昆明市核桃品种优选发展现状与对策建议

核桃是云南省重要的经济林树种，加快发展核桃产业，是建设“绿色经济强省”和社会主义新农村建设的重要组成部分。昆明市核桃种质资源丰富，潜力巨大。外地品种在昆明种植受环境和土壤影响很大，本地优良种质资源又没有得到很好地发掘利用，良种短缺、苗木不好的问题正严重制约和影响着昆明市核桃产业的健康、可持续、快速发展，这已成为昆明市核桃产业发展的当务之急。根据昆明市的自然地理现状，优选工作人员深入昆明主要种植核桃的县（市）区实地调查，通过各乡镇农户的荐优，调查比较选出初选优株，并对初选优株进行了适应性试验，最终比较选出优良单株，以期促进昆明市核桃产业健康发展。 

Development Status Quo and Countermeasures on Optimization of Walnut Varieties in Kunming City

Walnut in Yunnan province is an important economic tree species.Speeding up development of walnut industry is an important part of construction of ‘a green economy strong province’ and new socialist countryside.Walnut germplasm is rich in Kunming city，and potential is huge.Foreign varieties planted in Kunming are highly affected by environment and soil.Excellent germplasm resources in local has not been explored and utilized well.Shortage of seed and seedling seriously restricted and affected the health，sustainable，rapid development of walnut industry，which has become a pressing matter of the moment for development of walnut industry in Kunming city.According to natural and geographical status of Kunming city，optimizing staff went deep into main planting walnut county （city） area in Kunming city for on-the-spot investigation.Through recommendation of township farmers，primary beads were chosen based on investigation and comparison.Adaptive test on primary beads were taken to find good single plant eventually.It is in order to promote healthy development of walnut industry in Kunming city.