我区是全省核桃主要产区之一,栽培量达281万株。由于长期沿用实生繁殖,致使核桃品种混杂,结果晚、产量低、质量差。据调查统计,186万株适龄结果核桃树不结果或很少结果,95万株结果大树产量很低,全区核桃年产量多年徘徊在50万公斤左右,其中厚壳、夹仁核桃占一半,商品价值与经济效益都很低,极大地挫伤了群众发展 My district is one of the main producing areas of the province’s walnut, planting 2.81 million. Due to long-term use of real breeding, resulting in mixed walnut varieties, the results of late, low yield, poor quality. According to the survey, 1.68 million age-appropriate results of walnut trees have little or no result. The yield of 950000 trees is very low. The output of walnut in the whole region hovers around 500,000 kilograms for many years, of which half is thick shell and half walnut , The value of goods and the economic benefits are very low, which greatly dampened the development of the masses