first emergence of the node. After 90 days after planting, maximum number of leaves (21.6), Average number of buds per cutting (9.93), Average number of roots per cutting (30.54), Average root formation zone (29.74cm), Average length of longest root (28.24 cm) and Average thickness of thickest roots (1.78 mm) were observed in the treatment which was treated with IBA @ 2000ppm followed by 3000ppm IBA. The least values were noted with control. The combination with 2000 ppm IBA was found best for maximum rooting, growth and success of grapes cuttings followed by combination of 3000 ppm IBA under this study.
Pages: 398-400  |  783 Views  28 Downloads
How to cite this article:
Manisha Kumari Rolaniya, Mahendra bairwa, Khushbu and S Sarvanan. Effect of Plant Growth Regulators (IIA, IBA, GA3) on Rooting of Hardwood Cutting of Grape (Vitis venifera L.) cv.Thompson Seedless. 2018; 7(1S): 398-400.
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