The pistachio tree is native to Central Asia, including Iran and Afghanistan. Archaeologists believe it has been a common food since 6750 BC.
Modern Pistachios were first cultivated in the Bronze Age in Central Asia, now called Uzbekistan.
In Iran, Kerman province and at the top of it, Rafsanjan city, is the main center of Pistachio production.
In the 19th century, Pistachios grown commercially in parts of the world, such as Australia, New Mexico, and California. it was konwn as the Garden Tree in 1854.
It is a desert plant and is very resistant to saline soil. Pistachios trees are relatively resistant in suitable conditions. They resist in different temperatures between 10 degrees Celsius in winter and 48 degrees Celsius in summer. Pistachios need sun and well-drained soil.
Pistachio trees in conditions of high humidity have poor performance and the same is true if they receive a lot of water. The soil also does not have enough water absorption capacity. Long, hot summers are needed for the fruit to ripen properly.
Pistachio nut seeds
Characteristics of Pistachio tree
Pistachio tree grows up to 10 meters in height and has 10 to 20 cm long leaves that fall in winter. These trees have different male and female types but the flowers are unisexual and grow in clusters. Pistachio tree is the same as grape tree, it has a elongated seed, which is the edible part of Pistachio.
What are the nutritional value of Pistachios?
Raw Pistachios contain 4% water, 45% fat and 28% carbohydrates and 20% protein. 100 grams of Pistachios have 562 calories and are a rich source of protein, dietary fiber, several minerals and B vitamins such as thiamine and vitamin B6.