Yugonglou pineapple was named after the earliest introduction of Yugonglou Village in Qujie Town, the county. The pineapple (one of the pineapple varieties) produced in the county is very famous for its fragrance, crispness and sweetness. The American related history books also listed "Yugonglou Pineapple" as the world famous fruit. In the 1970s, local production The pineapple was also airlifted to Beijing to entertain foreign guests.

Characteristics of function Pineapple is a perennial monocotyledonous herb. Generally, pineapple cultivars are classified into four categories, namely, cain, queen, spanish, and hybrid. The shape of the pineapple is very strange. The surface of the peel has spine processes of scales. Each protrusion is a small fruit of a flower. The meat is golden, crisp and juicy, sweet and fragrant, and has a good taste. It is suitable for fresh food. It helps to nourish the lungs, clear away heat and relieve heat and eliminate thirst. In addition to its unique flavor, pineapple fruit is also rich in nutrients. The juice contains a kind of yeast similar to the gastric phase. It can be decomposed and protein, which helps digestion and is beneficial after eating. The ancient medical scientist Li Shizhen also believes that pineapple can "spleen the stomach and strengthen the vital energy." Pineapple has a special aroma and was once called "outstanding fruit" by Europeans. After making it into canned food, it can still maintain the flavor of the original fresh fruit, thus making canned pineapple a popular product in the international market. Edible method Xuwen County is under the jurisdiction of Zhanjiang City. The local people in Zhanjiang have a unique method when eating fresh pineapple: put the cut pineapple pieces in salt water for a while and then eat. The fruit stalls for sale of pineapples are also provided with a plate of salt for the food to be used by the diners to make the pineapple taste sweeter, and some of the organic acids in the pineapple can be decomposed in the salt water to avoid allergies caused by eating pineapple. Planting Environment Xuwen County is located in the Leizhou Peninsula. It is the southernmost tip of the Chinese mainland and belongs to the tropical monsoon humid climate zone. The annual average temperature is 23.6 degrees Celsius. The Leizhou Peninsula area is a hilly gentle slope terrace landform, and its soil organic matter structure and soil fertility are very Suitable for pineapple planting. Planting in the Leizhou Peninsula is very common. According to statistics, in 2009 China's annual output of pineapples was about 1 million tons, and Zhanjiang accounted for half of it. It is the largest producing area of ​​Chinese pineapples. Planting history Yugonglou pineapple was introduced from Nanyang by Xu Wenji overseas Chinese Ni Guoliang in 1926. The variety introduced at that time was “Bali”, and was planted in the area of ​​Yugonglou Village, Qujie Town, Xuwen County. After the liberation, he continued to introduce “Chen Jiageng”. Famous varieties such as “Bari”, “Thousands of Flowers” ​​and “Sarawak” are sold well in China with their fruit, juice, crispness and sweetness, and gradually developed into a famous pineapple producing area in China. In 2010, Xuwen County's pineapple planting area centered on Qujie Town has nearly 300,000 mu, with an annual output of 500,000 tons of pineapple fruit. Honor Certification Yugonglou Brand Pineapple is recognized as a green food grade A product by China Green Food Development Center. Xu Wen Pineapple won the Silver Award of the 2nd Beijing International Exposition in 1991. In 1995, he won the gold medal of the 2nd China Agriculture Expo. In 1997, he won the title of the famous brand of the third China Agricultural Expo. In 1999, it was awarded the title of China International Agricultural Expo Famous Brand Product. In 1999, it was rated as “Quality Product of Guangdong Province” and “Golden Brand Product of Guangdong Province”. In 2001, it passed the IS09001 international quality system certification. In 2005, it obtained the national geographical indication product (protection of origin). In 2005, Xuwen County was awarded the “China's Leading County of Pineapple Industry” by the Ministry of Agriculture. In 2010, it was named “China's Top Ten Tropical Fruits” by the China Fruit and Vegetable Industry Brand Forum Organizing Committee.

Yugonglou pineapple quality technical requirements (a) variety. Excellent suitable varieties such as Bali and Cain. (2) Cultivation measures. 1. Site conditions: Choose a land below 150 meters above sea level and a slope of 20 degrees or less. The soil is deep and fertile, and the permeability is good. The red soil has a pH of 4.5 to 5.5 and an organic matter content of 3 to 5%. 2. Seedling cultivation: artificial planting method: establishment of nursery, selection of no pests and diseases, growth of strong buds (planting buds), crown buds (top buds), sucking buds (axillary buds), false planting in nurseries, When the height is 25 to 30 cm, the height of the crown bud seedlings is 20 to 25 cm, and the height of the bud seedlings is 35 cm, it can be planted for field cultivation. In-situ ramets breeding method for old plants: After harvesting the fruit, the old plants are topdressed in time to promote the growth of the buds. When the old buds grow to 30 to 35 cm and the buds reach 25 to 30 cm, the buds are taken for Daejeon. Planting. 3. Seedling planting: It can be planted all year round, and it is better to plant in the season with mild climate and abundant rain. The Bali variety is planted in 3,000 to 3,500 plants, and the Cain variety is planted in 2,800 to 3,000 plants. 4. Harvesting: Fresh fruit is yellow with 1 to 3 layers of fruit on the base of the fruit. When the fruit is full, it can be harvested. The peel of the processed fruit is light and the color is harvested when the fruit is full. (3) Quality characteristics. The fruit is full, the shape of the fruit is cylindrical and the shape is shallow, the flesh is light yellow or golden yellow, the meat is crisp, the fiber is less, the fruit is small, the flavor is rich and lasting, and the sweet and sour is moderate. Juice soluble solids 12 to 15%, organic acid 0.4 to 0.5% canned pineapple with tender taste, crisp meat, fragrant, sweet and sour.

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Producers within the protection scope of the Yugonglou pineapple geographical indication product may submit an application to the Xuwen County Quality and Technical Supervision Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.