Indian Institute of Horticultural Research, Bangalore 560 089.
* Present address: ICAR, Research Complex for Goa, ELA, Old Goa 403 402.
An investigation was carried out to determine the tissues age of leaf for nutritional diagnosis in Custard apple. Nitrogen, P and K decreased, whereas Ca and Fe increased with advancing age. Magnesium status changed to lesser extent while S, Mn, Zn and Cu have not shown much variation. The leaf at position five from apex side was found to be ideal index tissue for nutritional diagnosis in Custard apple.
