Custard apple (Annonas quamosa L.) is very important fruit, which belongs to family Annonaceae. It's native is tropical America. It is also known by several vernacular names such as sugar apple, sweet sop, sitaphal and sharifa in different part of the country. Custard apple thrives well in tropical and warmer sub-tropics parts of India. All annonaceous fruits are indigenous to tropical America. Custard apple is now grown in

the tree evolved in Hawaii as an ornamental, when the top graft died off.Citrus fruits have a prominent place among popular and extensively grown tropical and sub-tropical fruits. They are highly regarded for their nutritive value, wholesome nature, medicinal values and economic significance