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于2010-2012年对云南省昭通市、红河州核桃种植区的倒春寒的晚霜危害地区进行避晚霜核桃优树调查和选择,经过3a对初选优树的避晚霜性、丰产性、核果品质、抗病虫害的稳定性和优良性选择,共决选出58株优树,其中昭通市46株,红河州12株。并对决选优树的基本情况和果、仁性状进行了统计分析。
In 2010-2012, we investigated and selected the best walnut trees without frost in the frostbite area in the late spring in Walnut planting area of Zhaotong City and Honghe Prefecture in Yunnan Province. After 3 years’ preliminary study on the excellent frost-resistance, high yield, quality of drupe, Pest resistance and stability of the choice of good, a total of 58 trees were selected, of which 46 were in Zhaotong City, Honghe Prefecture 12 strains. The statistical analysis of the basic situation and fruit and kernel traits of the optimal tree was conducted.