Jiangyong Taro is a geographical indication certification trademark. Jiangyong taro is an agricultural product with geographical indication.
Fragrant taro, also called betel nut taro, has been cultivated in Jiangyong for more than a thousand years. It is mainly produced in Taochuan Cave in Jiangyong County, so it is also called Taochuan sweet taro. Jiangyong fragrant taro has the characteristics of large size, tender meat and delicious taste. Generally, each one weighs 2000~2500 grams, and the large one weighs 5000 grams. The whole body of taro is a treasure. Taro leaves can be used as pig feed; taro stems can be used as pickles; taro contains a large amount of starch, protein and vitamins. In addition to making pastries, taro powder, taro slices, taro balls and other non-staple foods, it can also be cooked in soup. , fried, braised, stir-fried, fragrant, sweet and refreshing, pink and delicious, it is really a delicious dish. For example, braised pork with taro is one of Hunan’s famous dishes. Jiangyong taro is known as "Chinese Taochuan taro" in the international market.
Fragrant taro, also called betel nut taro, has been cultivated in Jiangyong for more than a thousand years. It is mainly produced in Taochuan Cave in Jiangyong County, so it is also called Taochuan sweet taro. Jiangyong fragrant taro has the characteristics of large size, tender meat and delicious taste. Generally, each one weighs 2000~2500 grams, and the large one weighs 5000 grams. The whole body of taro is a treasure. Taro leaves can be used as pig feed; taro stems can be used as pickles; taro contains a large amount of starch, protein and vitamins. In addition to making pastries, taro powder, taro slices, taro balls and other non-staple foods, it can also be cooked in soup. , fried, braised, stir-fried, fragrant, sweet and refreshing, pink and delicious, it is really a delicious dish. For example, braised pork with taro is one of Hunan’s famous dishes. Jiangyong taro is known as "Chinese Taochuan taro" in the international market.
Taro contains a lot of starch, protein and vitamins. Due to Jiangyong’s unique soil environment rich in selenium, the taro produced is rich in aromatic substances and is fragrant, crispy, tender and fresh. In addition to making cakes, In addition to non-staple foods such as taro powder, taro slices, and taro balls, it can also be boiled in soup, fried, braised, or stir-fried. It is fragrant, sweet and refreshing, and the powder is crispy and delicious. It is not only a delicacy at the banquet, but also a good choice for brewing, candy, and cold drinks. Important raw materials or auxiliary materials for processing industries.
Historical honors
In 1999, he won the gold medal at the Shanghai Science and Technology Festival
In 2000, he won the gold medal at the Second Hunan Agricultural Expo
In 2001, the third Hunan Agricultural Expo Gold Award
Regional scope
The geographical scope includes Cuoshijiang Town, Taochuan Town, Xiademupu Town, Yunshan Town, Jiangyong County, Nine towns include Xiaopu Town, Shangjiangwei Town, Qianjiadong Yao Township, Lanxi Yao Township, and Yuankou Yao Township. Jiangyong County is located in the south of Hunan Province and the south of Yongzhou City. Its geographical location is 110°57′20″-111°41′15″ east longitude, 24°55′35″-25°29′40″ north latitude, and an altitude of 183-1951 meters. . It borders Jianghua Yao Autonomous County in the east, Fuchuan Yao Autonomous County in the Guangxi Zhuang Autonomous Region in the southeast, Guanyang County in the Guangxi Zhuang Autonomous Region in the west, Gongcheng Yao Autonomous County in the Guangxi Zhuang Autonomous Region in the south, and Daoxian County in the north. The production area is 4,000 hectares, the annual output is 60,000 tons, and the annual sales revenue is 150 million yuan.
Natural ecological environment and human and historical factors
(1) Soil and landform conditions: The soil in Jiangyong County is mainly river alluvial soil and loess, with a pH value between 5.5-6.5 , the organic matter content is between 2-2.5%, rich in selenium and other trace elements, and the soil is fertile. Jiangyong County belongs to the mountainous and hilly area of ??the Nanling Mountains, surrounded by Dupan Mountains and Mengzhu Mountains. The terrain is flat in the middle and middle, with intermountain basins connected. It is a karst landform, roughly divided into "seven mountains, half water, and two half fields."
(2) Hydrological conditions: There are 211 rivers in Jiangyong County, with Yongming River and Taoshui as the main rivers, belonging to the Pearl River system and the Yangtze River system respectively, with a total length of 10,710.4 kilometers. Jiangyong County is very rich in water resources. The Yongming River has 116 trunks and tributaries, with a total length of 579 kilometers, and a flow of 900 million cubic meters; Taoshui River has 95 trunks and tributaries, with a total length of 492.4 kilometers. The average total runoff volume is 1.01 billion cubic meters. Groundwater resources are very abundant, with 31 underground rivers and static reserves of more than 128 million cubic meters. The quality of groundwater is excellent, ranging from slightly acidic to slightly alkaline. The salinity is less than 0.5 mg/L. It contains a variety of medium and trace elements, especially selenium. It has no human or industrial pollution and is ideal. of water for industrial, agricultural production and domestic use.
(3) Climate conditions: Jiangyong County is located in the mid-subtropical monsoon climate zone, with a mild climate, warm winters and cool summers. , sufficient precipitation and moderate humidity, it is known as the "natural greenhouse". According to many years of observations by the meteorological department, the annual average temperature is 13.8°C, the total solar radiation is 117.3 kcal/cm2 per year, the annual average sunshine is 1800 hours, the average light rate is 32%, the active accumulated temperature greater than or equal to 10°C is 588.6°C, and the frost-free period is 300 More than 30 days, the average annual precipitation is 1554.1 mm, and the average annual relative humidity is 79%. Superior climate conditions are conducive to taro production.
(4) Humanistic and historical situation: Jiangyong taro was originally introduced from Lipu, Guangxi. According to the "Jiangyong County Chronicle", it has a history of cultivation and selection for nearly a thousand years. Jiangyong taro was widely distributed during the Ming and Qing Dynasties. In Taochuan, Shangdong, Coushijiang and other places. Relying on local natural conditions, Jiangyong taro has become a famous specialty of Hunan Province. In 2002, Jiangyong County was named the "Hometown of Chinese Taro" by the Chinese Specialty Hometown Recommendation and Publicity Organizing Committee. In 2004, it passed the certification of pollution-free agricultural products.
Production technical requirements
(1) Origin selection: Coushijiang Town, Taochuan Town, Xiademupu Town, Yunshan Town, Xiaopu Town, Shangjiangwei Town, Qianjiadong In nine towns including Yao Township, Lanxi Yao Township, and Yuankou Yao Township, the environmental quality of the production areas must meet the requirements of "NY/T391-2000 Environmental Technical Conditions for Green Food Production Areas".
(2) Variety selection: Select excellent varieties with the characteristics of Jiangyong taro, strong disease resistance and stress resistance. Variety requirements must meet the starch content of more than 70% and protein of more than 5%, and be produced in a single variety.
(3) Production process management: Jiangyong taro production process must comply with the "Jiangyong Taro Production Technical Regulations".
(4) Product harvest and post-harvest treatment: Jiangyong taro is harvested when the taro leaves turn yellow and shrink and the fibrous roots wither. When harvesting, use special tools to harvest, and remove taro stems (retaining 5 mm of stem length), mother taro fibrous roots, child taro, and excess mud on the spot. Divide the taro into grades according to weight and number of wormholes, and place them vertically in a cool, ventilated, clean and hygienic room according to grade, or store them in a cellar at 7-10°C with a relative humidity of 80%-90% or concentrate them in the field. Shallow storage.
(5) Production records: For the entire production process of Jiangyong taro, field production files must be established, fully recorded and properly preserved for reference.
Typical product quality characteristics and product quality and safety regulations
(1) External sensory characteristics: Jiangyong taro bulb spindle, yellow-brown skin, betel nut-like shape, dark red old spots and whiskers Hair; highly mature, with dense purple and dark red filamentous spots on the cross section.
(2) Intrinsic quality indicators: Jiangyong fragrant taro has a unique rich aroma and is fragrant, crispy, fresh and crispy. Taro products contain more than 70% starch and more than 5% protein.
(3) Safety requirements: Jiangyong taro complies with the "NY5221-2005 Pollution-free Food Yam Vegetables" standard.
Packaging labeling and other relevant regulations
Jiangyong taro is required to have the typical characteristics of taro in terms of senses, and has a correct and neat shape. On the basis of meeting the above requirements, it is divided into special grade, first grade and second grade according to the individual weight. If the weight is less than 0.75 kg, it will be classified as out-of-class taro. Jiangyong taro is packaged in mesh bags or cartons. The product batch number is indicated on the packaging and the words "Jiangyong Xiangtao" are added. Storage and transportation comply with the "NY/T1056-2006 Green Food Storage and Transportation Guidelines".