Studies On The Effect Of I.B.A And Wrapping Materials On Rooting And Survival of Air Layers Of Litchi
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Date
1993
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Birsa Agricultural University, Ranchi
Abstract
The result obtained during the course of present investigation have been summarized and have been presented in this chapter the experiment was carry out at the horticultural experiment that 91 with following objective
To standardize a suitable level of IBA concentration for early profuse and quality roots in air layers
2 To study the effect of plastic film for early and profuse rooting of air layers.
3. To Study the survival percentage for at least 6 month after removal from the parent trees for proper establishment in Nursery.
Air –layers of litchi cv purbi were treated with IBA at 2500 3500 4500 and 5500 PPM and wrapped with differently coloured wrapping material i.e. transparent, black, blue, red, and yellow. Effect of these factors i. e. IBA and differently coloured polythene wrapping on percentage of rooted air – layers, average number of roots, average length of roots, fresh and dry weights of roots, average number of new branches and green leaves, average survival of air – layers in nursery and economics of production were studied and the results obtained are summarized .