Training and Pruning
- Young trees do not need pruning in the first year. However, when older trees are not pruned a strong central leader usually develops which is desirable for its timber value.
- Where fruit production is the main purpose pruning of the first lateral branches should be carried out in year two to slow upward growth and enhance the spreading of the canopy. One or two pruning of shoot tips during summer causes lateral bud break and makes the tree more compact.
- Old flowering shoots should be removed after harvesting, and after the harvest is complete branches should be thinned out to increase light penetration to the inner canopy. The height of the tree might be maintained at about 4-5 m by periodic selective pruning.
- Trees may also be mechanically topped at about 4-5 m and hedged at a 5-10º angle from the vertical. Fruit thinning is also recommended to prevent damage to branches as heavy fruit loads
- Limiting the number of fruits per limb may also improve the quality of the fruits and increase their size.
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Intercropping
- It is advisable to utilize the inter-space by growing some intercrops during the gestation period of jackfruit, which gives some extra income to the grower.
- Vegetable like radish, brinjal, chilli, cabbage etc can be grown with assured irrigation facilities.
Manure and Fertilizer
- A bearing tree requires a fertilizer dose of 20-30 kg FYM, 200g N, 320g P205, 960 g K20 and 5 kg ash.
- Tree should be irrigated immediately after manure and fertilizer application.
Irrigation
- Jackfruit is cultivated in northeast as a rainfed crops. The young trees are sensitive to drought.
- So, for better growth of the seedlings, watering should be done during summer and winter months.