Avocado with cross section edit. 8,000 to 15,000 years ago. They have a green-skinned, what is the meaning of enzymes in tamil body that may be pear-shaped, egg-shaped, or spherical. Commercially, they ripen after harvesting. The earliest residents were living in temporary camps in an ancient wetland eating avocados, chilies, mollusks, sharks, birds, and sea lions.
9,000 to 10,000 years ago. Peru from around 3,800 to 4,500 years ago. The avocado tree also has a long history of cultivation in Central and South America, likely beginning as early as 5,000 BC. Suma De Geographia Que Trata De Todas Las Partidas Y Provincias Del Mundo. 1696 index of Jamaican plants. The plant was introduced to Spain in 1601, Indonesia around 1750, Mauritius in 1780, Brazil in 1809, the United States mainland in 1825, South Africa and Australia in the late 19th century, and Israel in 1908. In the United States, the avocado was introduced to Florida and Hawaii in 1833 and in California in 1856. Sometimes the Nahuatl word was used with the meaning “testicle”, probably because of the likeness between the fruit and the body part. The earliest known written use in English is attested from 1697 as “avogato pear”, a term which was later corrupted as “alligator pear”.
In the United Kingdom, the term “avocado pear” is still sometimes misused as applied when avocados first became commonly available in the 1960s. High winds reduce the humidity, dehydrate the flowers, and affect pollination. The trees also need well-aerated soils, ideally more than 1 m deep. Each region has different cultivars. Commercial orchards produce an average of seven tonnes per hectare each year, with some orchards achieving 20 tonnes per hectare. The avocado tree does not tolerate freezing temperatures, and can be grown only in subtropical or tropical climates. Avocados used in commerce are picked hard and green and kept in coolers at 3. Avocados must be mature to ripen properly. Avocados that fall off the tree ripen on the ground.
In some cases, avocados can be left on the tree for several months, which is an advantage to commercial growers who seek the greatest return for their crop, but if the fruit remains unpicked for too long, it falls to the ground. This limitation, added to the long juvenile period, makes the species difficult to breed. The avocado is unusual in that the timing of the male and female flower phases differs among cultivars. The two flowering types are A and B. A-cultivar flowers open as female on the morning of the first day and close in late morning or early afternoon.