China is the origin and main producing country of chestnut in the world. Chestnut fruit is rich in starch, sugar, protein, fat and other nutrients, natural disaster years can be used as the main food for hunger-ridden, known as "wooden grain." Chestnut trees have long life span and strong adaptability. They are widely planted both in the north and the south and are known as "iron crops." According to its ecological characteristics, it can be divided into two major varieties of northern chestnut and southern chestnut. The chestnuts in the North are large and sweet, and they are mainly fried. The southern chestnuts are large, sweet, and mainly eaten with vegetables (such as soups), also known as "cauliflower." The main producing areas in the north of China are Yanshan, Hebei (Beijing, Jidong, Oubei), Taihang Mountain, Shandong Jiaodong, Luzhongnan, Lunan, Yuxi, Yunan, Shaanxi Guanzhong and southern Shaanxi, and Sichuan East. South China's main chestnut production areas in southern Jiangsu, eastern Zhejiang, southeastern Fujian, Eastern Hubei, northeastern Yunnan, western Yunnan, eastern Guangdong, northeast Guangxi and so on. Recently, with the improvement of the people's living standards, the diversification of fruit products is urgently required. The Chinese chestnut market has a smooth market, high selling prices, and high economic returns. On the international market, the "Jingdong Chestnut" (Gan Li) produced in the LU Yan area of ​​North China and the "Changan Chestnut" produced in Shaanxi are selling well in Japan and East Asia, and their products are in short supply. In the production season from 2000 to 2001, foreign exchange earned 67.22 million US dollars, ranking fourth in the category of fruits. Due to the large demand of Chinese chestnut in the domestic and foreign markets and the wide future for development, chestnut has become an important tree species in China's restructuring of the fruit industry. This article introduces some new varieties that are highly adaptable, efficient, and unique. First, Ming Li domestic and foreign famous crystals, North chestnut, from which to choose a lot of new varieties. Native to Hebei Yanshan area Qianxi and Zunhua. Peel red and shiny. Fruit weight 10 grams. Sugar content 20%, starch 45%, wolfberry, sweet, fragrant, high quality. Mature in late September. Suitable for planting Yanshan area and Daixi area. Second, Yanshan Red Millet (Yanhong, Beizhuang No. 1) North China chestnut, originating in Beijing Changping District, preferred from Ming Li. Peel red and shiny. Fruit weight 8.9 grams, sugar content of 20.3%, protein 7.1%, starch 25%, wolfberry, sweet, fragrant, high quality. Resistance to thin, strong resistance. Mature in late September. Suitable for planting Yanshan area and Daixi area. Third, early Feng (3113) North chestnut, origin Hebei Province, Qianxi County, preferred from Ming Li. The pericarp was bright red and brown, with a weight of 5.7 grams, a sugar content of 19.7%, a protein content of 4.4%-5.5% and a starch content of 31.4%. The fruit was sweet, sweet, and of good quality. Mature in mid-September. Suitable for planting Yanshan area. Fourth, after Hanzhuang No. 20 (after 20, Dwarf) North China chestnut, origin Hebei Province, Qianxi County. Peel red and bright. It weighs 8.5 grams and contains 5.9% of protein and 29.6% of starch. It is savory, sweet, sweet and of high quality. Compact tree, suitable for close planting. Mature in mid-September, suitable for planting Yanshan area. Five, red light chestnut (two pock) North chestnut, native Shandong Lacey. Fruit weight 9.5-12.5 grams. Sugar content was 14.4%, protein was 9.2%, and starch was 28.6%. It was sweet, savory, sweet and of high quality. Mature from late September to early October. Suitable for planting Shandong Shandong Jiaodong. 6. Jinfeng (Xujia No. 1) North Lili, originated from Shandong Zhaoyuan County. Fruit weight 7 grams. Sugar content 16.8%, protein 9.8%, starch 29.8%, wolfberry, incense, high quality. Mature in late September. Suitable for planting Shandong Shandong Jiaodong. VII. Red chestnut North chestnut, native to Taian, Shandong, occasionally mutated offspring, found in fruit trees in Shandong Province. The total indigo is red and the peel is dark brown. Sugary 13.1%, starch 38.7%, protein 8.4%, sweet, wolfberry, quality in the upper. It is a good pollination variety and it matures in early October. Appropriate planting area Lu Zhongnan.
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