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采用６０Ｃｏγ射线２５０Ｇｙ辐照美国兰娜花生干种子，已育成几个农艺性状和品质均符合要求的新品系。对这些品系的主要农艺性状和荚果产量所作灰色关联分析表明：单株生产力、出米率、百仁重等性状和产量的关联度较高，而主茎高、总分枝数等则较低，可作为兰娜改良花生育种性状选择的参考依据。
Irradiation of dry seeds of American Rana peanuts with 60Gy gamma rays at 250Gy has resulted in the development of several new lines that meet the requirements of agronomic traits and qualities. Gray correlation analysis on the main agronomic traits and pod yield of these lines showed that there was a high degree of correlation between single plant productivity, rice yield, 100 kernel weight and yield, while the main stem height and the total number of branches were lower , Can be used as a reference to improve the selection of traits of Lanna breeding peanut.