India Emerges as Cradle of Jamun Evolution

News: India has emerged as the cradle of Jamun evolution, with evidence showing that the genus Syzygium originated around 80 million years ago and diversified early in the Indian region.

About India Emerges as Cradle of Jamun Evolution

• Jamun is an important indigenous minor fruit of commercial value.
• It is also known as black plum, Indian black cherry, Ram jamun etc. in different parts of India.
• Family: It belongs to the family Myrtaceae.
• Scientific name: Its scientific name is Syzygium.
• Origin of Jamun: New research showed that the genus Syzygium has an East Gondwanan origin dating back around 80 million years.
  • Earlier, scientists believed that Jamun originated in Australia or Southeast Asia.
  • Researchers concluded that Jamun existed in India since the early Eocene, and from here, it is believed to have dispersed to Southeast Asia and Australia.
• Distribution: It is native to the Indian subcontinent.
  • It is found throughout India, including the Himalayan hills.
  • It is widely distributed in Sri Lanka, Malaysia, Thailand, Philippines and Australia.
• Geographical Conditions required for its growth:
  • Climate: It grows well in tropical and subtropical climates. It is hardy and can tolerate drought, heavy rainfall, and even temporary flooding.
  • Rainfall: It can be successfully grown in semi-arid regions with an annual rainfall of about 350–500 mm.
  • Altitude: It can grow up to an altitude of 1300 -1600 meters.
  • Weather Requirement: Dry weather is required during flowering and fruiting, while early rains help improve fruit size, colour, and taste.
  • Soil: It grows best in deep, well-drained loamy soils with good moisture retention. It can tolerate saline, sodic, degraded, and alkaline soils (up to pH 10.5).
• It is a nutritious fruit with a variety of uses, and every part of the tree is used.
  • Its fruit has a sub-acid spicy flavour and is used to prepare squashes, juices, jam, jelly, pickles and wine, etc.
• Its timber is used in buildings, agricultural implements and for other woodwork as it resists the action of water.
• Medical uses:
  • It contains a high amount of acidity, tannins and anthocyanins.
  • It is known for its anti-diabetic properties.
  • Its fruit syrup is useful for curing diarrhoea.
  • The vinegar prepared from the juice extracted from slightly unripe jamun is stomachic, carminative and diuretic. It also has cooling and digestive properties.
• Production in India: India is one of the highest producers of jamuns.
  • Maharashtra is at the top of the list of jamun-producing states in the country
  • Note: Bahadoli Jamun, from Palghar, Maharashtra, officially received the Geographical Indication (GI) tag in 2024.
  • Other major producing states are Uttar Pradesh, Tamil Nadu, Gujarat and Assam.
  • Status of cultivation: It is estimated that almost 5000 acres of jamun plantations have been done in the last decade.
  • The cultivation is getting more popular in drier regions of southern and western Indian states like Karnataka, Andhra Pradesh, Maharashtra, Gujarat and Madhya Pradesh.