Pumpkin seeds, also called "white melon seeds" "wolf seeds", can be eaten raw or cooked. As a snack food and health food, pumpkin seeds have always been a must-have for people to travel and visit friends and relatives. Baoqing Big Whiteboard Pumpkin Seed is a "treasure" of pumpkin seeds, a major local specialty in Baoqing County, Heilongjiang Province. The characteristics of Baoqing Big Whiteboard pumpkin white, large plate, thin skin and rich and thick make Baoqing County famous for its "China Baoqing "Big White Board" pumpkin seed series production."

According to the "Shan Hai Jing", there is a mountain in the great wilderness, where the sun and the moon rise. Later, people called this mountain "Wanda Mountain." “Wanda” is Manchu, meaning “ladder” and has the meaning of climbing the peak. This mythical Wanda Mountain is in the Heilongjiang River, and the Wanda Mountain Range stretches hundreds of miles in Baoqing County, Heilongjiang Province. Baoqing County is known as the “County of Tianfu”. Baoqing County has a total area of ​​more than 10,000 square kilometers. The east and west sides are surrounded by the Wandashan Mountains. The north is a fertile plain, which constitutes the pattern of “four mountains, one water and four fields, half of the reeds and half grasslands”. In the world of villages, the spring is cold and chilly. The icy yellow icy flowers that bloom in the mountains and snows become the messengers of the Spring Festival. The mountains and plains are full of hillsides; the summer brook flows through the birch forest, the forest springs creak; the autumn sky high clouds The wind is clear, the forest is dressed up to be elegant and dignified, as if it is about to face the harsh winter but a passionate date; with the snowy winter, people will not feel the winter scary because of the cold, the end of the wilderness It seems to be the white clouds of the sky, and the earth is the connected sea of ​​clouds. When the hurricane rolled up a snowy smoke, people felt that it was a lonely smoke on the white desert. Fortunately, you can also see the smog, the white branches of the Nana, looking forward to the body, the glamorous and transparent look at the wind, bright and fascinating. When the spring breeze smashed through the earth, the pumpkin seeds planted by the people quietly opened the "sleeping eyes" in the soil. The sprouts, the jade, the green leaves and the long vines spread on the land of Baoqing. A blossoming pumpkin flower, like a golden horn, is calling for the harvest of autumn. Two shovel, two cymbals, a stern tip... The summer of the romantic moment has passed, and the pumpkins are ripe, and the stars are scattered in the melon fields, waiting for people to harvest. Pumpkin is a warm crop, and it is suitable for planting on slopes. In the Baoqing Mountains, most of the Wanda Mountains are shallow mountain areas, with plenty of sunshine and smooth drainage. In such a beautiful and special environment, the pumpkins absorb the aura of the heavens and the earth, and the pumpkin seeds that are bred are more unique in quality. The top grade. The cultural background is fine-tuned and the general cooking conditions are not good in the early years. Every household in Baoqing has planted several pumpkins in front of the house. When the summer pumpkins are ripe, the ingenious hostess uses pumpkins to make various foods. The problem of insufficient food at the time. Cook the small pieces of pumpkin and polenta together, which is delicious pumpkin porridge; crush the steamed pumpkin into the noodles to make a sweet pumpkin cake; or cut the pumpkin into large pieces and put it in the pot. Steamed, it is the “meal noodle melon” that can be eaten directly; the white melon seeds that are picked out from the pumpkin are always washed and dried carefully. In the New Year, they are fried in a wok, which is the snack that adults and children like. Nowadays, the living standards are constantly improving, and the Baoqing Big Whiteboard Pumpkin Seeds have changed into a casual health food for all ages. Green tea, black tea and other flavors, beautifully packaged white melon seed products, into large supermarkets, become the preferred local specialty for people to visit relatives and friends during the holiday season. Brand building small melon seeds reputation Baoqing County, the world's largest pumpkin organic food base, pumpkin planting area of ​​more than 300,000 acres per year, the annual output of more than 28,000 tons. There is also the first village of pumpkin planting in the country, Linan Village. Almost every family in Linan Village is rich in pumpkins. More than 50% of the village's cultivated land is planted with pumpkins. The income of pumpkin seeds accounts for more than 80% of the villagers' income. In order to improve the quality of Baoqing Big Whiteboard, Baoqing County can give full play to the role of the County Pumpkin Research Institute and other seed production enterprises, actively carry out the functions of other seed production enterprises, and actively carry out the “Baoqing Big Whiteboard”. Purification and rejuvenation, variety breeding and standardized production of seeds. In 2006, Baoqing County established the White Melon Seed Professional Association. The association not only acts as a bridge and link between the government and the pumpkin industry, but also breaks the boundaries of the industry, spanning scientific research, agriculture, processing, savings, breeding and other industries, and will be producers, operators, leading enterprises, Rural intermediary organizations are linked with various forms of mutual aid organizations of farmers. Under the premise of unification of rights and obligations and mutual benefit, they change the status quo of their own politics and blind development, and increase overall coordination to cope with the comprehensive operational functions of the market. In 2007, Baoqing County established four pumpkin seed breeding bases and introduced “Youxue No.1”, which greatly improved the yield and quality of pumpkin seeds in the county. At present, the county has established 10,000 mu of pumpkin breeding base, which can produce 1,000 tons of high-quality pumpkin seeds per year. It can not only meet the production of farmer households in the county, but also sell it to the surrounding areas for pumpkin planting. In 2008, Baoqing County built the country's largest professional trading market for white melon seeds – China Baoqing White Melon Seed Trading Market. Baoqing County is the first in the scale of large-scale operation and intensive production and distribution in the situation of the widespread production of white melon seeds in China. In 2009, CCTV's "Get Rich" program made a special report for "Baoqing Big Whiteboard", which made "Baoqing Big Whiteboard" more and more people understand and pay attention. In September 2010, the first pumpkin culture festival in Baoqing, China was held, including the Heilongjiang Provincial Pumpkin Association, the Chinese Horticultural Society Pumpkin Research Branch, the Taiwan Xie Group, and the Pumpkin Resource Room of the Vanovov Institute in St. Petersburg, Russia. Famous experts and scholars from the famous pumpkin industry and well-known merchants participated in the pumpkin culture festival. Over time, Baoqing Big Whiteboard Pumpkin Seed has become a hot star in the market. The products are exported to Guangzhou, Tianjin, Dalian, Hebei, Taiwan and Japan, South Korea, Canada, Turkey, Malaysia, Dubai, Russia, etc. In various regions and countries, Baoqing Big Whiteboard Pumpkin Seed has gone abroad and went to the world.

Baoqing large white plate pumpkin seed quality technical requirements (a) site conditions. Choose plots with high topography, good drainage, loose soil and good permeability. It is suitable for soft sandy loam soil and light clay, and the organic matter content is more than 3%, and the pH value is 6.2 to 6.7. (2) Climate conditions. Suitable temperature 15 ° C to 30 ° C, low temperature and short daylight, sufficient light; large temperature difference between day and night, is conducive to dry matter accumulation. (3) Cultivation techniques. 1. Selection: less side branches, more female flowers, good leaf stability; single melon weight, large grain, high seed production rate; anti-virus, early maturity. 2. Selection: cereal crops are suitable, avoiding the same crops and same family crops as the same family, and no herbicide residues such as sulfonsulfuron, pusti, and atrazine. 3. Cultivation methods: using ridges and directional planting. 65cm ridge, one ridge per ridge, the row spacing is 130 × 50cm or 140 × 45cm, 1.5 to 18,000 plants per hectare, 1 to 2 per plant. 4. Fertilization: adopt soil testing and fertilization techniques, rational fertilization, and apply foliar fertilizer during fruit setting. 5. Field management: three shovel and two shovel, warming and protecting the soil; promptly cultivating the soil, pruning the vines, licking the tip, removing the root melon to increase the fullness and 1000-grain weight. If there is no natural pollination condition, beekeeping or artificial pollination should be carried out. 6. Harvest: After the harvest, the melons should be beaten in time, and the clothes should be washed with the sun, and the temperature should be dried and dried at 0 °C. (4) Process flow. Whole melon → crushing → seeding → washing → drying → cleaning → selection → classification → inspection → metering → packaging → storage. (5) Quality characteristics. 1. Sensory characteristics: The melon is oval, with large plate, wide plate, white snow and luster; thin skin and thick seed. 2. Grade index (in second order): pure rate ≥ 96.5%; plate width ≥ 12mm; imperfect grain ≤ 4%; total impurity ≤ 2.0%; water wash plate, heavy dirty plate shall not be detected. 3. Physical and chemical indicators: net kernel rate ≥ 70%; oil content ≥ 50%; water ≤ 9.5%.

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The producers within the scope of protection of the Baoqing Big Whiteboard Pumpkin Seed Geographical Indication Products may apply to the Baoqing County Quality and Technical Supervision Bureau of Heilongjiang Province 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.