Adult cam vietnam
Smaller growing areas are found in Vietnam, Cambodia, Laos, Queensland (Australia) Indonesia and Florida (United States). longepetiolulatus, probably originated in southern Vietnam and is commercially grown only in this area.Since ancient times, the Chinese have grown longan in the south, especially in the provinces of Fujian, Guangdong and Guangxi (mentioned in literature in the period of Emperor Cheng Tang in AD 1223). longan, is a native of southern China and is commercially grown in southern China, Taiwan and northern Thailand, with small acreages in Queensland (Australia) and Florida (United States). 2.1.4 Description: The longan is closely related to the lychee and is similar in growth and fruiting habit.2.1.5 Ecology: Being a subtropical plant, longan (Dimocarpus longan spp. longan) requires a cool climate for its growth, particularly for flowering that is found in the north.However, it can also grow well in tropical areas where there is a prominent change of seasons necessary for satisfactory flowering.In 1997, total planted areas for longan were 60 000 ha, and reached 75 200 ha in 2002 (of which 49 367 and 14 530 ha were in the Mekong delta and the southern region, respectively).The annual production for 2000, 2001, and 2002 were 535 500, 508 200 and 620 000 tons, respectively (Hong and Chau 2004).Many people, especially the Chinese, love to eat longan as they believe the fruit provides vitality and energy and possibly has some medicinal properties.Longan is considered a traditional fruit of Vietnam with the main production areas being in the south: Tien Giang, Ben Tre, Dong Thap, Vinh Long, Can Tho, Baria Vungtau; and in the north: Lao Cai, Yen Bai, Thai Nguyen, Phu Tho, Son La, Hung Yen and Thanh Hoa.
While lychee has both a sweet and sour taste with a pleasing aroma, longan has only sweet with no sour taste and very little aroma.
The translucent flesh or aril is white to off-white or pinkish surrounding a large red-brown, brown, or black seed that separates easily from the flesh, which is sweet and juicy.
It is milder in flavor and less acidic than lychee.
In the south, the popular cultivars are Nhan Long and Tieu Da Bo; both have large fruits (80 to 90 fruits/kg). Longan cultivars in Vietnam with their fruit size and location of cultivation * Data not available 2.1.8 Propagation: Longan is normally propagated by marcotting (air layering) and the root development is lengthy.
Recently, many cultivars were introduced from other countries and are undergoing cultivar trials. Layering can be done at the beginning of the rainy season with the marcots remaining on the mother plant for four to five months.