为掌握安农1号～5号美国山核桃优良品种的特性,并对其规模化栽培提供理论依据,在合肥农业示范园区,对5个美国山核桃优良品种的经济性状进行了调查测定,系统地总结出5个品种的树体特征、生长结实习性、果实性状等特性.观测结果表明,5个优良品种果实大,种仁饱满,种皮及果皮较薄,出仁率均在40％以上,单果质量平均达7.61 g.5个优良品种的种仁经济性状表现优良,种仁油酸含量均超过70％,仁油率均在40％以上.%In order to learn characters of the fine varieties of Annong No.1-No.5 Carya illinoensis,and to provide a theoretical basis for large-scale cultivation,the economic characters of the five superior varieties of C.illinoensis were investigated and determined in agricultural demonstration park of Hefei,and tree characteristics,growth and fruiting habits,nut characters and other characters of the five varieties were systematically summed up.The results of observation and determination show that the fine varieties have big nuts,full kernels,thin seed coats and peels,their kernel percentage are more than 40％,and their average masses of single nuts are up to 7.61 g.The kernel economic characters of the fine varieties are excellent,the contents of oleic acid in kernels are more than 70％,and oil contents in kernels are more than 40％.
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