元丰等核桃品种在鄂北的引种试验

Breeding and introduction in northern Hubei of Yuanfeng walnut etc

为了在鄂北广大低山丘陵地区发展核桃产业,引进元丰等核桃品种,经过4年的早期筛选和8年的区域性试验,综合比较了各品种适应性、坚果品质、丰产性、抗性等指标。结果表明:元丰、晋龙3号、辽核4号等3个品种在鄂北低山丘陵地区表现出很好的适应性,其丰产指标超过对照和其他参试品种;坚果品质达到国家标准,部分指标达到国家特级标准;具有很好的抗旱能力和耐土壤贫瘠,未发现严重病虫害,适合在该地区大力推广。

In order to develop walnut industry in majority of low mountain and hilly area of northern Hubei, such walnut varieties as Yuanfeng are introduced. After 4 years of early screening and 8 years of regional test, a comprehensive comparison of adaptability, nut quality, yield, resistance index of each variety are made. The results indicate that Yuanfeng, Jinlong No.3 and Liaohe No.4 show good adaptability in the hilly areas in North Hubei, its high yield index exceed the control and other varieties; nut quality reach the national standard, some indexes have reached the national class standards. Besides, these three varieties have good drought resistance and barren soil resistance and they are found no serious pest, they＇re suitable for popularization in the area.