|Author: ||R. Poerwanto|
|Keywords: ||exporting value, productivity, latosol soil, flower induction|
Rambutan (Nephelium lappaceum L.) is one of the tropical fruits native to Indonesia.
It grows in the lowland up to 600 masl. with wet climate.
The production center of rambutan is in the western part of Indonesia, including Sumatra, Java and Kalimantan.
Indonesia has many cultivars; some are considered superior, viz.: ‘Binjai’, ‘Rapiah’, ‘Lebak Bulus’, and ‘Garuda’. The main harvesting season of rambutan in Indonesia is September to April.
Its production fluctuates from 263,000 to 350,000 MT/year, which amounts to only 3.5% of the total fruit production.
Indonesia exports its rambutan to the United Arab Emirate, the Netherlands, Saudi Arabia, Taiwan, Singapore, Germany, France and the Philippines.
As longan is of subtropical origin, it needs special conditions to induce flowering in Indonesia.
Longan trees are grown on the highlands (above 700 masl.) of Central and West Java.
The production center has relatively long dry period with cool weather.
In the area with short dry period, and in the northern equatorial part of Indonesia where dry season is not in the same time as the cool months, longan cannot produce sufficient fruits.
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