板栗是一种重要的木本粮食,已有数千年的栽培历史。江西省宜黄县板栗主要产区在该县东北部桃陂乡一带,树龄最大的板栗树已有200多年。通过多年的选优培育,该县已育出不少板栗优良品种,其中以紫油光栗栽植最为广泛,栽植面积达133公顷,年产板栗10万千克以上,占全县板栗产量的50%以上。目前,该县正在大面积推广紫油光栗。紫油光栗是一种优良的板栗品种,其总苞为椭圆形,长7.6cm,宽5.7cm;坚果酱色或紫铜色,光泽暗亮,茸毛少,粒大,1千克约60粒。其丰产稳定,历年的单株产量达50～75千克,板栗成熟期为9月中下旬,病虫害少。紫油光栗具有色泽好,糯性强,颗粒大,易剥壳,耐贮藏,甘甜芳香和营养丰富等七大优点,该品种在江西省第3次板栗科技协会板栗品质鉴定会中获第2名。 Chestnut is an important woody grain that has been cultivated for thousands of years. The main producing areas of chestnut in Yihuang County of Jiangxi Province are in the area of ​​Taoyuan Township, northeast of the county. The oldest chestnut tree has been in over 200 years. Through many years of excellent cultivation, the county has bred a lot of excellent chestnut varieties, of which purple chestnut planting the most widely cultivated area of ​​133 hectares, with an annual output of more than 100,000 kg chestnut, chestnut production accounted for more than 50% of the county . At present, the county is a large area to promote purple shine. Purple shine is a good chestnut chestnut varieties, its total bud is oval, length 7.6cm, width 5.7cm; nut color or copper color, dark luster, less hair, large grain, about 60 kg 1 kg. Its high yield and stability, over the years per plant yield of 50 to 75 kg, chestnut maturity of late September, fewer pests and diseases. Light purple chestnut with good color, waxy, large particles, easy peel, storage resistance, sweet fragrance and nutrient-rich seven major advantages of the species in Jiangxi Province chestnut Chestnut Science and Technology Association No. 3 in the chestnut quality appraisal be the first 2 name.