Finger lemon is a small evergreen shrub fruit tree in the genus Diocentricaceae in the family Rutaceae. It is native to eastern Australia and southeastern New Guinea, and is mainly concentrated in the tropical, ** rainforest regions of northern New South Wales and southern Queensland. Currently, Australia remains the largest producer of finger lemons. China is mainly concentrated in Hainan, Fujian, Yunnan and Guangdong, and Hainan is the largest production area in China.
Finger lemon prefers warm climates, is not cold-tolerant, is prone to leaf loss below 10, and the plant is short, with an average plant height of 1 meter 15 meters. The canopy is tight, the whole body is densely spine, and it is easy to prick the hands. The oil cells of the peel are dense and convex. In Hainan and Yunnan Jinghong can bloom and bear fruit all year round, according to the color of the peel to judge the color of the pulp, the color of the peel and the color of the pulp is consistent, there are goose yellow, tender green, pink quartz, crimson red, colorless transparent and other colors. Few fruits can be so colorful.
The finger lemon (finger orange) has a smooth and edgeless skin, and the flesh is composed of caviar-sized particles (juice sac), which is crystal clear, with a unique aroma, lime-like sourness, and a caviar-like pulp, so it has the reputation of fruit caviar.
It is different from other lemon varieties, peel off the peel of the finger lemon, bite the fruit pieces, the juice ** bursts out, the strong sour taste instantly occupies the mouth, this sour taste has the fragrance of orange mixed with grapefruit, fresh and bright, and the squeaky jump in the mouth has a unique flavor.
In the past two years, many friends have asked which variety of scarce fruit has a prospect? Finger lemon habitually spoke. There is no obvious difference in the taste of different varieties of this product planted in different regions, and it can be cultivated in facilities and the yield is stable.
Finger lemon has strong resistance to diseases and pests, high planting efficiency, and bears fruit in 1 year after cultivation, and enters the bumper yield period in 3 years. Results can be achieved throughout the year. We plant 75 plants per mu, mature finger lemon single fruit weighs 8-30 grams, the yield per mu is 1,500 catties, the retail price per catty is 250 yuan, the purchase price is 100 yuan, and one mu can earn 150,000 yuan, which is 10 times the income from planting other crops in Hainan," said Chen Bing (chief agronomist of Hainan Shengda Modern Agricultural Development).
After 10 years of variety development and demonstration and promotion, Hainan Shengda Agricultural Development has selected and bred a number of high-yield four-season fruit varieties such as "Enchantress Red" and "Champagne Red", and built Asia's largest finger lemon industrialization production base in Qionghai, Hainan, and the cultivated "Hot Fruit King" finger lemon was selected as a public brand of Hainan fresh products. Finger lemons here are mainly sold in restaurants and high-end supermarkets, and in addition to ready-to-eat, they are also used in creative dishes and Western food. In the three-Michelin-starred Da Dong Roast Duck restaurant, finger orange barbecued pork is a dish with finger lemons.