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Establishment of scion bank:
- Production of scion sticks
- The Scion Bank should be established with the recommended varieties of the region.
- The plants should be panted in a closer spacing of 4mx4m , in order to get continuous supply of scions.
- It should be fertilized with recommended quantity of NPK during monsoon and tender shoots should be protected by timely sprays of insecticides.
- The flower panicles should be cut off in order to get more number of scions.
- The plants in the scion bank should be maintained by heading back the top to a height of 1.5 m from ground level and by pruning the dried branches.
- Pruning of trees may be carried out annually during September –October in the scion bank.
- Variety of scion and precuring
- Choose non-flowered, 3-5 month old lateral shoots of current season’s growth.
- The chosen shoots should be about 10-12 cm long, straight, uniformly round with pencil thickness, brown coloured having dormant plumpy terminal buds.
- The top 4-5 leaves should be dark green in colour indicating proper maturity of the scion sticks.
- The chosen scion sticks should be precured by clipping off leaf blades, leaving petiole.
- The scion sticks can be detached from the mother tree after 8-10 days, before they sprout and utilized for grafting.
- Collection of scion stick
- The precured scion sticks should be separated early in the morning to avoid desiccation and its length should not less than 10cm.
- Soon after separation from the mother tree, scion sticks should be dipped in water and placed in a polythene bag of 100 guage thickness and brought to the nursery shed for grafting.
- The scion sticks wrapped in sphagnum moss cloth and placed in a polythene bag of 100 guage can be kept for 3-4 days and used for grafting, if necessary.
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